TPS62054DGSRG4

800 mA同步降压转换器 800-mA SYNCHRONOUS STEP-DOWN CONVERTER

Description

The TPS6205x devices are a family of high-efficiency synchronous step-down DC-DC converters that are ideally suited for systems powered from a 1- or 2-cell Li-Ion battery or from a 3- to 5-cell NiCd, NiMH, or alkaline battery.

 Features

• High-Efficiency Synchronous Step-Down Converter With up to 95% Efficiency

• 12-µA Quiescent Current Typical

• 2.7-V to 10-V Operating Input Voltage Range

• Adjustable Output Voltage Range: 0.7 V to 6 V

• Fixed Output Voltage Options Available With 1.5 V, 1.8 V, and 3.3 V

• Synchronizable to External Clock: Up to 1.2 MHz

• High-Efficiency Over a Wide Load Current Range in Power-Save Mode

• 100% Maximum Duty Cycle for Lowest Dropout

• Low-Noise Operation in Forced Fixed Frequency PWM Operation Mode

• Internal Softstart

• Overtemperature and Overcurrent Protected

• Available in 10-Pin Micro-Small Outline Package MSOP