VP2128 Datasheet – Synchronous-Rectified Buck Converter

Part Number: VP2128

Function: 2A, 18V, Synchronous-Rectified Buck Converter

Package: SO-8P Type

Manufacturer: http://www.viva-elec.com.tw/

VP2128 datasheet


The VP2128 is an efficiency and low-cost buck converter with integrated low RDS(ON) high-side 150mΩ  and low-side 130mΩ MOSFET switches.  It is capable of delivering 2A output current over a wide range of supplying voltage from 4.5V to 18V. With a simple voltage divider, the output voltage is easily adjustable from 0.922V to 16V.


1. 4.5V to 18V Input Voltage Range
2. Adjustable Output from 0.922V to 16V
3. 2A Output Current
4. Integrated 150mΩ/130mΩ MOSFET Switches
5. Programmable Soft-Start Function
6. Under Voltage Lock-Out Protection

Block Diagram



1. Set-Up Box
2. Networking Device
3. MID/Netbook/Pad-Device
4. LCD Monitor/ LCD TV

VP2128 Datasheet PDF Download

VP2128 pdf