L78M00 SERIES
ELECTRICAL CHARACTERISTICS OF L78M20C (refer to the test circuits, TJ = 25°C, VI = 29V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO Line Regulation
∆VO Load Regulation
Id Quiescent Current
∆Id Quiescent Current Change
∆VO/∆T Output Voltage Drift
SVR Supply Voltage Rejection
eN Output Noise Voltage
Vd Dropout Voltage
Isc Short Circuit Current
IO = 5 to 350 mA
VI = 23 to 35 V
VI = 24 to 35 V
IO = 5 to 500 mA
IO = 5 to 200 mA
VI = 23 to 35 V
IO = 200 mA
IO = 200 mA
TJ = 25°C
TJ = 25°C
IO = 5 to 350 mA
IO = 200 mA
VI = 23 to 35 V
IO = 5 mA
TJ = 0 to 125°C
VI = 24 to 34 V
IO = 300mA
f = 120Hz
B =10Hz to 100KHz
VI = 35 V
19.2 20 20.8
V
19
20
21
V
100 mV
50
400 mV
200
6
mA
0.5 mA
0.8
-1.1
mV/°C
53
dB
110
µV
2
V
240
mA
ELECTRICAL CHARACTERISTICS OF L78M24C (refer to the test circuits, TJ = 25°C, VI = 33V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified),
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO Line Regulation
∆VO Load Regulation
Id Quiescent Current
∆Id Quiescent Current Change
∆VO/∆T Output Voltage Drift
SVR Supply Voltage Rejection
eN Output Noise Voltage
Vd Dropout Voltage
Isc Short Circuit Current
IO = 5 to 350 mA
VI = 27 to 38 V
VI = 28 to 38 V
IO = 5 to 500 mA
IO = 5 to 200 mA
VI = 27 to 38 V
IO = 200 mA
IO = 200 mA
TJ = 25°C
TJ = 25°C
IO = 5 to 350 mA
IO = 200 mA
VI = 27 to 38 V
IO = 5 mA
TJ = 0 to 125°C
VI = 28 to 38 V
IO = 300mA
f = 120Hz
B =10Hz to 100KHz
VI = 35 V
23
24
25
V
22.8 24 25.2
V
100 mV
50
480 mV
240
6
mA
0.5 mA
0.8
-1.2
mV/°C
50
dB
170
µV
2
V
240
mA
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