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TPS62040 - 1.2A/1.25MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER

Description

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.

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.

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Other Datasheets by Texas Instruments

Part Number Description
TPS62042 1.2A/1.25MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
TPS62043 1.2A/1.25MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
TPS62044 1.2A/1.25MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
TPS62046 1.2A/1.25MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER
TPS62000 High-Efficiency Step-Down Low Power DC-DC Converter

Full PDF Text Transcription

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www.ti.com TPS62040 TPS62042, TPS62043 TPS62044, TPS62046 SLVS463B − JUNE 2003 − REVISED OCTOBER 2005 1.2 A/1.25 MHz, HIGH-EFFICIENCY STEP-DOWN CONVERTER 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 Standard 5-V to 3.
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