The RY3820E is a high frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to provide a 2A continuous current over a wide input supply range,with excellent load and line regulation.

    The RY3820E requires a minimal number of readily available, external components and is available in a space saving SOT23-6 package.

Wide 4.5V to 18V Operating Input Range

2A Continuous Output Current

500KHz Switching Frequency

Short Protection with Hiccup-Mode

Built-in Over Current Limit

Built-in Over Voltage Protection

PFM Mode for High Efficiency in Light Load

Internal Soft-Start

110mΩ/70mΩ Low R DS(ON) Internal Power MOSFETs

Output Adjustable from 0.6V

No Schottky Diode Required

Integrated internal compensation

Thermal Shutdown

Available in SOT23-6 Package

-40°C to +85°C Temperature Range

Marking	Part No.	Model	Description	Package	T/R Qty
BCYLL	70301022	RY3820E	RY3820E Buck, 4.5-18V, 2A, 500KHz, VFB 0.6V, SOT23-6	SOT23-6	3000PCS

Digital Set-top Box (STB)

Tablet Personal Computer (Pad)

Flat-Panel Television and Monitor

Wi-Fi Router / AP

Digital Video Recorder (DVR)

Portable Media Player (PMP)

Cable Modem / XDSL

General Purposes