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7905CV 데이터시트(PDF) 6 Page - STMicroelectronics

부품명 7905CV
상세설명  NEGATIVE VOLTAGE REGULATORS
PDF  13 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

7905CV 데이터시트(HTML) 6 Page - STMicroelectronics

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* Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account
separately. Pulce testing with low duty cycle is used.
ELECTRICAL CHARACTERISTICS FOR L7918C (refer to the test circuits, Tj = 0 to 150
oC,
Vi = -27V, Io = 500 mA, Ci = 2.2
µF, Co =1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Tj =25
oC
-17.3
-18
-18.7
V
Vo
Output Voltage
Io = -5mA to -1A
Po
≤ 15 W
Vi = -22 to -33 V
-17.1
-18
-18.9
V
∆Vo*
Line Regulation
Vi = -21 to -33 V
Tj =25
oC
Vi = -24 to -30 V
Tj =25
oC
360
180
mV
mV
∆Vo*
Load Regulation
Io = 5 to 1500 mA
Tj =25
oC
Io = 250 to 750 mA
Tj =25
oC
360
180
mV
mV
Id
Quiescent Current
Tj =25
oC3
mA
∆Id
Quiescent Current Change
Io = 5 to 1000 mA
0.5
mA
∆Id
Quiescent Current Change
Vi = -22 to -33 V
1
mA
∆Vo
∆T
Output Voltage Drift
Io = 5 mA
-1
mV/
oC
eN
Output Noise Voltage
B = 10Hz to 100KHz Tj =25
oC300
µV
SVR
Supply Voltage Rejection
∆Vi = 10 V
f = 120 Hz
54
60
dB
Vd
Dropout Voltage
Io =1 A
Tj =25
oC
∆VO =100 mV
1.1
V
Isc
Short Circuit Current
1.1
A
Iscp
Short Circuit Peak Current
Tj =25
oC2.2
A
ELECTRICAL CHARACTERISTICS FOR L7920C (refer to the test circuits, Tj = 0 to 150
oC,
Vi = -29V, Io = 500 mA, Ci = 2.2
µF, Co =1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vo
Output Voltage
Tj =25
oC
-19.2
-20
-20.8
V
Vo
Output Voltage
Io = -5mA to -1A
Po
≤ 15 W
Vi = -24 to -35 V
-19
-20
-21
V
∆Vo*
Line Regulation
Vi = -23 to -35 V
Tj =25
oC
Vi = -26 to -32 V
Tj =25
oC
400
200
mV
mV
∆Vo*
Load Regulation
Io = 5 to 1500 mA
Tj =25
oC
Io = 250 to 750 mA
Tj =25
oC
400
200
mV
mV
Id
Quiescent Current
Tj =25
oC3
mA
∆Id
Quiescent Current Change
Io = 5 to 1000 mA
0.5
mA
∆Id
Quiescent Current Change
Vi = -24 to -35 V
1
mA
∆Vo
∆T
Output Voltage Drift
Io = 5 mA
-1. 1
mV/
oC
eN
Output Noise Voltage
B = 10Hz to 100KHz Tj =25
oC350
µV
SVR
Supply Voltage Rejection
∆Vi = 10 V
f = 120 Hz
54
60
dB
Vd
Dropout Voltage
Io =1 A
Tj =25
oC
∆VO =100 mV
1.1
V
Isc
Short Circuit Current
0.9
A
Iscp
Short Circuit Peak Current
Tj =25
oC2.5
A
L7900
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