Datasheet

LTC3604
24
3604f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2010
LT 0110 • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC3603 15V, 2.5A (I
OUT
), 3MHz, Synchronous Step-Down DC/DC Converter 95% Effi ciency, V
IN
: 4.5V to 15V, V
OUT(MIN)
= 0.6V, I
Q
= 75µA,
I
SD
< 1µA, 4mm × 4mm QFN20
LTC3602 10V, 2.5A (I
OUT
), 3MHz, Synchronous Step-Down DC/DC Converter 95% Effi ciency, V
IN
: 4.5V to 10V, V
OUT(MIN)
= 0.6V, I
Q
= 75µA,
I
SD
< 1µA, 4mm × 4mm QFN20, TSSOP16E
LTC3601 15V, 1.5A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 96% Effi ciency, V
IN
: 4V to 15V, V
OUT(MIN)
= 0.6V, I
Q
= 300µA,
I
SD
< 15µA, 3mm × 3mm QFN16, MSE16
LTC3605 15V, 5A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Effi ciency, V
IN
: 4.5V to 15V, V
OUT(MIN)
= 0.6V, I
Q
= 2mA,
I
SD
< 15µA, 4mm × 4mm QFN24
LTC3610 24V, 12A (I
OUT
), 1MHz, Synchronous Step-Down DC/DC Converter 95% Effi ciency, 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% Effi ciency, V
IN
: 4V to 32V, V
OUT(MIN)
= 0.6V, I
Q
= 900µA,
I
SD
< 15µA, 9mm × 9mm QFN64
TYPICAL APPLICATION
1.2V Output at 2MHz Operating Frequency
V
IN
RUN
PGOOD
TRACK/SS
LTC3604
PGNDSGND
INTV
CC
ITH
RT
MODE/SYNC
BOOST
SW
V
ON
FB
0.1µF
C
OUT
47µF
V
OUT
1.2V
2.5A
R1
20k
C
F
22pF
R2
20k
3604 TA04a
L1
0.68µH
C2
2.2µF
C1
22µF
V
IN
C
IN
: TDK C3225X5R1C226M
C
OUT
: TDK C3225X5R0J476M
L1: VISHAY IHLP2020BZERR68M01
Effi ciency vs Load Current
LOAD CURRENT (A)
0.01
40
EFFICIENCY (%)
50
60
70
80
0.1 1 10
3604 TA04b
30
20
10
0
90
100
V
IN
= 8V
V
IN
= 15V