RY8337 38V 3.3A 500KHz Synchronous Step-Down Regulator - 锂电池充电芯片高耐压小电流充电芯片线性充电开关充电多节充电降压型充电升压型充电芯片

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产品名称：RY8337 38V 3.3A 500KHz Synchronous Step-Down Regulator
型号： RY8337
产片介绍：General DescriptionThe RY8337 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs It offers a very compact

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General Description

The RY8337 is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power

MOSFETs. It offers a very compact solution to provide a 3.3A continuous current over a wide input supply range,

with excellent load and line regulation.

The RY8337 requires a minimal number of readily available, external components and is available in a space saving

ESOP8 package.

Features

• Wide 4.5V to 38V Operating Input Range • 130mΩ/100mΩ Low RDS(ON) Internal Power MOSFETs

• 3.3A 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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