SI91821 Datasheet, PDF (10/10 Pages) Vishay Siliconix – Micropower 300-mA CMOS LDO Regulator With Error Flag

Si91821
Vishay Siliconix
TYPICAL WAVEFORMS
Turn-On Sequence
V_IN 2 V/div
V_OUT 2 V/div
ERROR 2 V/div
100 ms/div
V_IN = 4 V
V_OUT = 2.775 V
C_NOISE = 0.033 mF
I_LOAD = 300 mA
Output Noise
200 mV/div
10 ms/div
V_IN = 3.80 V
V_OUT = 2.775 V
I_OUT = 300 mA
C_NOISE = 0.033 mF
BW = 10 Hz to 1 MHz
V_IN
CH-3 2 V/div
V_OUT
CH-1 2 V/div
Turn-Off Sequence
ERROR
CH-2 2 V/div
20 ms/div
20.0
V_IN = 4 V
V_OUT = 2.775 V
C_NOISE = 0.033 mF
I_LOAD = 300 mA
Noise Spectrum
mVń ^ǸHz
0.01
10 Hz
V_IN = 3.80 V
V_OUT = 2.775 V/10 mA
C_NOISE = 0.033 mF
1 MHz
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and
Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability data, see
http://www.vishay.com/ppg?71614.
www.vishay.com
10
Document Number: 71614
S-51147–Rev. E, 20-Jun-05