STMicroelectronics L78L10ACUTR Positive voltage regulator Datasheet

L78LxxAB,
L78LxxAC, L78LxxC
Positive voltage regulators
Datasheet — production data
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% (AC) or ± 8% (C)
selection
TO-92
Description
SO-8
The L78Lxx 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 L78Lxx series used as
Zener diode/resistor combination replacement,
offers an effective output impedance improvement
Table 1.
SOT-89
of typically two orders of magnitude, along with
lower quiescent current and lower noise.
Device summary
Part numbers
L78L33C
L78L08AC
L78L15C
L78L33AC
L78L08AB
L78L15AC
L78L33AB
L78L09C
L78L15AB
L78L05C
L78L09AC
L78L18C
L78L05AC
L78L09AB
L78L18AC
L78L05AB
L78L10AC
L78L24C
L78L06AC
L78L12C
L78L24AC
L78L06AB
L78L12AC
L78L24AB
L78L08C
L78L12AB
September 2012
This is information on a product in full production.
Doc ID 2145 Rev 21
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www.st.com
33
Contents
L78LxxAB, L78LxxAC, L78LxxC
Contents
1
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5
Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6
Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
8
Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2/33
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
1
Diagram
Figure 1.
Schematic diagram
Diagram
Doc ID 2145 Rev 21
3/33
Pin configuration
L78LxxAB, L78LxxAC, L78LxxC
2
Pin configuration
Figure 2.
Pin connection (top view, bottom view for TO-92)
PIN 1 = VOUT
PIN 2 = GND
PIN 3 = VIN
SO-8
Figure 3.
4/33
SOT-89
Test circuits
Doc ID 2145 Rev 21
TO-92
L78LxxAB, L78LxxAC, L78LxxC
Maximum ratings
3
Maximum ratings
Table 2.
Absolute maximum ratings
Symbol
VI
IO
PD
Parameter
DC Input voltage
Value
VO= 3.3 to 9 V
30
VO= 12 to 15 V
35
VO= 18 to 24 V
40
Output current
Unit
V
100
Power dissipation
mA
Internally limited
TSTG
Storage temperature range
TOP
Operating junction temperature range
(1)
-65 to 150
for L78L00AC
0 to 125
for L78L00AB
-40 to 125
mW
°C
°C
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 3.
Symbol
RthJC
RthJA
1.
Thermal data
Parameter
SO-8
Thermal resistance junction-case. (max)
Thermal resistance junction-ambient. (max)
TO-92
20
55
(1)
200
SOT-89
Unit
15
°C/W
55
(1)
°C/W
Considering 6 cm² of copper Board heat-sink.
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Electrical characteristics
4
L78LxxAB, L78LxxAC, L78LxxC
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless
otherwise specified.
Table 4.
Symbol
Electrical characteristics of L78L33C (VI = 8.3 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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 = 5.3 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
ΔId
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
Table 5.
Symbol
mV
mA
41
40
µV
49
dB
1.7
V
Electrical characteristics of L78L05C (VI = 10 V)
Parameter
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
ΔId
Quiescent current change
eN
Output noise voltage
6/33
mV
Dropout voltage
VO
Id
V
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
V
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
B =10 Hz to 100 kHz, TJ = 25 °C
Doc ID 2145 Rev 21
mV
mV
mA
40
µV
L78LxxAB, L78LxxAC, L78LxxC
Table 5.
Symbol
SVR
Vd
Table 6.
Symbol
Electrical characteristics of L78L05C (VI = 10 V) (continued)
Parameter
Supply voltage rejection
Test conditions
VI = 9 to 20 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
dB
1.7
V
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
V
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
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
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
mV
mV
mA
36
Dropout voltage
60
µV
45
dB
1.7
V
Electrical characteristics of L78L09C (VI = 15 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
ΔId
49
Unit
Output noise voltage
Id
40
Max.
eN
Symbol
Unit
Typ.
Quiescent current change
Table 7.
Max.
Min.
ΔId
Vd
Typ.
Electrical characteristics of L78L08C (VI = 14 V)
Output voltage
SVR
Min.
Dropout voltage
VO
Id
Electrical characteristics
Quiescent current
Quiescent current change
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
V
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
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mV
mA
7/33
Electrical characteristics
Table 7.
Symbol
eN
SVR
Vd
Table 8.
Symbol
Electrical characteristics of L78L09C (VI = 15 V) (continued)
Parameter
Test conditions
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
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
TJ = 25 °C
dB
1.7
V
Min.
Typ.
Max.
Unit
9.2
10
10.8
V
9
11
V
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
B =10Hz to 100kHz, TJ = 25 °C
Supply voltage rejection
VI = 14 to 23 V, f = 120Hz
IO = 40 mA, TJ = 25 °C
mV
mV
mA
37
Dropout voltage
60
µV
45
dB
1.7
V
Electrical characteristics of L78L12C (VI = 19 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
8/33
44
IO = 1 to 70 mA, VI = 16 V
Output noise voltage
Id
µV
11
eN
Symbol
Unit
70
9
Quiescent current change
Table 9.
Max.
IO = 1 to 40 mA, VI = 12.5 to 23 V
ΔId
Vd
36
Typ.
Electrical characteristics of L78L10C (VI = 16 V)
Output voltage
SVR
Min.
Dropout voltage
VO
Id
L78LxxAB, L78LxxAC, L78LxxC
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
V
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
Doc ID 2145 Rev 21
mV
mV
L78LxxAB, L78LxxAC, L78LxxC
Table 9.
Electrical characteristics
Electrical characteristics of L78L12C (VI = 19 V) (continued)
Symbol
Parameter
ΔId
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
Table 10.
Symbol
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
0.2
VI = 16 to 27 V
1.5
Quiescent current
Test conditions
mA
36
80
µV
42
dB
1.7
V
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
V
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
mV
mV
IO = 1 to 40 mA
0.2
VI = 20 to 30 V
1.5
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
Symbol
Unit
Min.
ΔId
Table 11.
Max.
IO = 1 to 40 mA
Parameter
VO
Vd
Typ.
Electrical characteristics of L78L15C (VI = 23 V)
Output voltage
SVR
Min.
Dropout voltage
VO
Id
Test conditions
mA
33
Dropout voltage
90
µV
39
dB
1.7
V
Electrical characteristics of L78L18C (VI = 27 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
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
V
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
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mV
mV
9/33
Electrical characteristics
Table 11.
Symbol
Id
L78LxxAB, L78LxxAC, L78LxxC
Electrical characteristics of L78L18C (VI = 27 V) (continued)
Parameter
Quiescent current
Test conditions
Max.
Unit
TJ = 25 °C
6.5
mA
TJ = 125 °C
6
mA
0.2
VI = 23 to 33 V
1.5
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
Vd
Table 12.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
µV
38
dB
1.7
V
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
V
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
mV
mV
IO = 1 to 40 mA
0.2
VI = 28 to 38 V
1.5
ΔId
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
Vd
32
120
Electrical characteristics of L78L24C (VI = 33 V)
Output voltage
SVR
mA
Dropout voltage
VO
Id
Typ.
IO = 1 to 40 mA
ΔId
SVR
Min.
mA
30
Dropout voltage
200
µV
37
dB
1.7
V
TJ = 0 to 125 °C for L78L33AC, TJ = -40 to 125 °C for L78L33AB.
Table 13.
Symbol
Electrical characteristics of L78L33AB and L78L33AC (VI = 8.3 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
10/33
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
V
VI = 5.3 to 20 V, TJ = 25 °C
150
VI = 6.3 to 20 V, TJ = 25 °C
100
Doc ID 2145 Rev 21
mV
L78LxxAB, L78LxxAC, L78LxxC
Table 13.
Symbol
ΔVO
Id
Electrical characteristics
Electrical characteristics of L78L33AB and L78L33AC (VI = 8.3 V) (continued)
Parameter
Load regulation
Quiescent current
Test conditions
Max.
Unit
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
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
Vd
Typ.
IO = 1 to 100 mA, TJ = 25 °C
ΔId
SVR
Min.
mV
mA
41
Dropout voltage
40
µV
49
dB
1.7
V
TJ = 0 to 125 °C for L78L05AC, TJ = -40 to 125 °C for L78L05AB.
Table 14.
Symbol
Electrical characteristics of L78L05AB and L78L05AC (VI = 10 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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 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
ΔId
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
V
mV
mV
mA
41
Dropout voltage
40
µV
49
dB
1.7
V
TJ = 0 to 125 °C for L78L06AC, TJ = -40 to 125 °C for L78L06AB.
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11/33
Electrical characteristics
Table 15.
Symbol
Electrical characteristics of L78L06AB and L78L06AC (VI = 12 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
L78LxxAB, L78LxxAC, L78LxxC
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
ΔId
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
39
Dropout voltage
50
µV
46
dB
1.7
V
TJ = 0 to 125 °C for L78L08AC, TJ = -40 to 125 °C for L78L08AB.
Table 16.
Symbol
Electrical characteristics of L78L08AB and L78L08AC (VI = 14 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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
ΔId
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
12/33
V
Dropout voltage
Doc ID 2145 Rev 21
mV
mV
mA
37
60
µV
45
dB
1.7
V
L78LxxAB, L78LxxAC, L78LxxC
Electrical characteristics
TJ = 0 to 125 °C for L78L09AC, TJ = -40 to 125 °C for L78L09AB.
Table 17.
Symbol
Electrical characteristics of L78L09AB and L78L09AC (VI = 15 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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
ΔId
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
37
Dropout voltage
70
µV
44
dB
1.7
V
TJ = 0 to 125 °C for L78L10AC, TJ = -40 to 125 °C for L78L10AB.
Table 18.
Symbol
Electrical characteristics of L78L10AC (VI = 16 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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
ΔId
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
V
Dropout voltage
Doc ID 2145 Rev 21
mV
mV
mA
37
60
µV
45
dB
1.7
V
13/33
Electrical characteristics
L78LxxAB, L78LxxAC, L78LxxC
TJ = 0 to 125 °C for L78L12AC, TJ = -40 to 125 °C for L78L12AB.
Table 19.
Symbol
Electrical characteristics of L78L12AB and L78L12AC (VI = 19 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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
mV
0.1
VI = 16 to 27 V
1.5
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
Vd
mV
IO = 1 to 40 mA
ΔId
SVR
V
mA
37
Dropout voltage
80
µV
42
dB
1.7
V
TJ = 0 to 125 °C for L78L15AC, TJ = -40 to 125 °C for L78L15AB.
Table 20.
Symbol
Electrical characteristics of L78L15AB and L78L15AC (VI = 23 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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
VI = 20 to 30 V
1.5
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
14/33
mV
0.1
Quiescent current change
Vd
mV
IO = 1 to 40 mA
ΔId
SVR
V
Dropout voltage
Doc ID 2145 Rev 21
mA
34
90
µV
39
dB
1.7
V
L78LxxAB, L78LxxAC, L78LxxC
Electrical characteristics
TJ = 0 to 125 °C for L78L18AC, TJ = -40 to 125 °C for L78L18AB.
Table 21.
Symbol
Electrical characteristics of L78L18AC (VI = 27 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
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
mV
0.1
VI = 23 to 33 V
1.5
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
Vd
mV
IO = 1 to 40 mA
ΔId
SVR
V
mA
33
Dropout voltage
120
µV
38
dB
1.7
V
TJ = 0 to 125 °C for L78L24AC, TJ = -40 to 125 °C for L78L24AB.
Table 22.
Symbol
Electrical characteristics of L78L24AB and L78L24AC (VI = 33 V)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
Quiescent current
Test conditions
TJ = 25 °C
Max.
Unit
23
24
25
V
22.8
25.2
IO = 1 to 70 mA, VI = 33 V
22.8
25.2
V
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
mV
mV
IO = 1 to 40 mA
0.1
VI = 28 to 38 V
1.5
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
Vd
Typ.
IO = 1 to 40 mA, VI = 27 to 38 V
ΔId
SVR
Min.
Dropout voltage
Doc ID 2145 Rev 21
mA
31
200
µV
37
dB
1.7
V
15/33
Typical performance
L78LxxAB, L78LxxAC, L78LxxC
5
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
16/33
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Figure 8.
Typical performance
L78L05 quiescent current vs. input Figure 9.
voltage
Figure 10. L78L05/12/24 ripple rejection
L78L05/12/24 output characteristics
Figure 11. L78L05 dropout characteristics
Figure 12. L78Lxx short-circuit output current
Doc ID 2145 Rev 21
17/33
Typical application
6
L78LxxAB, L78LxxAC, L78LxxC
Typical application
Figure 13. High output current short-circuit protected
Figure 14. Edit boost circuit
Figure 15. Current regulator
18/33
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Typical application
Figure 16. Adjustable output regulator
Doc ID 2145 Rev 21
19/33
Package mechanical data
7
L78LxxAB, L78LxxAC, L78LxxC
Package mechanical data
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.
20/33
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Package mechanical data
SO-8 mechanical data
Dim.
mm.
Min.
Typ.
inch.
Max.
Min.
Typ.
Max.
A
1.35
1.75
0.053
0.069
A1
0.10
0.25
0.04
0.010
A2
1.10
1.65
0.043
0.065
B
0.33
0.51
0.013
0.020
C
0.19
0.25
0.007
0.010
D
4.80
5.00
0.189
0.197
E
3.80
4.00
0.150
0.157
e
1.27
0.050
H
5.80
6.20
0.228
0.244
h
0.25
0.50
0.010
0.020
L
0.40
1.27
0.016
0.050
k
ddd
8° (max.)
0.1
0.04
0016023/C
Doc ID 2145 Rev 21
21/33
Package mechanical data
L78LxxAB, L78LxxAC, L78LxxC
SOT-89 mechanical data
mm.
mils.
Dim.
Min.
Typ.
Max.
Min.
Typ.
Max.
A
1.4
1.6
55.1
63.0
B
0.44
0.56
17.3
22.0
B1
0.36
0.48
14.2
18.9
C
0.35
0.44
13.8
17.3
C1
0.35
0.44
13.8
17.3
D
4.4
4.6
173.2
181.1
D1
1.62
1.83
63.8
72.0
E
2.29
2.6
90.2
102.4
e
1.42
1.57
55.9
61.8
e1
2.92
3.07
115.0
120.9
H
3.94
4.25
155.1
167.3
L
0.89
1.2
35.0
47.2
P025H
22/33
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Package mechanical data
TO-92 mechanical data
mm.
mils.
Dim.
Min.
Typ.
Max.
Min.
Typ.
Max.
A
4.32
4.95
170.1
194.9
b
0.36
0.51
14.2
20.1
D
4.45
4.95
175.2
194.9
E
3.30
3.94
129.9
155.1
e
2.41
2.67
94.9
105.1
e1
1.14
1.40
44.9
55.1
L
12.7
15.49
500.0
609.8
R
2.16
2.41
85.0
94.9
S1
0.92
1.52
36.2
59.8
W
0.41
0.56
16.1
22.0
α
5°
5°
0102782/D
Doc ID 2145 Rev 21
23/33
Package mechanical data
L78LxxAB, L78LxxAC, L78LxxC
Tape & reel SO-8 mechanical data
mm.
inch.
Dim.
Min.
A
Max.
Min.
330
13.2
Typ.
Max.
12.992
C
12.8
D
20.2
0.795
N
60
2.362
T
24/33
Typ.
0.504
22.4
0.519
0.882
Ao
8.1
8.5
0.319
0.335
Bo
5.5
5.9
0.216
0.232
Ko
2.1
2.3
0.082
0.090
Po
3.9
4.1
0.153
0.161
P
7.9
8.1
0.311
0.319
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Package mechanical data
Tape & reel SOT-89 mechanical data
mm.
inch.
Dim.
Min.
Typ.
A
Max.
Min.
Typ.
180
13.0
7.086
C
12.8
D
20.2
0.795
N
60
2.362
T
13.2
Max.
0.504
0.512
14.4
0.519
0.567
Ao
4.70
4.80
4.90
0.185
0.189
0.193
Bo
4.30
4.40
4.50
0.169
0.173
0.177
Ko
1.70
1.80
1.90
0.067
0.071
0.075
Po
3.9
4.0
4.1
0.153
0.157
0.161
P
7.9
8.0
8.1
0.311
0.315
0.319
Doc ID 2145 Rev 21
25/33
Package mechanical data
Table 23.
L78LxxAB, L78LxxAC, L78LxxC
Tape and reel TO-92 mechanical data
mm.
inch.
Dim.
Min.
Typ.
Max.
Min.
Typ.
A1 (1)
4.80
0.189
T (1)
3.80
0.150
T1
1.60
0.063
T2
2.30
0.091
d
0.48
0.019
Max.
P0
12.5
12.9
0.492
0.508
P2
5.65
7.05
0.222
0.278
F1, F2
2.44
2.94
0.096
delta H
2.54
±2
W
17.5
W0
W1
18.00
0.079
0.689
5.7
6.3
0.224
0.248
8.5
9.25
0.335
0.364
0.50
H
18.50
15.50
H1
D0
0.748
0.20
18.70
16.50
0.728
0.610
25.00
3.8
0.709
0.726
0.650
0.984
4.2
0.150
0.165
t
0.90
0.035
L1
3
0.118
delta P
±1
0.039
u
50
1.968
Φ1
360
14.173
Φ2
30
1.181
1. For the MAX and MIN values refer to the TO-92 mechanical data on page 23.
26/33
0.116
19.0
W2
H0
0.100
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Package mechanical data
Figure 17. Tape and reel TO-92 drawing dimension
delta P
T
A1
T2
H1
T1
delta H
H
H0
d
L
W2
l1
W0 W
W1
F1 F2
P2
D0
t
P0
DRAWING NOT IN SCALE
Doc ID 2145 Rev 21
27/33
Order codes
L78LxxAB, L78LxxAC, L78LxxC
8
Order codes
Table 24.
Order codes
Packages
Part numbers
SO-8
TO92 (BAG) (1)
L78L33C
L78L33CD-TR
3.3 V
L78L33AC
L78L33ACD13TR
L78L33ACZ
L78L33ACUTR
3.3 V
L78L33AB
L78L33ABD-TR
L78L33ABZ
L78L33ABUTR
3.3 V
L78L05C
L78L05CD13TR
L78L05CZ
L78L05AC
L78L05ACD13TR
L78L05ACZ
L78L05ACUTR
5V
L78L05AB
L78L05ABD13TR
L78L05ABZ
L78L05ABUTR
5V
L78L06AC
L78L06ACD13TR
L78L06ACZ
L78L06ACUTR
6V
L78L06AB
L78L06ABD13TR
L78L06ABZ
L78L06ABUTR
6V
L78L08C
L78L08CD13TR
L78L08AC
L78L08ACD13TR
L78L08ACZ
L78L08ACUTR
8V
L78L08AB
L78L08ABD13TR
L78L08ABZ
L78L08ABUTR
8V
L78L09C
L78L09CD13TR
L78L09AC
L78L09ACD13TR
L78L09ACZ
L78L09ACUTR
9V
L78L09AB
L78L09ABD13TR
L78L09ABZ
L78L09ABUTR
9V
L78L10ACUTR
10 V
5V
8V
9V
L78L10AC
L78L12C
L78L12CD13TR
L78L12AC
L78L12ACD13TR
L78L12ACZ
L78L12ACUTR
12 V
L78L12AB
L78L12ABD-TR
L78L12ABZ
L78L12ABUTR
12 V
L78L15C
L78L15CD-TR
L78L15AC
L78L15ACD13TR
L78L15AB
L78L18C
12 V
15 V
L78L15ACZ
L78L15ACUTR
15 V
L78L15ABZ
L78L15ABUTR
15 V
L78L18CD13TR
18 V
L78L18AC
L78L24C
1.
Output voltages
SOT-89
L78L18ACUTR
L78L24CD-TR
18 V
24 V
L78L24AC
L78L24ACZ
L78L24AB
L78L24ABZ
L78L24ACUTR
24 V
24 V
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.
28/33
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Table 25.
Order codes
Marking information
Part numbers
Marking
Packages
Output voltages
L78L05ABD
78L05B
SO8
5V
L78L05ABUTR
8C
SOT 89
5V
L78L05ABZ
L78L05
TO 92
5V
L78L05ABZ-AP
L78L05
TO 92
5V
L78L05ABZ-TR
L78L05
TO 92
5V
L78L05ACD
78L05A
SO8
5V
L78L05ACUTR
8C
SOT 89
5V
L78L05ACZ
L78L05
TO 92
5V
L78L05ACZ-AP
L78L05
TO 92
5V
L78L05ACZTR
L78L05
TO 92
5V
L78L05CD
78L05
SO8
5V
L78L05CZ
L78L05
TO 92
5V
L78L06ABD
78L06B
SO8
6V
L78L06ABUTR
8E
SOT 89
6V
L78L06ABZ
L78L06
TO 92
6V
L78L06ACD
78L06A
SO8
6V
L78L06ACUTR
8E
SOT 89
6V
L78L06ACZ
L78L06
TO 92
6V
L78L06ACZ-AP
L78L06
TO 92
6V
L78L06ACZ-TR
L78L06
TO 92
6V
L78L06CD
78L06
SO8
6V
L78L08ABD
78L08B
SO8
8V
L78L08ABUTR
8G
SOT 89
8V
L78L08ABZ
L78L08
TO 92
8V
L78L08ABZ-AP
L78L08
TO 92
8V
L78L08ABZTR
L78L08
TO 92
8V
L78L08ACD
78L08A
SO8
8V
L78L08ACUTR
8G
SOT 89
8V
L78L08ACZ
L78L08
TO 92
8V
L78L08ACZ-AP
L78L08
TO 92
8V
L78L08ACZTR
L78L08
TO 92
8V
L78L08CD
78L08
SO8
8V
L78L09ABD
78L09B
SO8
9V
L78L09ABUTR
8H
SOT 89
9V
L78L09ABZ
L78L09
TO 92
9V
Doc ID 2145 Rev 21
29/33
Order codes
L78LxxAB, L78LxxAC, L78LxxC
Table 25.
30/33
Marking information (continued)
Part numbers
Marking
Packages
Output voltages
L78L09ACD
78L09A
SO8
9V
L78L09ACUTR
8H
SOT 89
9V
L78L09ACZ
L78L09
TO 92
9V
L78L09ACZ-AP
L78L09
TO 92
9V
L78L09ACZ-TR
L78L09
TO 92
9V
L78L09CD
78L09
SO8
9V
L78L10ACUTR
8I
SOT 89
10 V
L78L12ABD
78L12B
SO8
12 V
L78L12ABUTR
8K
SOT 89
12 V
L78L12ABZ
L78L12
TO 92
12 V
L78L12ABZ-AP
L78L12
TO 92
12 V
L78L12ACD
78L12A
SO8
12 V
L78L12ACUTR
8K
SOT 89
12 V
L78L12ACZ
L78L12
TO 92
12 V
L78L12ACZ-AP
L78L12
TO 92
12 V
L78L12ACZ-TR
L78L12
TO 92
12 V
L78L12CD
78L12
SO8
12 V
L78L15ABD
78L15B
SO8
15 V
L78L15ABUTR
8L
SOT 89
15 V
L78L15ABZ
L78L15
TO 92
15 V
L78L15ABZ-AP
L78L15
TO 92
15 V
L78L15ACD
78L15A
SO8
15 V
L78L15ACUTR
8L
SOT 89
15 V
L78L15ACZ
L78L15
TO 92
15 V
L78L15ACZ-AP
L78L15
TO 92
15 V
L78L15ACZ-TR
L78L15
TO 92
15 V
L78L15CD
78L15
SO8
15 V
L78L15CD-TR
78L15A
SO8
15 V
L78L18ACUTR
8B
SOT 89
18 V
L78L24ABD
78L24B
SO8
24 V
L78L24ABUTR
8P
SOT 89
24 V
L78L24ABZ-TR
L78L24
TO 92
24 V
L78L24ACD
78L24A
SO8
24 V
L78L24ACUTR
8P
SOT 89
24 V
L78L24ACZ
L78L24
TO 92
24 V
L78L24ACZ-AP
L78L24
TO 92
24 V
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
Table 25.
Order codes
Marking information (continued)
Part numbers
Marking
Packages
Output voltages
L78L24CD
78L24
SO8
24 V
L78L33ABD
78L33B
SO8
3.3 V
L78L33ABUTR
8A
SOT 89
3.3 V
L78L33ABZ-AP
L78L33
TO 92
3.3 V
L78L33ACD
78L33A
SO8
3.3 V
L78L33ACD13TR
78L33A
SO8
3.3 V
L78L33ACUTR
8A
SOT 89
3.3 V
L78L33ACZ
L78L33
TO 92
3.3 V
L78L33ACZ-AP
L78L33
TO 92
3.3 V
L78L33ACZTR
L78L33
TO 92
3.3 V
L78L33CD
78L33
SO8
3.3 V
L78L33CD-TR
78L33
SO8
3.3 V
Doc ID 2145 Rev 21
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Revision history
L78LxxAB, L78LxxAC, L78LxxC
9
Revision history
Table 26.
Document revision history
Date
Revision
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 on page 1 and Table 24 on page 28.
18-Aug-2008
16
Modified Figure 12 on page 17.
03-Apr-2009
17
Added: RthJA value for SOT-89 Table 3 on page 5.
08-Feb-2011
18
Added note Table 23 on page 26
21-Feb-2012
19
Modified: SOT-89 Figure 2 on page 4.
14-Aug-2012
20
Updated TOP value for L78L00AC in Table 2 on page 5.
Minor text changes.
07-Sep-2012
21
Added: Table 25 on page 29.
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Changes
Doc ID 2145 Rev 21
L78LxxAB, L78LxxAC, L78LxxC
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Doc ID 2145 Rev 21
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