SI9183_05 Datasheet, PDF (9/11 Pages) Vishay Siliconix – High-Performance, Size Saving 150-mA CMOS LDO Regulator

BLOCK DIAGRAMS
4 BP
1
V_IN
C_IN
1.0 mF
3
SD
ON
OFF
RFB2
+
−
6 MW
RFB1
Si9183
Vishay Siliconix
Switches shown for device in normal operating mode (SD = HIGH)
5
C_OUT
2.2 mF
V_OUT
2
GND
+
1.215 V
−
V_REF
FIGURE 4. 150-mA CMOS LDO Regulator (Fixed Output)
1
V_IN
C_IN
1.0 mF
4 FB
3
SD
ON
+
OFF
−
6 MW
V_FB
5
C_OUT
2.2 mF
R₂
R₁
V_OUT
2
GND
Document Number: 71258
S-51147—Rev. G, 20-Jun-05
+
1.215 V
−
V_REF
FIGURE 5. 150-mA CMOS LDO Regulator (Adjustable Output)
www.vishay.com
9