SI9183_05 Datasheet, PDF (7/11 Pages) Vishay Siliconix – High-Performance, Size Saving 150-mA CMOS LDO Regulator

Si9183
Vishay Siliconix
TYPICAL CHARACTERISTICS (INTERNALLY REGULATED, 25_C UNLESS NOTED)
I_SC vs. Temperature
0.75
V_OUT = 2.5 V
0.65
Power Supply Rejection
0
C_IN = 1 mF
C_OUT = 2.2 mF
I_LOAD = 150 mA
−20
0.55
−40
0.45
−60
0.35
0.25
−40
−15
10
35
60
85
Ambient Temperature
TYPICAL WAVEFORMS
Turn-On Delay
SD 2 V/div
−80
10
100
1K
10 K
100 K 1 M
Frequency (Hz)
SD 2 V/div
Turn-Off Delay
V_OUT 2 V/div
V_OUT 2 V/div
10.00 ms/div
V_IN = 4.2 V
V_OUT = 3.3 V
C_BP = 0.1 mF
I_LOAD = 350 mA
Output Noise
100 mV/div
5.00 ms/div
10.0
V_IN = 4.2 V
V_OUT = 3.3 V
C_BP = 0.1 mF
I_LOAD = 350 mA
Noise Spectrum
mVń ^ǸHz
1 ms/div
V_IN = 4 V
V_OUT = 3 V
I_OUT = 150 mA
C_IN = 1 mF
C_OUT = 2.2 mF
C_BP = 0.1 mF
BW = 10 Hz to 1 MHz
Document Number: 71258
S-51147—Rev. G, 20-Jun-05
0.01
100 Hz
V_IN = 4 V
V_OUT = 3
I_OUT = 150 mA
C_IN = 1 mF
C_OUT = 2.2 mF
C_BP = 0.1 mF
1 MHz
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