MCP1725
DS22026B-page 4 © 2007 Microchip Technology Inc.
Functional Block Diagram - Fixed Output
EA
+
–
V
OUT
PMOS
R
f
C
f
I
SNS
Overtemperature
V
REF
Comp
92% of V
REF
T
DELAY
PWRGD
C
DELAY
V
IN
Driver w/limit
and SHDN
GND
Soft-Start
Sense
Undervoltage
Lock Out
V
IN
Reference
SHDN
SHDN
SHDN
Sensing
(UVLO)
