© 2007 Microchip Technology Inc. DS22001C-page 5
MCP1827/MCP1827S
Functional Block Diagram - Fixed Output (3-Pin)
EA
+
–
V
OUT
PMOS
R
f
C
f
I
SNS
V
REF
Comp
92% of V
REF
T
DELAY
V
IN
GND
Soft-Start
Sense
V
IN
Reference
SHDN
SHDN
SHDN
Overtemperature
Driver w/limit
and SHDN
Undervoltage
Lock Out
Sensing
(UVLO)
