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LT3972
19
3972fa
TYPICAL APPLICATIONS
5V Step-Down Converter
3.3V Step-Down Converter
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
6.3V TO 33V
TRANSIENT
TO 62V
V
OUT
5V
3.5A
10μF
0.47μF
47μF
100k
f = 600kHz
D: ON SEMI MBRA340
L: NEC MPLC0730L4R7
D
15k
63.4k
L
4.7μH
536k
GND
680pF
ON OFF
LT3972
3972 TA02
RUN/SS BOOST
SYNC
SW
FB
V
C
PG
RT
V
IN
BD
V
IN
4.4V TO 33V
TRANSIENT
TO 62V
V
OUT
3.3V
3.5A
4.7μF
0.47μF
22μF
100k
f = 600kHz
D: ON SEMI MBRA340
L: NEC MPLC0730L3R3
D
19k
63.4k
L
3.3μH
GND
680pF
ON OFF
LT3972
3972 TA03
RUN/SS BOOST
SYNC
316k
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