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L7952C View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
L7952C
ST-Microelectronics
STMicroelectronics ST-Microelectronics
L7952C Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
L7900 SERIES
ELECTRICAL CHARACTERISTICS OF L7908C (refer to the test circuits, TJ = 0 to 125°C, VI = -14V,
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
-7.7
-8
-8.3
V
VO Output Voltage
IO = -5 mA to -1 A PO 15 W
VI = -11.5 to -23 V
-7.6
-8
-8.4
V
VO(*) Line Regulation
VI = -10.5 to -25 V
TJ = 25°C
160 mV
VI = -11 to -17 V
TJ = 25°C
80
VO(*) Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
160 mV
IO = 250 to 750 mA
TJ = 25°C
80
Id Quiescent Current
TJ = 25°C
3
mA
Id Quiescent Current Change IO = 5 mA to 1 A
0.5 mA
VI = -11.5 to -25 V
1
VO/T Output Voltage Drift
IO = 5 mA
-0.6
mV/°C
eN Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
175
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
1.5
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 L7912C (refer to the test circuits, TJ = 0 to 125°C, VI = -19V,
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
-11.5 -12 -12.5 V
VO Output Voltage
IO = -5 mA to -1 A PO 15 W
VI = -15.5 to -27 V
-11.4 -12 -12.6 V
VO(*) Line Regulation
VI = -14.5 to -30 V
TJ = 25°C
240 mV
VI = -16 to -22 V
TJ = 25°C
120
VO(*) Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
240 mV
IO = 250 to 750 mA
TJ = 25°C
120
Id Quiescent Current
TJ = 25°C
3
mA
Id Quiescent Current Change IO = 5 mA to 1 A
0.5 mA
VI = -15 to -30 V
1
VO/T Output Voltage Drift
IO = 5 mA
-0.8
mV/°C
eN Output Noise Voltage
B = 10Hz to 100KHz
TJ = 25°C
200
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
1.5
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.
5/16
 

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