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TYPICAL APPLICATIONS
3.3V Step-Down Converter with 5V Logic Rail
LT3645
12V
ON OFF
PGOOD
BOOST
VIN
SW
1μF
LT3645
DA
EN/UVLO
FB
0.1μF
6.8μH
MBRM140
31.6k
10μF
10k
3.3V
450mA
NPG
EN2
VCC2
OUT2
FB2
GND
52.3k
5V
50mA
2.2μF
10k
3645 TA06
5.5V
0.1μF
3645f
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