LTC3440 - Micropower Synchronous Buck-Boost DC/DC Converter

• Click Here for LTC3440 Evaluation Kit
• Single Inductor
• Fixed Frequency Operation with Battery Voltages
• Above, Below or Equal to the Output
• Synchronous Rectification: Up to 96% Efficiency
• 25µA Quiescent Current in Burst Mode® Operation
• Up to 600mA Continuous Output Current
• No Schottky Diodes Required (VOUT < 4.3V)
• VOUT Disconnected from VIN During Shutdown
• 2.5V to 5.5V Input and Output Range
• Programmable Oscillator Frequency from 300kHz to 2MHz
• Synchronizable Oscillator
• Burst Mode Enable Control
• <1µA Shutdown Current
• Small Thermally Enhanced 10-Pin MSOP and (3mm × 3mm) DFN Packages

Typical Application