MCP1801
DS22051D-page 2 2010 Microchip Technology Inc.
Functional Block Diagram
Typical Application Circuit
+
-
MCP1801
V
IN
V
OUT
GND
+V
IN
Error Amplifier
Voltage
Reference
Current Limiter
Shutdown
Control
SHDN
+V
IN
MCP1801
V
IN
C
IN
1µF
C
OUT
1µF Ceramic
V
IN
9V
Battery
+
V
OUT
NC
G
ND
SHDN
Ceramic
V
OUT
3.3V @ 40 mA
1
2
3
5
4
