L78L08ACU 查看數據表（PDF） - STMicroelectronics
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L78L08ACU Datasheet PDF : 24 Pages
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L78L00 SERIES
ELECTRICAL CHARACTERISTICS OF L78L18C (refer to the test circuits, TJ = 0 to 125°C, VI = 27V,
IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO
VO
∆VO
∆VO
Id
∆Id
eN
SVR
Vd
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
TJ = 25°C
IO = 1 to 40 mA VI = 22 to 33 V
IO = 1 to 70 mA VI = 27 V
VI = 22 to 33 V
TJ = 25°C
VI = 22 to 33 V
TJ = 25°C
IO = 1 to 100 mA
TJ = 25°C
IO = 1 to 40 mA
TJ = 25°C
TJ = 25°C
TJ = 125°C
IO = 1 to 40 mA
VI = 23 to 33 V
B =10Hz to 100KHz
TJ = 25°C
VI = 23 to 33 V
IO = 40 mA
f = 120Hz
TJ = 25°C
16.6 18 19.4
V
16.2
19.8
V
16.2
19.8
320 mV
270
170 mV
85
6.5 mA
6
mA
0.2 mA
1.5
120
µV
32
38
dB
1.7
V
ELECTRICAL CHARACTERISTICS OF L78L20C (refer to the test circuits, TJ = 0 to 125°C, VI = 29V,
IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO
VO
∆VO
∆VO
Id
∆Id
eN
SVR
Vd
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
TJ = 25°C
IO = 1 to 40 mA VI = 24 to 33 V
IO = 1 to 70 mA VI = 29 V
VI = 22.5 to 34 V
TJ = 25°C
VI = 24 to 34 V
TJ = 25°C
IO = 1 to 100 mA
TJ = 25°C
IO = 1 to 40 mA
TJ = 25°C
TJ = 25°C
TJ = 125°C
IO = 1 to 40 mA
VI = 25 to 33 V
B =10Hz to 100KHz
TJ = 25°C
VI = 25 to 35 V
IO = 40 mA
f = 120Hz
TJ = 25°C
18.4 20 21.6
V
18
22
V
18
22
330 mV
280
180 mV
90
6.5 mA
6
mA
0.2 mA
1.5
120
µV
31
38
dB
1.7
V
8/24
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