LTC3113 - Linear Technology Corporation

LTC3113 3A Low Noise Buck-Boost DC/DC Converter

The LTC®3113 is a wide VIN range, highly efficient, fixed frequency, buck-boost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides low noise operation, making it well suited for RF and precision measurement applications. The LTC3113 can deliver up to 3A of continuous outpu.

Features

n Regulated Output with Input Voltage Above, Below or Equal to the Output Voltage n 1.8V to 5.5V Input and Output Voltage Range n 3A Continuous Output Current VIN > 3.0V, VOUT = 3.8V n 1.5A Continuous Output Current for VIN ≥ 1.8V, VOUT = 3.3V n Single Inductor n Low Noise Buck-Boost Architecture n Up to 96% Efficiency n Programmable Frequency from 300kHz to 2MHz n Selectable Burst Mode® Operation n Output Disconnect in Shutdown n Shutdown Current: <1μA n Internal Soft-Start n Small, Thermally Enhanced 16-Lead (4mm × 5mm × 0.75mm) DFN Package and 20-Lead TSSOP Package APPLICATIONS n Wireless Mo.