Data Sheet

L78M00 SERIES
9/21
ELECTRICAL CHARACTERISTICS OF L78M20C (refer to the test circuits, T
J
= 25°C, V
I
=29V,
I
O
=350mA,C
I
=0.33µF,C
O
= 0.1 µF unless otherwise specified).
ELECTRICAL CHARACTERISTICS OF L78M24C (refer to the test circuits, T
J
= 25°C, V
I
=33V,
I
O
=350mA,C
I
=0.33µF,C
O
= 0.1 µF unless otherwise specified),
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage 19.2 20 20.8 V
V
O
Output Voltage I
O
= 5 to 350 mA V
I
=23to35V 19 20 21 V
∆V
O
Line Regulation V
I
=23to35V I
O
= 200 mA 100 mV
V
I
=24to35V I
O
= 200 mA 50
∆V
O
Load Regulation I
O
= 5 to 500 mA T
J
= 25°C 400 mV
I
O
= 5 to 200 mA T
J
= 25°C 200
I
d
Quiescent Current 6mA
∆I
d
Quiescent Current Change I
O
= 5 to 350 mA 0.5 mA
I
O
= 200 mA V
I
=23to35V 0.8
∆V
O
/∆T Output Voltage Drift I
O
=5mA T
J
= 0 to 125°C -1.1 mV/°C
SVR Supply Voltage Rejection V
I
=24to34V f=120Hz
I
O
= 300mA
53 dB
eN Output Noise Voltage B =10Hz to 100KHz 110 µV
V
d
Dropout Voltage 2 V
I
sc
Short Circuit Current V
I
= 35 V 240 mA
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage 23 24 25 V
V
O
Output Voltage I
O
= 5 to 350 mA V
I
=27to38V 22.8 24 25.2 V
∆V
O
Line Regulation V
I
=27to38V I
O
= 200 mA 100 mV
V
I
=28to38V I
O
= 200 mA 50
∆V
O
Load Regulation I
O
= 5 to 500 mA T
J
= 25°C 480 mV
I
O
= 5 to 200 mA T
J
= 25°C 240
I
d
Quiescent Current 6mA
∆I
d
Quiescent Current Change I
O
= 5 to 350 mA 0.5 mA
I
O
= 200 mA V
I
=27to38V 0.8
∆V
O
/∆T Output Voltage Drift I
O
=5mA T
J
= 0 to 125°C -1.2 mV/°C
SVR Supply Voltage Rejection V
I
=28to38V f=120Hz
I
O
= 300mA
50 dB
eN Output Noise Voltage B =10Hz to 100KHz 170 µV
V
d
Dropout Voltage 2 V
I
sc
Short Circuit Current V
I
= 35 V 240 mA