TPS62043 - Texas Instruments

TPS62043 1.2A/1.25MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER

The TPS6204x family of devices are high efficiency synchronous step-down dc-dc converters optimized for battery powered portable applications. The devices are ideal for portable applications powered by a single Li-Ion battery cell or by 3-cell NiMH/NiCd batteries. With an output voltage range from 6.0 V down to 0.7 V, the devices support low voltage DSPs and.

Features

D Up to 95% Conversion Efficiency D Typical Quiescent Current: 18 µA D Load Current: 1.2 A D Operating Input Voltage Range: 2.5 V to 6.0 V D Switching Frequency: 1.25 MHz D Adjustable and Fixed Output Voltage D Power Save Mode Operation at Light load Currents D 100% Duty Cycle for Lowest Dropout D Internal Softstart D Dynamic Output Voltage Positioning D Thermal Shutdown D Short-Circuit Protection D 10 Pin MSOP PowerPad™ Package D 10 Pin QFN 3 X 3 mm Package APPLICATIONS D PDA, Pocket PC and Smart Phones D USB Powered Modems D CPUs and DSPs D PC Cards and Notebooks D xDSL Applications D Stand.