DESCRIPTION
The LTC® 3526L/LTC3526LB are synchronous, fixed frequency step-up DC/DC converters with output disconnect. Synchronous rectification enables high efficiency in the low profile 2mm ×2mm DFN package. Battery life in single AA/AAA powered products is extended further with a 680mV start-up voltage and operation down to 500mV once started.

FEATURES
■  Delivers 3.3V at 100mA from a Single Alkaline/NiMH Cell or 3.3V at 200mA from Two Cells
■  VIN Start-Up Voltage: 680mV
■  1.5V to 5.25V VOUT Range
■  Up to 94% Efficiency
■  Output Disconnect
■  1MHz Fixed Frequency Operation
■  VIN > VOUT Operation
■  Integrated Soft-Start
■ Current Mode Control with Internal Compensation
■ Burst Mode®Operation with 9μA IQ(LTC3526L)
■ Low Noise PWM Operation (LT3526LB)
■ Internal Synchronous Rectifi er
■ Logic Controlled Shutdown (IQ< 1μA)
■ Anti-Ring Control
■ Low Profi le (2mm ×2mm ×0.75mm) DFN-6 Package

APPLICATIONS
■Medical Instruments
■ Noise Canceling Headphones
■Wireless Mice
■Bluetooth Headsets