MAX1672 Maxim, MAX1672 Datasheet - Page 6
MAX1672
Manufacturer Part Number
MAX1672
Description
Step-Up/Down DC-DC Converter in QSOP Package
Manufacturer
Maxim
Datasheet
1.MAX1672.pdf
(12 pages)
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Step-Up/Down DC-DC Converter
in QSOP Package
Figure 1. Functional Diagram
6
_______________________________________________________________________________________
ONA
ONB
PGO
REF
PGI
3/5
FB
IN
70mV
OUT
REF
REF
FB
GENERATOR
REFERENCE
PS
INPUT
MONITOR
ERROR
AMP 2
REF
REF + OFFSET
FB2
FB1
GENERATOR
FIXED T
N
T
FB
ON
CURRENT-LIMIT
COMPARATOR
OFF
OFF
MAX1672
ERROR
AMP 1
DRV
100mV
N
P
N
GND
LX
ILIM
PGND
PS
OUT