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MAX1672EEE

Step-Up/Down DC-DC Converter in QSOP Package

Maxim Integrated 

Step-Up/Down DC-DC Converter

in QSOP Package

REF

ERROR

AMP 2

FB

∆TON

FIXED TOFF

DRV

GENERATOR

OFF

LX

N

IN

OUT

INPUT

MONITOR

CURRENT-LIMIT

COMPARATOR

100mV

PS

ONA

REF

REFERENCE

ONB

GENERATOR REF + OFFSET

MAX1672

REF

ERROR

P

AMP 1

FB2

FB

FB

FB1

70mV

3/5

PGO

REF

N

N

PGI

ILIM

PGND

PS

OUT

GND

Figure 1. Functional Diagram

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