LTC3633 LINER [Linear Technology], LTC3633 Datasheet - Page 28

• Manufacturer Part Number: LTC3633
• Description: Dual Channel 3A, 15V Monolithic Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

LTC3633
TYPICAL APPLICATION
RELATED PARTS
PART
NUMBER
LTC3605
LTC3603
LTC3602
LTC3601
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
15V, 5A (I
DC/DC Converter
15V, 2.5A (I
DC/DC Converter
10V, 2.5A (I
DC/DC Converter
15V, 1.5A (I
DC/DC Converter
1.8V AT 3A
OUT
V
●
OUT
OUT
OUT
OUT2
C
V
FAX: [phone]
47μF
47μF
), 4MHz, Synchronous Step-Down
OUT2
IN
162k
C1
), 3MHz, Synchronous Step-Down
), 3MHz, Synchronous Step-Down
), 4MHz, Synchronous Step-Down
×2
R5
0.68μH
L2
20k
R4
3.3V/1.8V Buck Regulator with 2.5V LDO Output
●
0.1μF
www.linear.com
10k
R3
RUN1
RUN2
RT
BOOST2
SW2
V
V
ON2
FB2
SGND
COMMENTS
95% Effi ciency, V
4mm × 4mm QFN-24
95% Effi ciency, V
4mm × 4mm QFN-20, MSOP-16E
95% Effi ciency, V
3mm × 3mm QFN-16, MSOP-16E
95% Effi ciency, V
4mm × 4mm QFN-20, MSOP-16E
V
IN2
LTC3633
PGND
V
MODE/SYNC
IN1
PHMODE
BOOST1
INTV
V2P5
V
ITH1
ITH2
SW1
V
ON1
FB1
CC
IN
IN
IN
IN
: 4V to 15V, V
: 4.5V to 15V, V
: 4.5V to 10V, V
: 4.5V to 15V, V
2.5V AT 10mA
R1
10k
0.1μF
45.3k
C2
2.2μF
OUT(MIN)
R2
OUT(MIN)
OUT(MIN)
OUT(MIN)
1μH
L1
= 0.6V, I
= 0.6V, I
= 0.6V, I
= 0.6V, I
© LINEAR TECHNOLOGY CORPORATION 2010
C
22μF
OUT1
V
Q
3.3V AT 3A
OUT1
= 2mA, I
Q
Q
Q
= 75μA, I
= 75μA, I
= 300μA, I
3633 TA04
LT 0110 • PRINTED IN USA
SD
SD
SD
< 15μA,
SD
< 1μA,
< 1μA,
< 1μA,
3633f