LTC3633
28
3633fd
For more information www.linear.com/LTC3633
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LINEAR TECHNOLOGY CORPORATION 2010
LT 0515 REV D • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART
NUMBER
DESCRIPTION COMMENTS
LTC3605 15V, 5A (I
OUT
), 4MHz, Synchronous Step-Down DC/
DC Converter
95% Efficiency, V
IN
: 4V to 15V, V
OUT(MIN)
= 0.6V, I
Q
= 2mA, I
SD
< 15µA,
4mm × 4mm QFN-24
LTC3603 15V
, 2.5A (I
OUT
), 3MHz, Synchronous Step-Down DC/
DC Converter
95% Efficiency, V
IN
: 4.5V to 15V, V
OUT(MIN)
= 0.6V, I
Q
= 75µA, I
SD
< 1µA,
4mm × 4mm QFN-20, MSOP-16E
LTC3602 10V
, 2.5A (I
OUT
), 3MHz, Synchronous Step-Down DC/
DC Converter
95% Efficiency, V
IN
: 4.5V to 10V, V
OUT(MIN)
= 0.6V, I
Q
= 75µA, I
SD
< 1µA,
3mm × 3mm QFN-16, MSOP-16E
LTC3601 15V
, 1.5A (I
OUT
), 4MHz, Synchronous Step-Down DC/
DC Converter
95% Efficiency, V
IN
: 4.5V to 15V, V
OUT(MIN)
= 0.6V, I
Q
= 300µA, I
SD
< 1µA,
4mm × 4mm QFN-20, MSOP-16E
3.3V/1.8V Buck Regulator with 2.5V LDO Output
RUN1
RUN2
RT
LTC3633
BOOST2
0.1µF
L2
0.68µH
R4
20k
R3
10k
SW2
V
ON2
V
IN2
V
IN1
V
FB2
BOOST1
SW1
V
ON1
V
FB1
C
OUT2
47µF
V
OUT2
0.1µF
1µF
L1
1µH
R2
45.3k
R1
10k
C
OUT1
22µF
V
OUT1
2.5V AT 10mA
IN
12V
C1
47µF
×2
R5
162k
V2P5
ITH1
PHMODE
ITH2
MODE/SYNC
INTV
CC
C2
2.2µF
PGNDSGND
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC3633
