LTC3526-2_15 Datasheet, PDF (16/16 Pages) Linear Technology – 500mA 2MHz Synchronous Step-Up DC/DC Converters

LTC3526-2/LTC3526B-2
Typical Application
3.3V Converter with Output OR’d with 5V USB Input
5V USB
V_BATT
1.8V TO 3.2V
MBR120ESFT
2.2µH
1µF
OFF ON
SW
V_IN
V_OUT
LTC3526-2
SHDN FB
GND
V_OUT
3.3V/5V
USB
1.78M
4.7µF
1M
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LDO
DC/DC
Related Parts
PART NUMBER
DESCRIPTION
COMMENTS
LTC3526/LTC3526B
500mA, 1MHz/2.2MHz, Synchronous Step-Up DC/DC
LTC3526L/LTC3526LB
Converters with Output Disconnect
LTC3526L-2/LTC3526LB-2
94% Efficiency V_IN: 0.85V to 5V, V_OUT(MAX) = 5.25V, I_Q = 9µA,
I_SD < 1µA, 2mm × 2mm DFN-6 Package
LTC3525L-3
400mA Micropower Synchronous Step-Up DC/DC
Converter with Output Disconnect
93% Efficiency V_IN: 0.88V to 4.5V, V_OUT = 3V, I_Q = 7µA,
I_SD < 1µA, SC-70 Package
LTC3525-3
LTC3525-3.3
LTC3525-5
400mA Micropower Synchronous Step-Up DC/DC
Converter with Output Disconnect
95% Efficiency V_IN: 1V to 4.5V, V_OUT(MAX) = 3.3V or 5V, I_Q = 7µA,
I_SD < 1µA, SC-70 Package
LTC3427
500mA I_SW, 1.2MHZ, Synchronous Step-Up DC/DC
Converter with Output Disconnect
93% Efficiency V_IN: 1.8V to 4.5V, V_OUT(MAX) = 5V,
2mm × 2mm DFN Package
LTC3400/LTC3400B
600mA I_SW, 1.2MHz, Synchronous Step-Up
DC/DC Converters
92% Efficiency V_IN: 1V to 5V, V_OUT(MAX) = 5V, I_Q = 19µA/300µA,
I_SD < 1µA, ThinSOT™ Package
LTC3527/LTC3527-1
Dual 600mA/400mA I_SW, 1.2MHz/2.2MHz Synchronous 94% Efficiency V_IN: 0.7V to 5V, V_OUT(MAX) = 5.25V, I_Q = 12µA,
Step-Up DC/DC Converters
I_SD < 1µA, 3mm × 3mm QFN-16 Package
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^l FAX: [phone] ^l www.linear.com
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LT 0910 REV C • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2006