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7915CV Folha de dados(PDF) 7 Page - STMicroelectronics

Nome de Peças 7915CV
Descrição Electrónicos  NEGATIVE VOLTAGE REGULATORS
PDF  13 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

7915CV Folha de dados(HTML) 7 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 L7922C (refer to the test circuits, Tj = 0 to 150
oC,
Vi = -31V, 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
-21.1
-22
-22.9
V
Vo
Output Voltage
Io = -5mA to -1A
Po
≤ 15 W
Vi = -26 to -37 V
-20.9
-22
-23.1
V
∆Vo*
Line Regulation
Vi = -25 to -37 V
Tj =25
oC
Vi = -28 to -34 V
Tj =25
oC
440
220
mV
mV
∆Vo*
Load Regulation
Io = 5 to 1500 mA
Tj =25
oC
Io = 250 to 750 mA
Tj =25
oC
440
220
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 = -26 to -37 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
oC375
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 L7924C (refer to the test circuits, Tj = 0 to 150
oC,
Vi = -33V, 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
-23
-24
-25
V
Vo
Output Voltage
Io = -5mA to -1A
Po
≤ 15 W
Vi = -27 to -38 V
-22.8
-24
-25.2
V
∆Vo*
Line Regulation
Vi = -27 to -38 V
Tj =25
oC
Vi = -30 to -36 V
Tj =25
oC
480
240
mV
mV
∆Vo*
Load Regulation
Io = 5 to 1500 mA
Tj =25
oC
Io = 250 to 750 mA
Tj =25
oC
480
240
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 = -27 to -38 V
1
mA
∆Vo
∆T
Output Voltage Drift
Io = 5 mA
-1
mV/
oC
eN
Output Noise Voltage
B = 10Hz to 100KHz Tj =25
oC400
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
L7900
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