LTC3526L-2_15 Datasheet, PDF (16/16 Pages) Linear Technology – 550mA 2MHz Synchronous Step-Up DC/DC Converters

LTC3526L-2/LTC3526LB-2
Typical Application
5V USB
V_BATT
1.8V TO 3.2V
3.3V Converter with Output OR’d with 5V USB Input
MBR120ESFT
2.2µH*
1µF
OFF ON
SW
V_IN
V_OUT
LTC3526L-2
SHDN FB
GND
1.78M
1M
V_OUT
3.3V/5V
USB
33pF
10µF
3526lb2 TA07a
LDO
DC/DC
*MURATA LQH3NPN2R2NM0
Related Parts
PART NUMBER
LTC3526/LTC3526B
LTC3526-2/LTC3526B-2
LTC3526L/LTC3526LB
LTC3525L-3
LTC3525-3
LTC3525-3.3
LTC3525-5
LTC3427
LTC3400/LTC3400B
LTC3527/LTC3527-1
DESCRIPTION
500mA, 1MHz/2.2MHz, Synchronous Step-Up DC/DC
Converters with Output Disconnect
COMMENTS
94% Efficiency V_IN: 0.85V to 5V, V_OUT(MAX) = 5.25V, I_Q = 9µA,
I_SD < 1µA, 2mm × 2mm DFN-6 Package
400mA Micropower Synchronous Step-Up DC/DC
Converter with Output Disconnect
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
95% Efficiency V_IN: 1V to 4.5V, V_OUT(MAX) = 3.3V or 5V, I_Q = 7µA,
I_SD < 1µA, SC-70 Package
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
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
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] ^● FAX: [phone] ^● www.linear.com
3526lb2fa
LT 0910 REV A • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2009