lt3681 Linear Technology Corporation, lt3681 Datasheet - Page 22

• Manufacturer Part Number: lt3681
• Description: 36v, 2a, 2.8mhz Step-down Switching Regulator With Integrated Power Schottky Diode
• Manufacturer: Linear Technology Corporation

LT3681
TYPICAL APPLICATIONS
22
15V TO 34V
3.6V TO 27V
10 F
V
10µF
IN
V
IN
L: SUMIDA CDRH8D43-100
470pF
L: SUMIDA CDRH8D28-3R3
330pF
24k
15k
60.4k
ON OFF
105k
ON OFF
f = 800kHz
1.8V Step-Down Converter
12V Step-Down Converter
f = 500kHz
RUN/SS
V
RT
PG
RUN/SS
V
RT
PG
C
C
V
IN
V
IN
LT3681
GND
LT3681
GND
BD
BOOST
BD
BOOST
BIAS
SW
BIAS
DC
DA
FB
SW
DC
DA
FB
100k
200k
0.47 F
0.47µF
845k
84.5k
10 H
3.3µH
L
L
3681 TA06
3681 TA09
22 F
V
12V
2A
47µF
V
1.8V
2A
OUT
OUT
3681f