LTC3544_15 Datasheet, PDF (16/16 Pages) Linear Technology – Quad Synchronous Step-Down Regulator

LTC3544
RELATED PARTS
PART NUMBER
DESCRIPTION
LTC3405/LTC3405A 300mA I_OUT, 1.5MHz, Synchronous Step-Down DC/DC
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LTC3406/LTC3406B 600mA I_OUT, 1.5MHz, Synchronous Step-Down DC/DC
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LTC3407/LTC3407-2 Dual 600mA/800mA I_OUT, 1.5MHz/2.25MHz,
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600mA I_OUT, 1.7MHz/2.6MHz, Synchronous Step-Down
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1.25A I_OUT, 4MHz, Synchronous Step-Down DC/DC
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2.5A I_OUT, 4MHz, Synchronous Step-Down DC/DC
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LTC3441/LTC3442 1.2A I_OUT, 2MHz, Synchronous Buck-Boost DC/DC
LTC3443
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LTC3446
Monolithic Synchronous Buck Regulator with Dual
VLDO^TM Requlators
LTC3531/LTC3531-3 200mA I_OUT, 1.5MHz, Synchronous Buck-Boost DC/DC
LTC3531-3.3
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LTC3532
500mA I_OUT, 2MHz, Synchronous Buck-Boost DC/DC
Converter
LTC3544B
300mA, 2 × 200mA, 100mA Quad 2.25MHz
Synchronous Buck DC/DC Converter
LTC3547/LTC3547B Dual 300mA I_OUT, 2.25MHz, Synchronous Step-Down
DC/DC Converter
LTC3548/LTC3548-1 Dual 400mA/800mA I_OUT, 2.25MHz, Synchronous
LTC3548-2
Step-Down DC/DC Converters
LTC3561
1.25A I_OUT, 4MHz, Synchronous Step-Down DC/DC
Converter
ThinSOT and VLDO are trademarks of Linear Technology Corporation
COMMENTS
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 20μA,
I_SD < 1μA, ThinSOT^TM Package
96% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 20μA,
I_SD < 1μA, ThinSOT Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 40μA,
I_SD < 1μA, 10-Lead MSE, DFN Packages
96% Efficiency, V_IN: 1.6V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 65μA,
I_SD < 1μA, DFN Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 26μA,
I_SD < 1μA, SC70 Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 60μA,
I_SD < 1μA, 10-Lead MSE, DFN Packages
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 60μA,
I_SD < 1μA, 16-Lead TSSOPE Package
95% Efficiency, V_IN: 2.4V to 5.5V, V_OUT(MIN): 2.4V to 5.25V, I_Q = 50μA,
I_SD < 1μA, DFN Package
92% Efficiency, V_IN: 2.7V to 5.5V, V_OUT(MIN) = 0.4V, I_Q = 140μA,
I_SD < 1μA, 3mm × 4mm DFN Package
95% Efficiency, V_IN: 1.8V to 5.5V, V_OUT(MIN): 2V to 5V, I_Q = 16μA,
I_SD < 1μA, ThinSOT, DFN Packages
95% Efficiency, V_IN: 2.4V to 5.5V, V_OUT(MIN): 2.4V to 5.25V, I_Q = 35μA,
I_SD < 1μA, 10-Lead MSE, DFN Packages
95% Efficiency, V_IN: 2.25V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 825μA,
I_SD < 1mA, 3mm × 3mm QFN Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 40μA,
I_SD < 1μA, 8-Lead DFN Package
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.6V, I_Q = 40μA,
I_SD < 1μA, 10-Lead MSE, DFN Packages
95% Efficiency, V_IN: 2.5V to 5.5V, V_OUT(MIN) = 0.8V, I_Q = 240μA,
I_SD < 1μA, DFN Package
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3544fa
LT 0308 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2007