SI9182 Datasheet, PDF (8/10 Pages) Vishay Siliconix – Micropower 250-mA CMOS LDO Regulator With Error Flag/Power-On-Reset

Si9182
Vishay Siliconix
TYPICAL WAVEFORMS
Turn-On Sequence
V_IN 2 V/div
V_OUT 2 V/div
C_delay 2 V/div
ERROR 2 V/div
10.00 ms/div
V_IN = 4.2 V
V_OUT = 3.3 V
C_delay = 0.1 mF
C_NOISE = 0.1 mF
I_LOAD = 250 mA
Output Noise
500 mV/div
1 ms/div
V_IN = 4.2 V
V_OUT = 3.3 V
I_OUT = 150 mA
C_NOISE = 0.1 mF
BW = 10 Hz to 1 MHz
Turn-Off Sequence
V_IN
CH-3 2 V/div
V_OUT
CH-1 2 V/div
C_delay
CH-4 2 V/div
ERROR
CH-2 2 V/div
5.00 ms/div
V_IN = 4.2 V
V_OUT = 3.3 V
C_delay = 0.1 mF
C_NOISE = 0.1 mF
I_LOAD = 250 mA
Noise Spectrum
10.0
mVń ^ǸHz
0.01
100 Hz
V_IN = 4.1 V
V_OUT = 3.3 V/10 mA
C_NOISE = 0.1 mF
1 MHz
www.vishay.com
8
Document Number: 71150
S-41221—Rev. F, 28-Jun-04