RY3820E General Description：
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.
RY3820E Features:
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
RY3820E Order Information：
| 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 |
RY3820E Applications：
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
RY3820E Typical Application Circuit:
RY3820E Pin Description and Pin Configuration：
RY3820E Functional Block Diagram:
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