MCP1603-120I/OS MICROCHIP [Microchip Technology], MCP1603-120I/OS Datasheet - Page 3
![no-image](/images/no-image-200.jpg)
MCP1603-120I/OS
Manufacturer Part Number
MCP1603-120I/OS
Description
2.0 MHz, 500 mA Synchronous Buck Regulator
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP1603-120IOS.pdf
(26 pages)
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Functional Block Diagram
© 2007 Microchip Technology Inc.
V
V
FB
IN
Comp
Slope
/ V
OUT
V
REF
UVLO
UVLO
PFM Error Amp
PWM Error Amp
OSC
EA
OV Threshold
UV Threshold
Shutdown
Thermal
TSD
S
R
Q
Q
IPEAK
IPEAK
Band
Gap
PWM
PFM
IPEAK
POFF
Logic and timing
SHDN
Switch Drive
PWM/PFM
PWM/PFM
Logic
PWM
IPEAK
Disable
Switcher
-ILPK
Soft Start
NOFF
I
-ILPK
PK
PFM
Limit
-I
ILIM
PK
Limit
PWM
V
REF
ILIM
MCP1603
PFM
V
REF
DS22042A-page 3
GND
L
UVLO
TSD
X
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