Datasheet
2004-2013 Microchip Technology Inc. DS21876B-page 3
MCP1650/51/52/53
MCP1651/2/3 Block Diagram
Vin
CS
EXT
MCP1650/51/52/53
SHDN
GND
+
-
Low Battery
Comparator
1.22 Vref
LBI
LBO
+
-
Power Good
Comparators
PG
85% of Vref
V
IN
+
-
115% of Vref
V
IN
MCP1651 - Low Battery Detection
MCP1652 - Power Good Indication
A
MCP1650 - No Features
MCP1651 - Low Battery Detection
MCP1652 - Power Good Indication
MCP1653 - Low Battery Detection and PG
MCP1650
VFB
Vref. (1.22V)
MCP1653 - LBI and PG Features