SI9185 Datasheet, PDF (6/12 Pages) Vishay Siliconix – Micropower 500-mA CMOS LDO Regulator

Si9185
Vishay Siliconix
TYPICAL CHARACTERISTICS (INTERNALLY REGULATED, 25_C UNLESS NOTED)
Dropout Voltage vs. Load Current
300
V_OUT = 3.0 V
250
200
150
100
50
0
0
300
250
200
100 200 300 400 500 600
I_LOAD (mA)
Dropout Voltage vs. Temperature
I_OUT = 500 mA
V_OUT = 3.0 V
150
100
I_OUT = 200 mA
50
0
–50 –25
0 25 50 75 100
Junction Temperature (_C)
I_OUT = 10 mA
I_OUT = 0 mA
125 150
Normalized Output Voltage vs. Load Current
0.30
0.15
0.00
–0.15
–0.30
–0.45
–0.60
–0.75
0
50 100 150 200 250 300 350 400 450 500
Load Current (mA)
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6
Dropout Characteristic
3.5
3.0
R_LOAD = 16.5 W
2.5
2.0
1.5
1.0
0.5
0.0
0
1
2
3
4
5
6
V_IN (V)
Dropout Voltage vs. V_OUT
400
350
300
250
I_OUT = 500 mA
200
150
I_OUT = 200 mA
100
50
I_OUT = 10 mA
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V_OUT
Normalized V_OUT vs. Temperature
0.2
I_OUT = 1 mA
–0.0
–0.2
–0.4
–0.6
I_OUT = 200 mA
I_OUT = 500 mA
–0.8
–1.0
–40 –20
0 20 40 60 80 100 120 140
Junction Temperature (_C)
Document Number: 71765
S-20641—Rev. B, 06-May-02