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L7906CT View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
L7906CT NEGATIVE VOLTAGE REGULATORS ST-Microelectronics
STMicroelectronics ST-Microelectronics
L7906CT Datasheet PDF : 16 Pages
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L7900 SERIES
ELECTRICAL CHARACTERISTICS OF L7920C (refer to the test circuits, TJ = 0 to 125°C, 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°C
-19.2 -20 -20.8 V
VO Output Voltage
IO = -5 mA to -1 A PO 15 W
VI = -24 to -35 V
-19 -20 -21
V
VO(*) Line Regulation
VI = -23 to -35 V
TJ = 25°C
400 mV
VI = -26 to -32 V
TJ = 25°C
200
VO(*) Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
400 mV
IO = 250 to 750 mA
TJ = 25°C
200
Id Quiescent Current
TJ = 25°C
3
mA
Id Quiescent Current Change IO = 5 mA to 1 A
0.5 mA
VI = -24 to -35 V
1
VO/T Output Voltage Drift
IO = 5 mA
-1.1
mV/°C
eN Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
350
µV
SVR Supply Voltage Rejection VI = 10 V f = 120Hz
54
60
dB
Vd Dropout Voltage
IO = 1 A
TJ = 25°C VO = 100 mV
1.1
V
Isc Short Circuit Current
0.9
A
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
ELECTRICAL CHARACTERISTICS OF L7922C (refer to the test circuits, TJ = 0 to 125°C, 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°C
-21.1 -22 -22.9 V
VO Output Voltage
IO = -5 mA to -1 A PO 15 W
VI = -26 to -37 V
-20.9 -22 -23.1 V
VO(*) Line Regulation
VI = -25 to -37 V
TJ = 25°C
440 mV
VI = -28 to -34 V
TJ = 25°C
220
VO(*) Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
440 mV
IO = 250 to 750 mA
TJ = 25°C
220
Id Quiescent Current
TJ = 25°C
3
mA
Id Quiescent Current Change IO = 5 mA to 1 A
0.5 mA
VI = -26 to -37 V
1
VO/T Output Voltage Drift
IO = 5 mA
-1.1
mV/°C
eN Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
375
µV
SVR Supply Voltage Rejection VI = 10 V f = 120Hz
54
60
dB
Vd Dropout Voltage
IO = 1 A
TJ = 25°C VO = 100 mV
1.1
V
Isc Short Circuit Current
1.1
A
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
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