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L7922CT View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
L7922CT NEGATIVE VOLTAGE REGULATORS ST-Microelectronics
STMicroelectronics ST-Microelectronics
L7922CT Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
L7900 SERIES
ELECTRICAL CHARACTERISTICS OF L7915C (refer to the test circuits, TJ = 0 to 125°C, VI = -23V,
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
-14.4 -15 -15.6 V
VO Output Voltage
IO = -5 mA to -1 A PO 15 W
VI = -18.5 to -30 V
-14.3 -15 -15.7 V
VO(*) Line Regulation
VI = -17.5 to -30 V
TJ = 25°C
300 mV
VI = -20 to -26 V
TJ = 25°C
150
VO(*) Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
300 mV
IO = 250 to 750 mA
TJ = 25°C
150
Id Quiescent Current
TJ = 25°C
3
mA
Id Quiescent Current Change IO = 5 mA to 1 A
0.5 mA
VI = -18.5 to -30 V
1
VO/T Output Voltage Drift
IO = 5 mA
-0.9
mV/°C
eN Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
250
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
1.3
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 L7918C (refer to the test circuits, TJ = 0 to 125°C, 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°C
-17.3 -18 -18.7 V
VO Output Voltage
IO = -5 mA to -1 A PO 15 W
VI = -22 to -33 V
-17.1 -18 -18.9 V
VO(*) Line Regulation
VI = -21 to -33 V
TJ = 25°C
360 mV
VI = -24 to -30 V
TJ = 25°C
180
VO(*) Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
360 mV
IO = 250 to 750 mA
TJ = 25°C
180
Id Quiescent Current
TJ = 25°C
3
mA
Id Quiescent Current Change IO = 5 mA to 1 A
0.5 mA
VI = -22 to -33 V
1
VO/T Output Voltage Drift
IO = 5 mA
-1
mV/°C
eN Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
300
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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