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LK112SXX45 View Datasheet(PDF) - STMicroelectronics

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LK112SXX45 Datasheet PDF : 18 Pages
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Electrical characteristics
4
Electrical characteristics
LK112Sxx
Table 5.
Symbol
Electrical characteristics for LK112S (TJ = 25 °C, VIN=VOUT+1 V (1), IOUT = 0mA,
VSHDN = 1.8 V, CI = 1µF, CO = 2.2 µF, CBYPASS = 0.1 µF unless otherwise specified)
Parameter
Test conditions
Min. Typ. Max. Unit
Id Quiescent current
VO Output voltage
ΔVO Line regulation
ΔVO Load regulation
Vd Dropout voltage
ISC Short circuit current
SVR Supply voltage rejection
eN Output noise voltage
ISHDN Shutdown input current
VSHDN Shutdown input logic
ΔVO/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 200mA
IO = 60 mA (2)
IO = 200 mA (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
30
90
mV
0.17 0.24
V
0.35 0.5
V
200
mA
55
dB
30
µVrms
12
35
µA
1.8
V
0.6
0.09
mV/°C
1. For version with output voltage less than 2V VIN=2.4V
2. Only for version with output voltage more than 2.1V
6/18
 

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