L78M05CV(2006) 데이터 시트보기 (PDF) - STMicroelectronics
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L78M05CV Datasheet PDF : 30 Pages
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Electrical characteristics
L78M00 series
Table 11.
Symbol
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)
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
19.2 20 20.8 V
VO Output voltage
IO = 5 to 350 mA, VI = 23 to 35 V
19
20
21
V
∆VO Line regulation
VI = 23 to 35 V, IO = 200 mA
VI = 24 to 35 V, IO = 200 mA
100
mV
50
∆VO Load regulation
IO = 5 to 500 mA, TJ = 25°C
IO = 5 to 200 mA, TJ = 25°C
400
mV
200
Id
Quiescent current
6
mA
∆Id
Quiescent current change IO = 5 to 350 mA
IO = 200 mA, VI = 23 to 35 V
0.5
mA
0.8
∆VO/∆T Output voltage drift
IO = 5 mA, TJ = 0 to 125°C
-1.1
mV/°C
SVR Supply voltage rejection VI = 24 to 34 V, f = 120Hz, IO = 300mA 53
dB
eN Output noise voltage
B =10Hz to 100KHz
110
µV
Vd Dropout voltage
Isc Short circuit current
VI = 35 V
2
V
240
mA
Table 12.
Symbol
Electrical characteristics of L78M24C (refer to the test circuits, TJ = 25°C, VI = 23V,
IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Parameter
Test conditions
Min. Typ. Max. Unit
VO Output voltage
23
24
25
V
VO Output voltage
IO = 5 to 350 mA, VI = 27 to 38 V
22.8 24 25.2 V
∆VO Line regulation
VI = 27 to 38 V, IO = 200 mA
VI = 28 to 38 V, IO = 200 mA
100
mV
50
∆VO Load regulation
IO = 5 to 500 mA, TJ = 25°C
IO = 5 to 200 mA, TJ = 25°C
480
mV
240
Id
Quiescent current
6
mA
∆Id
IO = 5 to 350 mA
Quiescent current change
IO = 200 mA, VI = 27 to 38 V
0.5
mA
0.8
∆VO/∆T Output voltage drift
IO = 5 mA, TJ = 0 to 125°C
-1.2
mV/°C
SVR Supply voltage rejection VI = 28 to 38 V, f = 120Hz, IO = 300mA 50
dB
eN Output noise voltage
B =10Hz to 100KHz
170
µV
Vd Dropout voltage
Isc Short circuit current
VI = 35 V
2
V
240
mA
10/30
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