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百分百占空比降壓芯片
產品名稱：RY8337B 30V 3A 500KHz Synchronous Step-Down Regulator
型號： RY8337B
產片介紹：General Description The RY8337B is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs It offers a very compac
產片介紹：General Description The RY8337B is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs It offers a very compac
┄┄┄詳細介紹┄┄┄
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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