lt3680 Linear Technology Corporation, lt3680 Datasheet - Page 19

• Manufacturer Part Number: lt3680
• Description: 36v, 3.5a, 2.4mhz Step-down Switching Regulator With 75?a Quiescent Current
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
4.4V TO 36V
4V TO 36V
4.7μF
4.7μF
V
V
IN
IN
D1: ON SEMI MBRA340
D2: MBR0540
L: NEC MPLC0730L3R3
D: ON SEMI MBRA340
L: NEC MPLC0730L3R3
680pF
680pF
15.4k
19k
63.4k
63.4k
ON OFF
ON OFF
3.3V Step-Down Converter
2.5V Step-Down Converter
f = 600kHz
f = 600kHz
RUN/SS
V
RT
PG
SYNC
RUN/SS
V
RT
PG
SYNC
C
C
V
V
IN
IN
LT3680
LT3680
GND
GND
BD
BOOST
BD
BOOST
SW
SW
FB
FB
100k
100k
1μF
0.47μF
D1
D
D2
215k
316k
3.3μH
3.3μH
L
L
3680 TA04
3680 TA03
47μF
V
2.5V
3.5A
22μF
V
3.3V
3.5A
OUT
OUT
LT3680
19
3680f