LTC3546 Datasheet, PDF (28/28 Pages) Linear Technology – Dual Synchronous, 3A/1A or 2A/2A Confi gurable Step-Down DC/DC Regulator

LTC3546
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DESCRIPTION
600mA, 1.5MHz, Synchronous Step-Down DC/DC
Converters
Dual 800mA/800mA 2.25MHz, Synchronous Step-
Down DC/DC Converter
600mA, 1.7MHz/2.6MHz, Synchronous Step-Down
DC/DC Converter
300mA, 2.25MHz, Synchronous Step-Down DC/DC
Converters
1.25A, 4MHz, Synchronous Step-Down DC/DC
Converter
2.5A, 4MHz, Synchronous Step-Down DC/DC
Converter
Dual 1.5A/1A, 4MHz, Synchronous Step-Down DC/DC
Converter
Dual 600mA/600mA 2.25MHz, Synchronous Step-
Down DC/DC Converters
500mA, 2.25MHz, Synchronous Step-Down DC/DC
Converter
Quad 100mA/200mA/200mA/300mA, 2.25MHz
Synchronous Step-Down DC/DC Converters
Triple, 800mA ×3, 2.25MHz Synchronous Step-Down
DC/DC Converters
Dual 300mA, 2.25MHz, Synchronous Step-Down
DC/DC Converters
Dual 400mA and 800mA I_OUT, 2.25MHz, Synchronous
Step-Down DC/DC Converters
800mA 2.25MHz, Synchronous Step-Down DC/DC
Converter
1.25A, 4MHz, Synchronous Step-Down DC/DC
Converter
Quad, I²C Interface, 600mA/600mA/400mA/400mA ,
2.25MHz Synchronous Step-Down DC/DC Converter
COMMENTS
96% Efficiency, V_IN(MIN): 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 20μA, I_SD <1μA,
ThinSOT Package
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
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
95% Efficiency, V_IN(MIN): 2.5V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 26μA, I_SD <1μA,
SC70 Package
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
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
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
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
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
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
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
95% Efficiency, V_IN(MIN): 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 40μA, I_SD <1μA,
DFN-8 Package
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
95% Efficiency, V_IN(MIN): 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 16μA, I_SD <1μA,
ThinSOT Package
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
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
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3546f
LT 0109 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2009