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L78L
Positive voltage regulators
Datasheet - production data
Description
The L78L series of three-terminal positive
regulators employ internal current limiting and
thermal shutdown, making them essentially
indestructible. If adequate heat-sink is provided,
they can deliver up to 100 mA output current.
They are intended as fixed voltage regulators in a
wide range of applications including local or oncard regulation for elimination of noise and
distribution problems associated with single-point
regulation. In addition, they can be used with
power pass elements to make high-current
voltage regulators. The L78L series used as
Zener diode/resistor combination replacement,
offers e improvement along with lower quiescent
current and lower noise.
Features
Output current up to 100 mA
Output voltages of 3.3; 5; 6; 8; 9; 10; 12; 15;
18; 24 V thermal overload protection
Short-circuit protection
No external components are required
Available in either ± 4% (A) or ± 8% (C)
selection
June 2016
DocID2145 Rev 26
This is information on a product in full production.
1/45
www.st.com
Contents
L78L
Contents
1
Diagram ............................................................................................ 3
2
Pin configuration ............................................................................. 4
3
Maximum ratings ............................................................................. 5
4
5
Electrical characteristics ................................................................ 6
Typical performance ..................................................................... 25
6
Typical application ........................................................................ 27
7
Package information ..................................................................... 29
7.1
TO-92 package information ............................................................. 29
7.2
TO-92 packing information .............................................................. 30
7.3
TO-92 Ammopak packing information ............................................. 32
7.4
SO-8 package information .............................................................. 34
7.5
SO-8 packing information ................................................................ 36
7.6
SOT-89 package information .......................................................... 37
7.7
SOT-89 packing information............................................................ 40
8
Ordering information..................................................................... 41
9
Revision history ............................................................................ 44
2/45
DocID2145 Rev 26
L78L
1
Diagram
Diagram
Figure 1: Schematic diagram
DocID2145 Rev 26
3/45
Pin configuration
2
L78L
Pin configuration
Figure 2: Pin connection (top view, bottom view for TO-92)
Figure 3: Test circuits
4/45
DocID2145 Rev 26
L78L
3
Maximum ratings
Maximum ratings
Table 1: Absolute maximum ratings
Symbol
Parameter
Value
VO = 3.3 to 9 V
IO
PD
DC Input voltage
30
VO = 12 to 15 V
35
VO = 18 to 24 V
VI
Unit
40
Output current
V
100
mA
Internally limited
Power dissipation
TSTG
Storage temperature range
-65 to 150
TOP
Operating junction temperature range
for L78LxxAC / L78LxxC
0 to 125
for L78LxxAB
-40 to 125
(1)
mW
°C
°C
Notes:
(1)Our
SO-8 package used for voltage regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the die
attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipate power
when an appropriate area of copper on the printed circuit board is available for heat-sinking. The external dimensions are the
same as for the standard SO-8.
Table 2: Thermal data
Symbol
RthJC
RthJA
Parameter
Thermal resistance junction-case (max)
Thermal resistance junction-ambient (max)
SO-8
TO-92
55
(1)
200
Unit
15
20
SOT-89
°C/W
55
(1)
°C/W
Notes:
(1)
Considering 6 cm² of copper Board heat-sink.
DocID2145 Rev 26
5/45
Electrical characteristics
4
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 8.3 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 3: Electrical characteristics of L78L33C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
3.036
3.3
3.564
V
IO = 1 to 40 mA, VI = 5.3 to 20 V
2.97
3.63
IO = 1 to 70 mA, VI = 8.3 V
2.97
3.63
VI = 5.4 to 20 V, TJ = 25 °C
150
VI = 6.3 to 20 V, TJ = 25 °C
100
IO = 1 to 100 mA, TJ = 25 °C
60
IO = 1 to 40 mA, TJ = 25 °C
30
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.2
VI = 6.3 to 20 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 6.3 to 16.3 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
6/45
V
mV
mV
mA
DocID2145 Rev 26
41
µV
49
dB
2
Dropout voltage
40
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 4: Electrical characteristics of L78L05C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
4.6
5
5.4
V
IO = 1 to 40 mA, VI = 7 to 20 V
4.5
5.5
IO = 1 to 70 mA, VI = 10 V
4.5
5.5
VI = 8.5 to 20 V, TJ = 25 °C
200
VI = 9 to 20 V, TJ = 25 °C
150
IO = 1 to 100 mA, TJ = 25 °C
60
IO = 1 to 40 mA, TJ = 25 °C
30
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.2
VI = 8 to 20 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 9 to 20 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
40
µV
49
dB
2
Dropout voltage
40
V
7/45
Electrical characteristics
L78L
Refer to the test circuits, TJ = 0 to 125 °C,VI = 14 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 5: Electrical characteristics of L78L08C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
7.36
8
8.64
V
IO = 1 to 40 mA, VI = 8.5 to 20 V
7.2
8.8
IO = 1 to 70 mA, VI = 12 V
7.2
8.8
VI = 10.5 to 20 V, TJ = 25 °C
200
VI = 11 to 20 V, TJ = 25 °C
150
IO = 1 to 100 mA, TJ = 25 °C
80
IO = 1 to 40 mA, TJ = 25 °C
40
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.2
VI = 8 to 20 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 9 to 20 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
8/45
V
mV
mV
mA
DocID2145 Rev 26
36
µV
45
dB
1.7
Dropout voltage
60
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 15 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 6: Electrical characteristics of L78L09C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
8.28
9
9.72
V
IO = 1 to 40 mA, VI = 11.5 to 23 V
8.1
9.9
IO = 1 to 70 mA, VI = 15 V
8.1
9.9
VI = 11.5 to 23 V, TJ = 25 °C
250
VI = 12 to 23 V, TJ = 25 °C
200
IO = 1 to 100 mA, TJ = 25 °C
80
IO = 1 to 40 mA, TJ = 25 °C
40
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.2
VI = 12 to 23 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 12 to 23 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
36
µV
44
dB
1.7
Dropout voltage
70
V
9/45
Electrical characteristics
L78L
Refer to the test circuits, TJ = 0 to 125 °C, VI = 16 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 7: Electrical characteristics of L78L10C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
TJ = 25 °C
Min.
Typ.
Max.
Unit
9.2
10
10.8
V
IO = 1 to 40 mA, VI = 12.5 to 23 V
9
11
IO = 1 to 70 mA, VI = 16 V
9
11
VI = 12.5 to 23 V, TJ = 25 °C
230
VI = 13 to 23 V, TJ = 25 °C
170
IO = 1 to 100 mA, TJ = 25 °C
80
IO = 1 to 40 mA, TJ = 25 °C
40
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.1
VI = 13 to 23 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 14 to 23 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
10/45
V
mV
mV
mA
DocID2145 Rev 26
37
µV
45
dB
1.7
Dropout voltage
60
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 8: Electrical characteristics of L78L12C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
11.1
12
12.9
V
IO = 1 to 40 mA, VI = 14.5 to 27 V
10.8
13.2
IO = 1 to 70 mA, VI = 19 V
10.8
13.2
VI = 14.5 to 27 V, TJ = 25 °C
250
VI = 16 to 27 V, TJ = 25 °C
200
IO = 1 to 100 mA, TJ = 25 °C
100
IO = 1 to 40 mA, TJ = 25 °C
50
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.2
VI = 16 to 27 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 15 to 25 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
36
µV
42
dB
1.7
Dropout voltage
80
V
11/45
Electrical characteristics
L78L
Refer to the test circuits, TJ = 0 to 125 °C, VI = 23 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified
Table 9: Electrical characteristics of L78L15C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
13.8
15
16.2
V
IO = 1 to 40 mA, VI = 17.5 to 30 V
13.5
16.5
IO = 1 to 70 mA, VI = 23 V
13.5
16.5
VI = 17.5 to 30 V, TJ = 25 °C
300
VI = 20 to 30 V, TJ = 25 °C
250
IO = 1 to 100 mA, TJ = 25 °C
150
IO = 1 to 40 mA, TJ = 25 °C
75
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.2
VI = 20 to 30 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 18.5 to 28.5 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
12/45
V
mV
mV
mA
DocID2145 Rev 26
33
µV
39
dB
1.7
Dropout voltage
90
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, VI = 27 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 10: Electrical characteristics of L78L18C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
16.6
18
19.4
V
IO = 1 to 40 mA, VI = 22 to 33 V
16.2
19.8
IO = 1 to 70 mA, VI = 27 V
16.2
19.8
VI = 22 to 33 V, TJ = 25 °C
320
VI = 22 to 33 V, TJ = 25 °C
270
IO = 1 to 100 mA, TJ = 25 °C
170
IO = 1 to 40 mA, TJ = 25 °C
85
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.2
VI = 23 to 33 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 23 to 33 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
32
µV
38
dB
1.7
Dropout voltage
120
V
13/45
Electrical characteristics
L78L
Refer to the test circuits, TJ = 0 to 125 °C, VI = 33 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF
unless otherwise specified.
Table 11: Electrical characteristics of L78L24C
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
22.1
24
25.9
V
IO = 1 to 40 mA, VI = 27 to 38 V
21.6
26.4
IO = 1 to 70 mA, VI = 33 V
21.6
26.4
VI = 27 to 38 V, TJ = 25 °C
350
VI = 28 to 38 V, TJ = 25 °C
300
IO = 1 to 100 mA, TJ = 25 °C
200
IO = 1 to 40 mA, TJ = 25 °C
100
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.2
VI = 28 to 38 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 29 to 35 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
14/45
V
mV
mV
mA
DocID2145 Rev 26
30
µV
37
dB
1.7
Dropout voltage
200
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 8.3 V,
IO = 40mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 12: Electrical characteristics of L78L33AB and L78L33AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
3.168
3.3
3.432
V
IO = 1 to 40 mA, VI = 5.3 to 20 V
3.135
3.465
IO = 1 to 70 mA, VI = 8.3 V
3.135
3.465
VI = 5.4 to 20 V, TJ = 25 °C
150
VI = 6.3 to 20 V, TJ = 25 °C
100
IO = 1 to 100 mA, TJ = 25 °C
60
IO = 1 to 40 mA, TJ = 25 °C
30
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.1
VI = 6.3 to 20 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 6.3 to 16.3 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
41
µV
49
dB
2
Dropout voltage
40
V
15/45
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI = 10 V,
L78L
IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 13: Electrical characteristics of L78L05AB and L78L05AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
4.8
5
5.2
V
IO = 1 to 40 mA, VI = 7 to 20 V
4.75
5.25
IO = 1 to 70 mA, VI = 10 V
4.75
5.25
VI = 7.3 to 20 V, TJ = 25 °C
150
VI = 8 to 20 V, TJ = 25 °C
100
IO = 1 to 100 mA, TJ = 25 °C
60
IO = 1 to 40 mA, TJ = 25 °C
30
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.1
VI = 8 to 20 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 8 to 18 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
16/45
V
mV
mV
mA
DocID2145 Rev 26
41
µV
49
dB
2
Dropout voltage
40
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI = 12 V,
IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 14: Electrical characteristics of L78L06AB and L78L06AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
5.76
6
6.24
V
IO = 1 to 40 mA, VI = 8.5 to 20 V
5.7
6.3
IO = 1 to 70 mA, VI = 12 V
5.7
6.3
VI = 8.5 to 20 V, TJ = 25 °C
150
VI = 9 to 20 V, TJ = 25 °C
100
IO = 1 to 100 mA, TJ = 25 °C
60
IO = 1 to 40 mA, TJ = 25 °C
30
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.1
VI = 9 to 20 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 9 to 20 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
39
µV
46
dB
1.7
Dropout voltage
50
V
17/45
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI = 14 V,
L78L
IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 15: Electrical characteristics of L78L08AB and L78L08AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
7.68
8
8.32
V
IO = 1 to 40 mA, VI = 10.5 to 23 V
7.6
8.4
IO = 1 to 70 mA, VI = 14 V
7.6
8.4
VI = 10.5 to 23 V, TJ = 25 °C
175
VI = 11 to 23 V, TJ = 25 °C
125
IO = 1 to 100 mA, TJ = 25 °C
80
IO = 1 to 40 mA, TJ = 25 °C
40
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.1
VI = 11 to 23 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 12 to 23 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
18/45
V
mV
mV
mA
DocID2145 Rev 26
37
µV
45
dB
1.7
Dropout voltage
60
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI =15 V,
IO= 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 16: Electrical characteristics of L78L09AB and L78L09AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
8.64
9
9.36
V
IO = 1 to 40 mA, VI = 11.5 to 23 V
8.55
9.45
IO = 1 to 70 mA, VI = 15 V
8.55
9.45
VI = 11.5 to 23 V, TJ = 25 °C
225
VI = 12 to 23 V, TJ = 25 °C
150
IO = 1 to 100 mA, TJ = 25 °C
80
IO = 1 to 40 mA, TJ = 25 °C
40
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.1
VI = 12 to 23 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 12 to 23 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
37
µV
44
dB
1.7
Dropout voltage
70
V
19/45
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI= 16 V,
L78L
IO = 40mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 17: Electrical characteristics of L78L10AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
9.6
10
10.4
V
IO = 1 to 40 mA, VI = 12.5 to 23 V
9.5
10.5
IO = 1 to 70 mA, VI = 16 V
9.5
10.5
VI = 12.5 to 23 V, TJ = 25 °C
230
VI = 13 to 23 V, TJ = 25 °C
170
IO = 1 to 100 mA, TJ = 25 °C
80
IO = 1 to 40 mA, TJ = 25 °C
40
TJ = 25 °C
6
mA
TJ = 125 °C
5.5
mA
IO = 1 to 40 mA
0.1
VI = 13 to 23 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 14 to 23 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
20/45
V
mV
mV
mA
DocID2145 Rev 26
37
µV
45
dB
1.7
Dropout voltage
60
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI =19 V,
IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 18: Electrical characteristics of L78L12AB and L78L12AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
11.5
12
12.5
V
IO = 1 to 40 mA, VI = 14.5 to 27 V
11.4
12.6
IO = 1 to 70 mA, VI = 19 V
11.4
12.6
VI = 14.5 to 27 V, TJ = 25 °C
250
VI = 16 to 27 V, TJ = 25 °C
200
IO = 1 to 100 mA, TJ = 25 °C
100
IO = 1 to 40 mA, TJ = 25 °C
50
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.1
VI = 16 to 27 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 15 to 25 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
37
µV
42
dB
1.7
Dropout voltage
80
V
21/45
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 23 V,
L78L
IO= 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 19: Electrical characteristics of L78L15AB and L78L15AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
14.4
15
15.6
V
IO = 1 to 40 mA, VI = 17.5 to 30 V
14.25
15.75
IO = 1 to 70 mA, VI = 23 V
14.25
15.75
VI = 17.5 to 30 V, TJ = 25 °C
300
VI = 20 to 30 V, TJ = 25 °C
250
IO = 1 to 100 mA, TJ = 25 °C
150
IO = 1 to 40 mA, TJ = 25 °C
75
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.1
VI = 20 to 30 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 18.5 to 28.5 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
22/45
V
mV
mV
mA
DocID2145 Rev 26
34
µV
39
dB
1.7
Dropout voltage
90
V
L78L
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 27 V,
IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 20: Electrical characteristics of L78L18AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
Min.
Typ.
Max.
Unit
TJ = 25 °C
17.3
18
18.7
V
IO = 1 to 40 mA, VI = 22 to 33 V
17.1
18.9
IO = 1 to 70 mA, VI = 27 V
17.1
18.9
VI = 22 to 33 V, TJ = 25 °C
320
VI = 22 to 33 V, TJ = 25 °C
270
IO = 1 to 100 mA, TJ = 25 °C
170
IO = 1 to 40 mA, TJ = 25 °C
85
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.1
VI = 23 to 33 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 23 to 33 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
V
mV
mV
mA
DocID2145 Rev 26
33
µV
38
dB
1.7
Dropout voltage
120
V
23/45
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),VI = 33 V,
L78L
IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 21: Electrical characteristics of L78L24AB and L78L24AC
Symbol
Parameter
VO
Output voltage
VO
Output voltage
∆VO
Line regulation
∆VO
Load regulation
Id
Quiescent current
Test conditions
TJ = 25 °C
Min.
Typ.
Max.
Unit
23
24
25
V
IO = 1 to 40 mA, VI = 27 to 38 V
22.8
25.2
IO = 1 to 70 mA, VI = 33 V
22.8
25.2
VI = 27 to 38 V, TJ = 25 °C
350
VI = 28 to 38 V, TJ = 25 °C
300
IO = 1 to 100 mA, TJ = 25 °C
200
IO = 1 to 40 mA, TJ = 25 °C
100
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
IO = 1 to 40 mA
0.1
VI = 28 to 38 V
1.5
∆Id
Quiescent current change
eN
Output noise voltage
B = 10 Hz to 100 kHz, TJ = 25 °C
Supply voltage rejection
VI = 29 to 33 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
SVR
Vd
24/45
V
mV
mV
mA
DocID2145 Rev 26
31
µV5y
37
dB
1.7
Dropout voltage
200
V
L78L
5
Typical performance
Typical performance
Figure 4: L78L05/12 output voltage vs. ambient
temperature
Figure 5: L78L05/12/24 load characteristics
Figure 6: L78L05/12/24 thermal shutdown
Figure 7: L78L05/12 quiescent current vs. output
current
DocID2145 Rev 26
25/45
Typical performance
L78L
Figure 8: L78L05 quiescent current vs. input voltage
Figure 9: L78L05/12/24 output characteristics
Figure 10: L78L05/12/24 ripple rejection
Figure 11: L78L05 dropout characteristics
Figure 12: L78L short-circuit output current
26/45
DocID2145 Rev 26
L78L
6
Typical application
Typical application
Figure 13: High output current short-circuit protected
Figure 14: Outuput boost circuit
Figure 15: Current regulator
DocID2145 Rev 26
27/45
Typical application
L78L
Figure 16: Adjustable output regulator
28/45
DocID2145 Rev 26
L78L
7
Package information
Package information
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK® packages, depending on their level of environmental compliance. ECOPACK ®
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK® is an ST trademark.
7.1
TO-92 package information
Figure 17: TO-92 package outline
Table 22: TO-92 mechanical data
mm
Dim.
Min.
Typ.
Max.
A
4.32
4.95
b
0.36
0.51
D
4.45
4.95
E
3.30
3.94
e
2.41
2.67
e1
1.14
1.40
L
12.70
15.49
R
2.16
2.41
S1
0.92
1.52
W
0.41
0.56
V
5°
DocID2145 Rev 26
29/45
Package information
7.2
L78L
TO-92 packing information
Figure 18: TO-92 tape and reel outline
30/45
DocID2145 Rev 26
L78L
Package information
Table 23: TO-92 tape and reel mechanical data
mm
Dim.
Min.
Typ.
Max.
A1
4.80
T
3.80
T1
1.60
T2
2.30
d
0.45
0.47
0.48
P0
12.50
12.70
12.90
P2
5.65
6.35
7.05
F1, F2
2.40
2.50
2.94
F3
4.98
5.08
5.48
delta H
-2.00
W
17.50
18.00
19.00
W0
5.5
6.00
6.5
W1
8.50
9.00
9.25
2.00
W2
0.50
H
18.50
21
H3
0.5
1
2
H0
15.50
16.00
18.8
25.0
27.0
4.00
4.20
H1
D0
3.80
t
0.90
L
11.00
I1
3.00
delta P
-1.00
Ø1
352
355
358
Ø2
28
30
32
u
44
47
50
DocID2145 Rev 26
1.00
31/45
Package information
7.3
L78L
TO-92 Ammopak packing information
Figure 19: TO-92 Ammopak tape and reel outline
32/45
DocID2145 Rev 26
L78L
Package information
Table 24: TO-92 Ammopak tape and reel mechanical data
mm
Dim.
Min.
Typ.
Max.
A1
4.80
T
3.80
T1
1.60
T2
2.30
d
0.45
0.47
0.48
P0
12.50
12.70
12.90
P2
5.65
6.35
7.05
F1, F2
2.40
2.50
2.94
F3
4.98
5.08
5.48
delta H
-2.00
W
17.50
18.00
19.00
W0
5.5
6.00
6.5
W1
8.50
9.00
9.25
2.00
W2
0.50
H
18.50
21
H3
0.5
1
2
H0
15.50
16.00
18.8
25.0
27.0
4.00
4.20
H1
D0
3.80
t
0.90
L
11.00
I1
3.00
delta P
-1.00
DocID2145 Rev 26
1.00
33/45
Package information
7.4
L78L
SO-8 package information
Figure 20: SO-8 package outline
34/45
DocID2145 Rev 26
L78L
Package information
Table 25: SO-8 mechanical data
mm
Dim.
Min.
Typ.
A
Max.
1.75
A1
0.10
0.25
A2
1.25
b
0.31
0.51
b1
0.28
0.48
c
0.10
0.25
c1
0.10
0.23
D
4.80
4.90
5.00
E
5.80
6.00
6.20
E1
3.80
3.90
4.00
e
1.27
h
0.25
0.50
L
0.40
1.27
L1
1.04
L2
0.25
k
0°
ccc
8°
0.10
Figure 21: SO-8 recommended footprint (dimensions are in mm)
DocID2145 Rev 26
35/45
Package information
7.5
L78L
SO-8 packing information
Figure 22: SO-8 tape and reel dimensions
Table 26: SO-8 tape and reel mechanical data
Dim.
mm
Min.
A
Typ.
Max.
330
C
12.8
D
20.2
N
60
T
13.2
22.4
Ao
8.5
Bo
5.5
5.9
Ko
2.1
2.3
Po
3.9
4.1
P
36/45
8.1
7.9
8.1
DocID2145 Rev 26
L78L
7.6
Package information
SOT-89 package information
Figure 23: SOT-89 package outline
DocID2145 Rev 26
37/45
Package information
L78L
Table 27: SOT-89 mechanical data
mm
Dim.
Min.
Typ.
Max.
A
1.40
1.60
B
0.44
0.56
B1
0.36
0.48
C
0.35
0.44
C1
0.35
0.44
D
4.40
4.60
D1
1.62
1.83
D3
0.90
E
2.29
2.60
e
1.42
1.57
e1
2.92
3.07
H
3.94
4.25
H1
2.70
3.10
K
1°
8°
L
0.89
120
R
β
38/45
0.25
90°
DocID2145 Rev 26
L78L
Package information
Figure 24: SOT-89 recommended footprint
DocID2145 Rev 26
39/45
Package information
7.7
L78L
SOT-89 packing information
Figure 25: SOT-89 carrier tape outline
Table 28: SOT-89 carrier tape mechanical data
mm
Dim.
Value
Tolerance
Ao
4.91
± 0.10
Bo
4.52
± 0.10
Ko
1.90
± 0.10
F
5.50
± 0.10
E
1.75
± 0.10
W
± 0.30
2
± 0.10
Po
4
± 0.10
P1
8
± 0.10
T
0.30
± 0.10
D
Ø 1.55
± 0.05
D1
40/45
12
P2
Ø 1.60
± 0.10
DocID2145 Rev 26
L78L
Ordering information
8
Ordering information
Table 29: Order codes
Part numbers
SO-8
TO-92 (Bag) (1)
L78L33ABD-TR
L78L33ACD13TR
TO-92
(ammopack)
TO-92
L78L33ACZ-AP
L78L33ACZTR
SOT-89
(V)
L78L33ABUTR
(tape and reel)
L78L33ABZ-AP
L78L33ACZ
Output
voltages
3.3
L78L33ACUTR
3.3
L78L33CD-TR
3.3
L78L05ABD13TR
L78L05ABZ
L78L05ABZ-AP
L78L05ABZ-TR
L78L05ABUTR
5
L78L05ACD13TR
L78L05ACZ
L78L05ACZ-AP
L78L05ACZTR
L78L05ACUTR
5
L78L05CD13TR
L78L05CZ
5
L78L06ABZ
L78L06ABUTR
L78L08ABD13TR
L78L08ACD13TR
6
L78L06ACUTR
L78L06ACD13TR
6
L78L08ABZ-AP
L78L08ACZ
L78L08ABZTR
L78L08ABUTR
8
L78L08ACZ-AP
L78L08ACZTR
L78L08ACUTR
8
L78L08CD13TR
L78L09ABD13TR
8
L78L09ABZ
L78L09ACD13TR
L78L09ABUTR
L78L09ACZ-AP
L78L09ACZ-TR
9
L78L09ACUTR
9
L78L09CD13TR
9
L78L10ACUTR
L78L12ABD-TR
L78L12ABZ
L78L12ACD13TR
L78L12ACZ
L78L12ACZ-AP
L78L12ACZ-TR
10
L78L12ABUTR
L78L12ABZ-AP
12
L78L12ACUTR
12
L78L12CD13TR
12
L78L15ABZ-AP
L78L15ACD13TR
L78L15ABUTR
L78L15ACUTR
L78L15ACZ
15
15
L78L15CD-TR
15
L78L18ACUTR
L78L18CD13TR
18
18
L78L24ABZ-TR
24
L78L24ACZ-AP
L78L24CD-TR
L78L24ACUTR
24
24
Notes:
(1)Available
in Ammopak with the suffix " -AP " or in tape and reel with the suffix " TR " . Please note that in these cases pins are
shaped according to tape and reel specifications.
DocID2145 Rev 26
41/45
Ordering information
L78L
Table 30: Marking information
Part numbers
Marking
Packages
Output voltages
L78L05ABD13TR
78L05B
SO-8
5V
L78L05ABUTR
8C
SOT-89
5V
L78L05ABZ
L78L05A
TO-92
5V
L78L05ABZ-AP
L78L05A
TO-92
5V
L78L05ABZ-TR
L78L05A
TO-92
5V
L78L05ACD13TR
78L05A
SO-8
5V
L78L05ACUTR
8C
SOT-89
5V
L78L05ACZ
L78L05A
TO-92
5V
L78L05ACZ-AP
L78L05A
TO-92
5V
L78L05ACZTR
L78L05A
TO-92
5V
L78L05CD13TR
78L05
SO-8
5V
L78L05CZ
L78L05A
TO-92
5V
L78L06ABUTR
8E
SOT-89
6V
L78L06ABZ
L78L06A
TO-92
6V
L78L06ACD13TR
L78L06A
SO-8
6V
L78L06ACUTR
8E
SOT-89
6V
L78L08ABD13TR
78L08B
SO-8
8V
L78L08ABUTR
8G
SOT-89
8V
L78L08ABZ-AP
L78L08A
TO-92
8V
L78L08ABZTR
L78L08A
TO-92
8V
L78L08ACD13TR
78L08A
SO-8
8V
L78L08ACUTR
8G
SOT-89
8V
L78L08ACZ
L78L08A
TO-92
8V
L78L08ACZ-AP
L78L08A
TO-92
8V
L78L08ACZTR
L78L08A
TO-92
8V
L78L08CD13TR
78L08
SO-8
8V
L78L09ABD13TR
78L09B
SO-8
8V
L78L09ABZ
TO-92
9V
8H
SOT-89
9V
L78L09ACD13TR
78L09A
SO8
9V
L78L09ACUTR
8H
SOT-89
9V
L78L09ACZ-AP
L78L09A
TO-92
9V
L78L09ACZ-TR
L78L09A
TO-92
9V
L78L09CD13TR
L78L09A
SO-8
9V
L78L10ACUTR
8I
SOT-89
10 V
L78L12ABD-TR
78L12B
SO-8
12 V
L78L12ABUTR
8K
SOT-89
12 V
L78L12ABZ
L78L12A
TO-92
12 V
L78L12ABZ-AP
42/45
L78L09A
L78L09ABUTR
L78L12A
TO 92
12 V
DocID2145 Rev 26
L78L
Ordering information
Part numbers
Marking
Packages
Output voltages
L78L12ACD13TR
78L12A
SO-8
12 V
L78L12ACUTR
8K
SOT-89
12 V
L78L12ACZ
L78L12A
TO-92
12 V
L78L12ACZ-AP
L78L12A
TO-92
12 V
L78L12ACZ-TR
L78L12A
TO-92
12 V
L78L12CD13TR
78L12
SO-8
12 V
L78L15ABUTR
8L
SOT-89
15 V
L78L15ABZ-AP
L78L15A
TO-92
15 V
L78L15ACD13TR
78L15A
SO-8
15 V
L78L15ACUTR
8L
SOT-89
15 V
L78L15ACZ
L78L15A
TO-92
15 V
L78L15CD-TR
78L15
SO-8
15 V
L78L18ACUTR
8B
SOT-89
18 V
L78L18CD13TR
L78L18
SO-8
18 V
L78L24ABZ-TR
L78L24A
TO-92
24 V
L78L24ACUTR
8P
SOT-89
24 V
L78L24ACZ-AP
L78L24A
TO-92
24 V
L78L24CD-TR
78L24
SO-8
24 V
L78L33ABD-TR
78L33B
SO-8
3.3 V
L78L33ABUTR
8A
SOT-89
3.3 V
L78L33ABZ-AP
L78L33A
TO-92
3.3 V
L78L33ACD13TR
78L33A
SO-8
3.3 V
L78L33ACUTR
8A
SOT-89
3.3 V
L78L33ACZ
L78L33A
TO-92
3.3 V
L78L33ACZ-AP
L78L33A
TO-92
3.3 V
L78L33ACZTR
L78L33A
TO-92
3.3 V
DocID2145 Rev 26
43/45
Revision history
9
L78L
Revision history
Table 31: Document revision history
Date
Revision
Changes
14-Mar-2005
9
Add tape and reel for TO-92.
15-Mar-2005
10
Add note on Table 3.
23-Dec-2005
11
Mistake on ordering Table in header.
12-Sep-2006
12
Order codes updated.
07-Jun-2007
13
Order codes updated.
18-Sep-2007
14
Added Table 1 in cover page.
15-Jul-2008
15
Modified: Table 1 and Table 28: Order codes.
18-Aug-2008
16
Modified Figure 12 on page 26.
03-Apr-2009
17
Added: RthJA value for SOT-89 Table 2 on page 5.
08-Feb-2011
18
Added note Table 26 on page 39
21-Feb-2012
19
Modified: SOT-89 Figure 2 on page 4.
14-Aug-2012
20
Updated TOP value for L78L00AC in Table 1 on page 5.
Minor text changes.
07-Sep-2012
21
Added: Table 29: Marking information.
14-Apr-2014
22
Part numbers L78LxxAB, L78LxxAC, L78LxxC changed to L78L.
Removed Table1: Device summary.
Updated features and description in cover page, Table 28: Order
codes, Table 29: Marking information and Section 7: Package
information.
Added Section: Packing mechanical data.
Minor text changes.
06-Oct-2014
23
Updated Table 28: Order codes and Table 29: Marking information.
Minor text changes.
10-Feb-2015
24
Updated Table 29: Marking information.
Minor text changes.
10-Feb-2016
25
Updated Table 29: Marking information and Section 7.7: SOT-89
packing information.
Minor text changes.
21-Jun-2016
26
Changed test condition values for the parameter " Line regulation "
and the typical value for the parameter " Dropout voltage " in : Table
3: " Electrical characteristics of L78L33C " , Table 4: " Electrical
characteristics of L78L05C " , Table 12: " Electrical characteristics of
L78L33AB and L78L33AC " and Table 13: " Electrical characteristics
of L78L05AB and L78L05AC " .
Minor text changes.
44/45
DocID2145 Rev 26
L78L
IMPORTANT NOTICE – PLEASE READ CAREFULLY
STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and
improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST
products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order
acknowledgement.
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