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| LK112 Datasheet, PDF (3/12 Pages) STMicroelectronics – LOW NOISE LOW DROP VOLTAGE REGULATOR WITH SHUTDOWN FUNCTION | |||
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LK112 SERIES
ELECTRICAL CHARACTERISTICS FOR LK112 (Tj = 25°C, VIN=VOUT+1V (see Note 1), IOUT=0mA,
VSHDN=1.8V, CI = 1 µF, CO = 2.2µF, CBYPASS = 0.1µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
Id Quiescent Current
VO Output Voltage
âVO Line Regulation
âVO Load Regulation
Vd Dropout Voltage
IO Output Current Limit
SVR Supply Voltage Rejection
eN Output Noise Voltage
ISHDN Shutdown Input Current
VSHDN Shutdown Input Logic
âVO/Tj Output Voltage
Temperature Coefficient
ON MODE (except ISHDN)
OFF MODE VI = 8V
VSHDN = 0V
IO = 30mA
VI = VO+1V to VO+6V,
VO ⤠5.6V
VI = VO+1V to VO+6V,
VO > 5.6V
IO = 1 to 60mA
IO = 1 to 150mA
IO = 60 mA (see Note 2)
IO = 150 mA (see Note 2)
VI = VO+1.5V
CBYP = 0.1µF
CO = 10µF f = 400Hz IO = 30mA
B= 10Hz to 80KHz CBYP = 0.1µF
CO = 10µF VI = VO+1.5V,IO = 60mA
VSHDN = 1.8V
Output ON
Output ON
Output OFF
IO = 10mA
175 250
µA
0
0.1
µA
(see table)
0.7
20
mV
0.8
40
mV
15
30
mV
25
90
mV
0.17 0.24
V
0.29 0.35
V
150
mA
55
dB
30
µVrms
12
35
µA
1.8
V
0.6
V
0.09
mV/°C
Note 1: for version with output voltage less than 2V VIN=2.4V
Note 2: only for version with output voltage more than 2.1V
3/12
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