Datasheet

LTC3544B
18
3544bfb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
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FAX: [phone]
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www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2007
LT 0510 REV B • PRINTED IN USA
relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
LTC3544 Quad 100mA/200mA/200mA/300mA, 2.25MHz Synchronous
Step-Down DC/DC Converter
95% Efficiency, V
IN(MIN)
: 2.3V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 70µA,
I
SD
< 1µA, 3mm × 3mm QFN-16 Package
LTC3545/
LTC3545-1
Triple, 800mA ×3, 2.25MHz Synchronous Step-Down DC/DC
Converter
95% Efficiency, V
IN(MIN)
: 2.3V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 58µA,
I
SD
< 1µA, 3mm × 3mm QFN-16 Package
LTC3562 Quad, I
2
C Interface, 600mA/600mA/400mA/400mA, 2.25MHz
Synchronous Step-Down DC/DC Converter
95% Efficiency, V
IN(MIN)
: 2.9V to 5.5V, V
OUT(MIN)
= 0.425V, I
Q
= 100µA,
I
SD
< 1µA, 3mm × 3mm QFN-20 Package
LTC3547/
LTC3547B
Dual 300mA, 2.25MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40µA,
I
SD
< 1µA, DFN-8 Package
LTC3417A-2 Dual 1.5A/1A, 4MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
IN(MIN)
: 2.3V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 125µA,
I
SD
< 1µA, TSSOP-16E, 3mm × 5mm DFN-16 Packages
LTC3407A/
LTC3407A-2
Dual 600mA/600mA 1.5MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40µA,
I
SD
< 1µA, MS10E, 3mm × 3mm DFN-10 Packages
LTC3419/
LTC3419-1
Dual 600mA/600mA 2.25MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 35µA,
I
SD
< 1µA, MS10, 3mm × 3mm DFN-10 Packages
LTC3548/
LTC3548-1/
LTC3548-2
Dual 400mA and 800mA I
OUT
, 2.25MHz, Synchronous Step-
Down DC/DC Converter
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40µA,
I
SD
< 1µA, MS10E, 3mm × 3mm DFN-10 Packages