Touted as the smallest 2.25-MHz DC-DC converter for USB-powered portable applications and wireless modems, the TPS62750 delivers 92% efficiency. It is a synchronous step-down converter that provides up to 1 A input current (typical). The device accepts an input voltage from 2.9 V to 6 V, allowing it to support batteries with an extended voltage range and USB-compliant power requirements. The TPS62750 offers a power-save mode for operation at light load currents over the entire load current range. In addition, the converter can discharge during shutdown. Other features include programmable average current limiting for USB applications (50 mA to 300 mA for low current; 0.3 A to 1.3 A for high current); ±10% current accuracy; input-voltage monitoring to prevent the USB host from crashing; and hot-plug, load-disconnect, and short-circuit protection. The TPS62750 comes in a 10-pin, 2.5 mm x 2.5 mm SON package and costs $1.20 each in lots of 1000. TEXAS INSTRUMENTS INC., Dallas, TX. (800) 477-8924.
Company: TEXAS INSTRUMENTS INC.
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