L78M05CX Ver la hoja de datos (PDF) - STMicroelectronics
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L78M05CX Datasheet PDF : 19 Pages
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L78M00
ELECTRICAL CHARACTERISTICS FOR L78M20C (refer to the test circuits, Tj = 25 oC,
Vi = 29V, Io = 350 mA, Ci = 0.33 µF, Co = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
19.2
20
20.8
Vo Output Voltage
∆Vo Line Regulation
∆Vo Load Regulation
Io = 5 mA to 350 mA
Vi = 23 to 35 V
Io = 200 mA Vi = 23 to 35 V
Io = 200 mA Vi = 24 to 35 V
Io = 5 to 500 mA Tj = 25 oC
Io = 5 to 200 mA Tj = 25 oC
19
20
21
1 00
50
4 00
2 00
Id Quiescent Current
6
∆Id Quiescent Current Change Io = 5 to 350 mA
0.5
∆Id Quiescent Current Change
∆Vo Output Voltage Drift
∆T
Io = 200 mA Vi = 23 to 35 V
Io = 5 mA Tj = 0 to 125 oC
0.8
-1.1
eN Output Noise Voltage
B = 10Hz to 100KHz
110
SVR Supply Voltage Rejection
Vd Dropout Voltage
Io = 300 mA f = 120 Hz
Vi = 24 to 34 V
53
2
Is c Short Circuit Current
Vi = 35 V
240
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
m V/ oC
µV
dB
V
mA
ELECTRICAL CHARACTERISTICS FOR L78M24C (refer to the test circuits, Tj = 25 oC,
Vi = 33V, Io = 350 mA, Ci = 0.33 µF, Co = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
23
24
25
Vo Output Voltage
∆Vo Line Regulation
∆Vo Load Regulation
Io = 5 mA to 350 mA
Vi = 27 to 38 V
Io = 200 mA Vi = 27 to 38 V
Io = 200 mA Vi = 28 to 38 V
Io = 5 to 500 mA Tj = 25 oC
Io = 5 to 200 mA Tj = 25 oC
22.8
24
25.2
1 00
50
4 80
2 40
Id Quiescent Current
6
∆Id Quiescent Current Change
∆Id Quiescent Current Change
∆Vo Output Voltage Drift
∆T
Io = 5 to 350 mA
Io = 200 mA Vi = 27 to 38 V
Io = 5 mA Tj = 0 to 125 oC
0.5
0.8
-1.2
eN Output Noise Voltage
B = 10Hz to 100KHz
170
SVR Supply Voltage Rejection
Vd Dropout Voltage
Is c Short Circuit Current
Io = 300 mA f = 120 Hz
Vi = 28 to 38 V
Vi = 35 V
50
2
240
Unit
V
V
mV
mV
mV
mV
mA
mA
mA
m V/ oC
µV
dB
V
mA
9/19
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