L78S05C Просмотр технического описания (PDF) - STMicroelectronics
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L78S05C Datasheet PDF : 21 Pages
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L78S00 SERIES
ELECTRICAL CHARACTERISTICS FOR L78S18 (refer to the test circuits, Tj = 25 oC,
Vi = 26V, Io = 500 mA unless otherwise specified)
Symbol
Parameter
Vo Output Voltage
Vo Output Voltage
∆Vo Line Regulation
∆Vo
Id
∆Id
∆Id
∆Vo
∆T
eN
SVR
Vi
Ro
Isc
Iscp
Load Regulation
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Operating Input Voltage
Output Resistance
Short Circuit Current
Short Circuit Peack Current
Test Conditions
Io = 1 A
Vi = 20.5 V
Vi = 20.5 to 30 V
Vi = 22 to 28 V
Io = 20 mA to 2 A
Io = 20 mA to 1A
Io = 20 mA Vi = 22 to 33 V
Io = 5 mA
Tj = -55 to 150 oC
B = 10Hz to 100KHz
f = 120 Hz
Io ≤ 1.5 A
f = 1KHz
Vi = 27 V
Min.
17.1
17
Typ.
18
18
-1
Max.
18.9
19
360
180
200
8
0.5
1
110
49
21
22
500
3
Unit
V
V
mV
mV
mV
mA
mA
mA
mV/oC
µV
dB
V
mΩ
mA
A
ELECTRICAL CHARACTERISTICS FOR L78S24 (refer to the test circuits, Tj = 25 oC,
Vi = 33V, Io = 500 mA unless otherwise specified)
Symbol
Parameter
Vo Output Voltage
Vo Output Voltage
∆Vo Line Regulation
∆Vo
Id
∆Id
∆Id
∆Vo
∆T
eN
SVR
Vi
Ro
Isc
Iscp
Load Regulation
Quiescent Current
Quiescent Current Change
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Supply Voltage Rejection
Operating Input Voltage
Output Resistance
Short Circuit Current
Short Circuit Peack Current
Test Conditions
Io = 1 A
Vi = 27 V
Vi = 27 to 38 V
Vi = 30 to 36 V
Io = 20 mA to 2 A
Io = 20 mA to 1A
Io = 20 mA Vi = 8 to 25 V
Io = 5 mA
Tj = -55 to 150 oC
B = 10Hz to 100KHz
f = 120 Hz
Io ≤ 1.5 A
f = 1KHz
Vi = 27 V
Min.
23
22.8
Typ.
24
24
-1.5
Max.
25
25.2
480
240
250
8
0.5
1
170
48
27
23
500
3
Unit
V
V
mV
mV
mV
mA
mA
mA
mV/oC
µV
dB
V
mΩ
mA
A
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