MCP1602 Microchip Technology Inc., MCP1602 Datasheet - Page 3

• Manufacturer Part Number: MCP1602
• Description: 2.0 Mhz, 500 Ma Synchronous Buck Regulator With Power-good
• Manufacturer: Microchip Technology Inc.

Functional Block Diagram
© 2007 Microchip Technology Inc.
V
V
V
FB
CC
Comp
Slope
IN
/ V
V
OUT
REF
UVLO
UVLO
PFM Error Amp
PWM Error Amp
OSC
EA
OV Threshold
UV Threshold
Shutdown
Thermal
S
R
TSD
Q
Q
Disable
Switcher
Band
Gap
Logic and Timing
IPEAK
IPEAK
POFF
IPEAK
SHDN
Switch Drive
PWM/PFM
PWM/PFM
PWM
PFM
Logic
PG Generator
V
PWM
REF
with Delay
-ILPK
IPEAK
Soft Start
V
OUT
-ILPK
NOFF
PFM
I
V
PK
CC
Limit
ILIM
-I
PK
PWM
Limit
V
MCP1602
REF
ILIM
PFM
V
REF
DS22061A-page 3
A
P
PG
GND
L
GND
X