LTC3603
22
3603fc
For more information www.linear.com/LTC3603
relateD parts
PART NUMBER DESCRIPTION COMMENTS
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
< 14µA, 3mm × 3mm QFN16, MSOP16E
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 QFN24
LTC3609 32V, 6A (I
OUT
), 1MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 4V to 32V, V
OUT(MIN)
= 0.6V,
I
Q
= 900µA, I
SD
< 15µA, 7mm × 8mm QFN52
LTC3612 6V, 3A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 70µA, I
SD
< 1µA, 3mm × 4mm QFN20, TSSOP20E
LTC3412A 3A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 60µA, I
SD
< 1µA, TSSOP16E, 4mm × 4mm QFN16
LTC3413 3A (I
OUT
Sink/Source), 2MHz, Monolithic Synchronous Regulator for DDR/
QDR Memory Termination
90% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= V
REF
/2,
I
Q
= 280µA, I
SD
< 1µA, TSSOP16E
LTC3414 4A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 64µA, I
SD
< 1µA, TSSOP20E
LTC3415 7A (I
OUT
), 1.5MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V,
I
Q
= 450µA, I
SD
< 1µA, 5mm × 7mm QFN38
LTC3416 4A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter with Tracking 95% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 64µA, I
SD
< 1µA, TSSOP20E
LTC3418 8A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 2.25V to 5.5V, V
OUT(MIN)
= 0.8V,
I
Q
= 380µA, I
SD
< 1µA, 5mm × 7mm QFN38
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, TSSOP16E, 4mm × 4mm QFN20
LTC3608 18V, 8A (I
OUT
), 1MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 4V to 18V, V
OUT(MIN)
= 0.6V,
I
Q
= 900µA, I
SD
< 15µA, 5mm × 7mm QFN52
LTC3610 24V, 12A (I
OUT
), 1MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 4V to 24V, V
OUT(MIN)
= 0.6V,
I
Q
= 900µA, I
SD
< 15µA, 9mm × 9mm QFN64
LTC3611 32V, 10A (I
OUT
), 1MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN
: 4V to 32V, V
OUT(MIN)
= 0.6V,
I
Q
= 900µA, I
SD
< 15µA, 9mm × 9mm QFN64
typical application
C
IN
22µF
V
IN
12V
V
OUT
3.3V
2.5A
3603 TA06
D1
L1
2.2µH
R
OSC
105k
R
ITH
4.32k
R1
105k
R
PG
200k
L1: VISHAY IHLP2525CZER2R2MO1
C
IN
: TAIYO YUDEN TMK325BJ226MM-T
C
OUT
:
TDK
C3225X5ROJ107M
C
VCC
1µF
C
ITH
1nF
C
OUT
100µF
SYNC/MODE
PGOOD
RT
ITH
V
FB
RUN
TRACK/SS
PGND
INTV
CC
PV
IN
PV
IN
BOOST
SW
SW
SW
PGND
PGND
LTC3603
R2
475k
C
BST
0.22µF
PGOOD
C
FB
10pF
12V to 3.3V, 2.5A Regulator at 1MHz, Burst Mode Operation
LINEAR TECHNOLOGY CORPORATION 2009
LT 0413 REV C • PRINTED IN USA
22
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC3603
