STMicroelectronics L78L08ABZ Positive voltage regulator Datasheet

L78LxxAB
L78LxxAC - L78LxxC
Positive voltage regulators
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 ±5% (AC) or ±10% (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.
Table 1.
SOT-89
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 of typically two
orders of magnitude, along with lower quiescent
current and lower noise.
Device summary
Part numbers
August 2008
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
Rev 16
1/29
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29
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
9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2/29
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
L78LxxAB - L78LxxAC - L78LxxC
1
Diagram
Figure 1.
Schematic diagram
Diagram
3/29
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.
4/29
Test circuits
SOT-89
TO-92
L78LxxAB - L78LxxAC - L78LxxC
3
Maximum ratings
Table 2.
Absolute maximum ratings
Symbol
VI
Maximum ratings
Parameter
DC Input voltage
IO
Output current
PD
Power dissipation
TSTG
Storage temperature range
TOP
Operating junction temperature range
Value
VO= 3.3 to 9 V
30
VO= 12 to 15 V
35
VO= 18 to 24 V
40
Unit
V
100
mA
Internally limited (1)
mW
-65 to 150
°C
for L78L00AC
0 to 150
for L78L00AB
-40 to 125
°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
Thermal resistance junction-case. (Max)
Thermal resistance junction-ambient. (Max)
SO-8
TO-92
20
55
(1)
200
SOT-89
Unit
15
°C/W
°C/W
Considering 6 cm2 of copper Board heat-sink.
5/29
Electrical characteristics
L78LxxAB - L78LxxAC - L78LxxC
4
Electrical characteristics
Table 4.
Electrical characteristics of L78L33C (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)
Symbol
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
6/29
Dropout voltage
V
mV
mV
mA
41
40
µV
49
dB
1.7
V
L78LxxAB - L78LxxAC - L78LxxC
Table 5.
Symbol
Electrical characteristics of L78L05C (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)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
Electrical characteristics
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
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
Table 6.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
mA
40
40
µV
49
dB
1.7
V
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
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
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
Dropout voltage
V
VI = 8.5 to 20 V, TJ = 25°C
ΔId
Vd
mV
Electrical characteristics of L78L08C (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)
Output voltage
SVR
mV
Dropout voltage
VO
Id
V
mV
mV
mA
36
60
µV
45
dB
1.7
V
7/29
Electrical characteristics
Table 7.
Symbol
Electrical characteristics of L78L09C (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)
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
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
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
Table 8.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
TJ = 25°C
36
70
µV
44
dB
1.7
V
Typ.
Max.
Unit
9.2
10
10.8
V
11
IO = 1 to 70 mA, VI = 16 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
eN
Output noise voltage
B =10Hz to 100kHz, TJ = 25°C
Supply voltage rejection
VI = 14 to 23 V, f = 120Hz
IO = 40 mA, TJ = 25°C
Dropout voltage
Min.
9
Quiescent current change
8/29
mA
IO = 1 to 40 mA, VI = 12.5 to 23 V
ΔId
Vd
mV
Electrical characteristics of L78L10C (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)
Output voltage
SVR
mV
Dropout voltage
VO
Id
V
mV
mV
mA
37
60
µV
45
dB
1.7
V
L78LxxAB - L78LxxAC - L78LxxC
Table 9.
Symbol
Electrical characteristics of L78L12C (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)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
Electrical characteristics
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
VI = 16 to 27 V
1.5
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
Table 10.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
µV
42
dB
1.7
V
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
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
Dropout voltage
V
VI = 17.5 to 30 V, TJ = 25°C
ΔId
Vd
36
80
Electrical characteristics of L78L15C (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)
Output voltage
SVR
mA
Dropout voltage
VO
Id
mV
0.2
Quiescent current change
Vd
mV
IO = 1 to 40 mA
ΔId
SVR
V
mA
33
90
µV
39
dB
1.7
V
9/29
Electrical characteristics
Table 11.
Symbol
Electrical characteristics of L78L18C (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)
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
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
VI = 23 to 33 V
1.5
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
Table 12.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
38
dB
1.7
V
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
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
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
Dropout voltage
V
VI = 27 to 38 V, TJ = 25°C
Quiescent current change
10/29
µV
Min.
ΔId
Vd
32
120
Electrical characteristics of L78L24C (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)
Output voltage
SVR
mA
Dropout voltage
VO
Id
mV
0.2
Quiescent current change
Vd
mV
IO = 1 to 40 mA
ΔId
SVR
V
mA
30
200
µV
37
dB
1.7
V
L78LxxAB - L78LxxAC - L78LxxC
Table 13.
Symbol
Electrical characteristics of L78L33AB and L78L33AC (refer to the test circuits,
VI = 8.3 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L33AC,
TJ = -40 to 125°C for L78L33AB, unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
Electrical characteristics
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 = 5.3 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
0.1
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 14.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
mA
41
40
µV
49
dB
1.7
V
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
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
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
Dropout voltage
V
VI = 7 to 20 V, TJ = 25°C
ΔId
Vd
mV
Electrical characteristics of L78L05AB and L78L05AC (refer to the test circuits,
VI = 10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L05AC,
TJ = -40 to 125°C for L78L05AB, unless otherwise specified)
Output voltage
SVR
mV
Dropout voltage
VO
Id
V
mV
mV
mA
41
40
µV
49
dB
1.7
V
11/29
Electrical characteristics
Table 15.
Symbol
Electrical characteristics of L78L06AB and L78L06AC (refer to the test circuits,
VI = 12 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L06AC,
TJ = -40 to 125°C for L78L06AB, unless otherwise specified)
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
Table 16.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
39
50
µV
46
dB
1.7
V
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
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
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
Dropout voltage
V
VI = 10.5 to 23 V, TJ = 25°C
Quiescent current change
12/29
mA
Min.
ΔId
Vd
mV
Electrical characteristics of L78L08AB and L78L08AC (refer to the test circuits,
VI = 14 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L08AC,
TJ = -40 to 125°C for L78L08AB, unless otherwise specified)
Output voltage
SVR
mV
Dropout voltage
VO
Id
V
mV
mV
mA
37
60
µV
45
dB
1.7
V
L78LxxAB - L78LxxAC - L78LxxC
Table 17.
Symbol
Electrical characteristics of L78L09AB and L78L09AC (refer to the test circuits,
VI = 15 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L09AC,
TJ = -40 to 125°C for L78L09AB, unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
Electrical characteristics
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
Table 18.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
mA
37
70
µV
44
dB
1.7
V
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
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
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
Dropout voltage
V
VI = 12.5 to 23 V, TJ = 25°C
ΔId
Vd
mV
Electrical characteristics of L78L10AC (refer to the test circuits,
VI = 16 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L10AC,
TJ = -40 to 125°C for L78L10AB, unless otherwise specified)
Output voltage
SVR
mV
Dropout voltage
VO
Id
V
mV
mV
mA
37
60
µV
45
dB
1.7
V
13/29
Electrical characteristics
Table 19.
Symbol
Electrical characteristics of L78L12AB and L78L12AC (refer to the test circuits,
VI = 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L12AC,
TJ = -40 to 125°C for L78L12AB, unless otherwise specified)
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
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
VI = 16 to 27 V
1.5
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
Table 20.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
42
dB
1.7
V
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
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
0.1
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
Dropout voltage
V
VI = 17.5 to 30 V, TJ = 25°C
Quiescent current change
14/29
µV
Min.
ΔId
Vd
37
80
Electrical characteristics of L78L15AB and L78L15AC (refer to the test circuits,
VI = 23 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L15AC,
TJ = -40 to 125°C for L78L15AB, unless otherwise specified)
Output voltage
SVR
mA
Dropout voltage
VO
Id
mV
0.1
Quiescent current change
Vd
mV
IO = 1 to 40 mA
ΔId
SVR
V
mA
34
90
µV
39
dB
1.7
V
L78LxxAB - L78LxxAC - L78LxxC
Table 21.
Symbol
Electrical characteristics of L78L18AC (refer to the test circuits,
VI = 27 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L18AC,
TJ = -40 to 125°C for L78L18AB, unless otherwise specified)
Parameter
VO
Output voltage
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Id
Electrical characteristics
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
VI = 23 to 33 V
1.5
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
Table 22.
Symbol
Parameter
VO
Output voltage
ΔVO
Line regulation
ΔVO
Load regulation
Quiescent current
Test conditions
TJ = 25°C
µV
38
dB
1.7
V
Typ.
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
Dropout voltage
Min.
IO = 1 to 40 mA, VI = 27 to 38 V
ΔId
Vd
33
120
Electrical characteristics of L78L24AB and L78L24AC (refer to the test circuits,
VI = 33 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L24AC,
TJ = -40 to 125°C for L78L24AB, unless otherwise specified)
Output voltage
SVR
mA
Dropout voltage
VO
Id
mV
0.1
Quiescent current change
Vd
mV
IO = 1 to 40 mA
ΔId
SVR
V
mA
31
200
µV
37
dB
1.7
V
15/29
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
Figure 8.
L78L05 quiescent current vs input
voltage
Figure 9.
L78L05/12/24 output characteristics
16/29
L78LxxAB - L78LxxAC - L78LxxC
Figure 10. L78L05/12/24 ripple rejection
Typical performance
Figure 11. L78L05 dropout characteristics
Figure 12. L78Lxx short circuit output current
17/29
Typical application
6
Typical application
Figure 13. High output current short circuit protected
Figure 14. Edit boost circuit
Figure 15. Current regulator
18/29
L78LxxAB - L78LxxAC - L78LxxC
L78LxxAB - L78LxxAC - L78LxxC
Typical application
Figure 16. Adjustable output regulator
19/29
Package mechanical data
7
L78LxxAB - L78LxxAC - L78LxxC
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
20/29
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
21/29
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
22/29
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
23/29
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
24/29
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
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
25/29
Package mechanical data
L78LxxAB - L78LxxAC - L78LxxC
Tape & reel for TO-92 mechanical data
Dim.
A1
T
T1
T2
d
P0
P2
F1, F2
delta H
W
W0
W1
W2
H
H0
H1
D0
t
L1
delta P
u
Φ1
Φ2
mm.
Min.
inch.
Typ.
Max.
Min.
4.80
3.80
1.60
2.30
0.48
12.5
5.65
2.44
17.5
5.7
8.5
Typ.
Max.
0.189
0.150
0.063
0.091
0.019
2.54
±2
18.00
0.50
18.50
15.50
12.9
7.05
2.94
0.492
0.222
0.096
19.0
6.3
9.25
0.689
0.224
0.335
0.508
0.278
0.116
0.100
0.079
0.709
0.748
0.248
0.364
0.20
0.728
18.70
16.50
0.610
4.2
0.150
25.00
0.726
0.650
0.984
3.8
0.90
3
±1
50
360
30
0.165
0.035
0.118
0.039
1.968
14.173
1.181
delta P
T
A1
T2
H1
T1
delta H
H
H0
d
L
W2
l1
W0 W
W1
F1 F2
D0
P2
P0
DRAWING NOT IN SCALE
26/29
t
L78LxxAB - L78LxxAC - L78LxxC
8
Order codes
Table 23.
Order codes
Order codes
Packaging
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
1.
Output voltage
SOT-89
12 V
15 V
L78L15ACZ
L78L15ACUTR
15 V
L78L15ABZ
L78L15ABUTR
15 V
L78L18C
L78L18CD13TR
18 V
L78L18AC
L78L18ACD13TR
L78L24C
L78L24CD-TR
L78L24AC
L78L24ACD-TR
L78L24ACZ
L78L24ACUTR
24 V
L78L24AB
L78L24ABD13TR
L78L24ABZ
L78L24ABUTR
24 V
L78L18ACUTR
18 V
24 V
Available in Ammopak with the suffix "-AP" or in Tape & Reel with the suffix "TR". Please note that in these cases pins are
shaped according to Tape & Reel specifications.
27/29
Revision history
L78LxxAB - L78LxxAC - L78LxxC
9
Revision history
Table 24.
Document revision history
Date
Revision
14-Mar-2005
9
Add tape & 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 23 on page 27.
18-Aug-2008
16
Modified Figure 12 on page 17.
28/29
Changes
L78LxxAB - L78LxxAC - L78LxxC
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29/29
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