Datasheet

MCP1612
DS21921C-page 2  2004-2013 Microchip Technology Inc.
Functional Block Diagram
NDRV
PDRV
INSET
Circuit
IN
gm
I
SENSE
P-Channel
+
+
Slope Comp.
V
CC
P
GND
V
CC
A
GND
A
GND
A
1.2V
0.8V
–
+
FB
Comp
Leading-
Edge
Blank
Soft-
Disable
Thermal
Shutdown
SHDN
Disable
Undervoltage
Lockout
V
CC
V
IN
L
X
A
GND
P
GND
1.4 MHz Clock
UVLO
UVLO
Disable
Peak Current
Limit
V
REF
Peak Current
Limit
Disable
V
REF
Start
V
BG
(UVLO)