Datasheet
LTC3546
30
3546fc
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relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
LTC3406A/
LTC3406B
600mA, 1.5MHz, Synchronous Step-Down DC/DC
Converters
96% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 20µA, I
SD
< 1µA,
ThinSOT™ Package
LTC3407A-2 Dual 800mA/800mA 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
LTC3409 600mA, 1.7MHz/2.6MHz, Synchronous Step-Down
DC/DC Converter
96% Efficiency, V
IN(MIN)
: 1.6V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 65µA, I
SD
< 1µA,
3mm × 3mm DFN-8 Package
LTC3410/
LTC3410B
300mA, 2.25MHz, Synchronous Step-Down DC/DC
Converters
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 26µA, I
SD
< 1µA,
SC70 Package
LTC3411A 1.25A, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60µA, I
SD
< 1µA,
MS10, 3mm × 3mm DFN-10 Packages
LTC3412A 2.5A, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60µA, I
SD
< 1µA,
4mm × 4mm QFN-16, TSSOP-16E Packages
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
LTC3419/
LTC3419-1
Dual 600mA/600mA 2.25MHz, Synchronous Step-
Down DC/DC Converters
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
LTC3542 500mA, 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
= 26µA, I
SD
< 1µA,
2mm × 2mm DFN-6, ThinSOT Packages
LTC3544/
LTC3544B
Quad 100mA/200mA/200mA/300mA, 2.25MHz
Synchronous Step-Down DC/DC Converters
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 Converters
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
LTC3547/
LTC3547B
Dual 300mA, 2.25MHz, Synchronous Step-Down
DC/DC Converters
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40µA, I
SD
< 1µA,
DFN-8 Package
LTC3548/
LTC3548-1/
LTC3548-2
Dual 400mA and 800mA I
OUT
, 2.25MHz, Synchronous
Step-Down DC/DC Converters
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
LTC3560 800mA 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
= 16µA, I
SD
< 1µA,
ThinSOT Package
LTC3561 1.25A, 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efficiency, V
IN(MIN)
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 240µA, I
SD
< 1µA,
3mm × 3mm DFN-8 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
ThinSOT is a trademark of Linear Technology Corporation.
LINEAR TECHNOLOGY CORPORATION 2009
LT 0313 REV C • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/3546