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产品名称：RY8337B 30V 3A 500KHz Synchronous Step-Down Regulator
型号： RY8337B
产片介绍：General Description The RY8337B is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs It offers a very compac

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General Description

The RY8337B is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power

MOSFETs. It offers a very compact solution to provide a 3A continuous current over a wide input supply range,

with excellent load and line regulation.

The RY8337B requires a minimal number of readily available, external components and is available in a space

saving ESOP8 package.

Features

• Wide 4.5V to 30V Operating Input Range • 120mΩ/80mΩ Low RDS(ON) Internal Power MOSFETs

• 3A Continuous Output Current • Output Adjustable from 0.923V

• 500KHz Switching Frequency • 97% Duty cycle max

• Output Voltage Range from 0.923V to 5V • No Schottky Diode Required

• Short Protection with Hiccup-Mode • Integrated internal compensation

• Built-in Over Current Limit • Thermal Shutdown

• Built-in Over Voltage Protection • Available in ESOP8 Package

• PFM Mode for High Efficiency in Light Load • -40°C to +85°C Temperature Range

• Internal Soft-Start

Applications

• Digital Set-top Box (STB) • Digital Video Recorder (DVR)

• Tablet Personal Computer (Pad) • Portable Media Player (PMP)

• Flat-Panel Television and Monitor • Cable Modem / XDSL

• Wi-Fi Router / AP • General Purposes

Typical Application Circuit

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