LTC3534
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For more information www.linear.com/LTC3534
LINEAR TECHNOLOGY CORPORATION 2009
LT 0214 REV B • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC3534
relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
LTC3125 1.2A (I
SW
), 1.5MHz, Synchronous Step-Up DC/DC
Converter with Programmable Input Current
93% Efficiency, V
IN
: 1.8V to 5V, V
OUT(MAX)
= 5.25V,
I
Q
= 15µA, I
SD
< 1µA, ±5% Input Current Accuracy,
200mA to 1A Program Range, 2mm × 3mm DFN Package
LTC3421 3A (I
SW
), 3MHz, Synchronous
Step-Up DC/DC Converter with Output Disconnect
96% Efficiency, V
IN
: 0.5V to 4.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 12µA, I
SD
<1µA, QFN24 Package
LTC3422 1.5A (I
SW
), 3MHz, Synchronous
Step-Up DC/DC Converter with Output Disconnect
96% Efficiency, V
IN
: 0.5V to 4.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 25µA, I
SD
<1µA, DFN10 Package
LTC3425 5A (I
SW
), 8MHz (Low Ripple), 4-Phase Synchronous
Step-Up DC/DC Converter with Output Disconnect
95% Efficiency, V
IN
: 0.5V to 4.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 12µA, I
SD
<1µA, QFN32 Package
LTC3429 600mA (I
SW
), 500KHz, Synchronous Step-Up DC/DC
Converter with Output Disconnect and Soft-Start
96% Efficiency, V
IN
: 0.5V to 4.4V, V
OUT(MAX)
= 5V,
I
Q
= 20µA, I
SD
<1µA, ThinSOT-23 Package
LTC3440 600mA (I
OUT
), 2MHz, Synchronous Buck-Boost
DC/DC Converter
96% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MAX)
= 5.5V,
I
Q
= 25µA, I
SD
<1µA, MSOP and DFN Packages
LTC3441/LTC3443 1.2A (I
OUT
), 1MHz/600kHz, Synchronous Buck-Boost
DC/DC Converter
95%/96% Efficiency, V
IN
: 2.4V to 5.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 35µA/28µA, I
SD
<1µA, MSOP Packages
LTC3442 1.2A (I
OUT
), 2MHz, Synchronous Buck-Boost
DC/DC Converter
95% Efficiency, V
IN
: 2.4V to 5.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 25µA, I
SD
<1µA, DFN Package
LTC3444 400mA (I
OUT
), 1.5MHz, Synchronous Buck-Boost
DC/DC Converter with wide V
OUT
Range
93% Efficiency, V
IN
: 2.7V to 5.5V, V
OUT
: 0.5V to 5V,
I
SD
<1µA, DFN Package, Ideal for WCDMA PA Bias
LTC3520 1A (I
OUT
), 2MHz Synchronous Buck-Boost, 600mA
Buck DC/DC Converter
95% Efficiency, V
IN
: 2.2V to 5.5V, V
OUT(MAX)
= 5.25V, V
OUT(MIN)
= 0.8V;
I
Q
= 55µA, I
SD
< 1µA, QFN Package
LTC3522 Synchronous 400mA (I
OUT
) Buck-Boost and 200mA
(I
OUT
) Buck, 1MHz, DC/DC Converters
95% Efficiency, V
IN
: 2.4V to 5.5V, V
OUT(MAX)
= 5.25V, V
OUT(MIN)
= 0.6V;
I
Q
= 25µA, I
SD
<1µA, QFN Package
LTC3526L 500mA (I
OUT
), 1MHz Synchronous Step-Up DC/DC
Converter with Output Disconnect
94% Efficiency, V
IN
: 0.8V to 5V, V
OUT(MAX)
= 5.25V,
I
Q
= 9µA, I
SD
<1µA, 2mm × 2mm DFN-6 Package
LTC3530 600mA (I
OUT
), 2MHz, Synchronous Buck-Boost DC/DC
Converter with Wide Input Voltage Range
96% Efficiency, V
IN
: 1.8V to 5.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 40µA, I
SD
<1µA, MSOP and DFN Packages
LTC3531 200mA (I
OUT
), Burst Mode Operation, Synchronous
Buck-Boost DC/DC Converter with Adjustable and
Fixed V
OUT
Versions
90% Efficiency, V
IN
: 1.8V to 5.5V, V
OUT(MAX)
= 5V,
I
Q
= 16µA Always since Burst Mode Operation,
I
SD
<1µA, Small ThinSOT and DFN Packages
LTC3532 500mA (I
OUT
), 2MHz, Synchronous Buck-Boost
DC/DC Converter
95% Efficiency, V
IN
: 2.4V to 5.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 35µA, I
SD
<1µA, MSOP and DFN Packages
LTC3533 2A (I
OUT
), 2MHz, Synchronous Buck-Boost DC/DC
Converter with Wide Input Voltage Range
96% Efficiency, V
IN
: 1.8V to 5.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 40µA, I
SD
<1µA, MSOP and DFN Packages
LTC3538 800mA (I
OUT
), 1MHz, Synchronous Buck-Boost
DC/DC Converter
95% Efficiency, V
IN
: 2.4V to 5.5V, V
OUT(MAX)
= 5.25V,
I
Q
= 35µA, I
SD
= 1.5µA, DFN Package
