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Linear Technology announces the LTC3409, a low voltage, high efficiency, 1.7/2.6 MHz synchronous buck regulator, which delivers up to 600 mA of continuous output current from input voltages as low as 1.6 V. Using a constant frequency and current mode architecture, the device operates from an input voltage range of 1.6 to 5.5 V, making it suitable for single cell Li-Ion, multi-cell alkaline or NiMH applications. It can generate output voltages as low as 0.61 V, enabling it to power the latest generation of low voltage DSP and microcontrollers. The device uses internal switches with an RDS_ON of only 0.35Ω to deliver efficiencies as high as 95%.

Linear Technology Corporation

Linear Technology Corporation
http://www.linear.com