L78L00 SERIES
ELECTRICAL CHARACTERISTICS OF L78L20AB AND L78L20AC
(refer to the test circuits, VI = 29V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF,
TJ = 0 to 125°C for L78L20AC, TJ = -40 to 125°C for L78L20AB, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO
VO
∆VO
∆VO
Id
∆Id
eN
SVR
Vd
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
TJ = 25°C
IO = 1 to 40 mA VI = 24 to 33 V
IO = 1 to 70 mA VI = 29 V
VI = 22.5 to 34 V
TJ = 25°C
VI = 24 to 34 V
TJ = 25°C
IO = 1 to 100 mA
TJ = 25°C
IO = 1 to 40 mA
TJ = 25°C
TJ = 25°C
TJ = 125°C
IO = 1 to 40 mA
VI = 25 to 33 V
B =10Hz to 100KHz
TJ = 25°C
VI = 25 to 35 V
IO = 40 mA
f = 120Hz
TJ = 25°C
19.2 20 20.8
V
19
21
V
19
21
330 mV
280
180 mV
90
6.5 mA
6
mA
0.1 mA
1.5
120
µV
32
38
dB
1.7
V
ELECTRICAL CHARACTERISTICS OF L78L24AB AND L78L24AC
(refer to the test circuits, VI = 27V, 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)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO
VO
∆VO
∆VO
Id
∆Id
eN
SVR
Vd
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
TJ = 25°C
IO = 1 to 40 mA VI = 27 to 38 V
IO = 1 to 70 mA VI = 33 V
VI = 27 to 38 V
TJ = 25°C
VI = 28 to 38 V
TJ = 25°C
IO = 1 to 100 mA
TJ = 25°C
IO = 1 to 40 mA
TJ = 25°C
TJ = 25°C
TJ = 125°C
IO = 1 to 40 mA
VI = 28 to 38 V
B =10Hz to 100KHz
TJ = 25°C
VI = 23 to 33 V
IO = 40 mA
f = 120Hz
TJ = 25°C
23
24
25
V
22.8
25.2
V
22.8
25.2
350 mV
300
200 mV
100
6.5 mA
6
mA
0.1 mA
1.5
200
µV
31
37
dB
1.7
V
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