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Evaluation Board, MP171AGS, Buck Regulator


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Manufacturer Part No:
Newark Part No.:
Technical Datasheet:
EV171A-S-00A   Datasheet
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Product Overview

Evaluation board is designed to demonstrate the capabilities of the MP171A. The MP171A is a primary-side constant voltage regulator which provides accurate constant voltage (CV) regulation without opto-coupler. It supports buck, buck-boost, boost and flyback topologies. The EV171A-S-00A evaluation board is designed as buck application. It typically drives 5V/50mA load from 85VAC to 265VAC input. The board has an excellent efficiency and meets class3 (2kV) IEC61000-4-5 surge immunity and EN55022 conducted EMI requirements. The radiation emission performance gets improved compared with the MP171. The MP171A features various protections including thermal shutdown (TSD), VCC under-voltage lockout (UVLO), over-load protection (OLP), short-circuit protection (SCP), and open loop detection. Typical applications include home appliances, white goods, consumer electronics, industrial controls and standby power.
  • Small, off-line regulator with improved EMI performance evaluation board for SOIC-8 package
  • Primary side non isolated CV control
  • Integrated 700V MOSFET
  • <100mW no-load power consumption
  • Good EMI performance
  • Limited maximum frequency
  • Low cost and simple external circuit


MPS part numbers ending in "-P" and "-Z" are the same parts. P & Z only indicates reel size.


Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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Technical Documents (1)

CAD Downloads


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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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