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reference designMP171A | Demoboard EV171A-J-00A

Monolithic Power Systems MP171A | Demoboard EV171A-J-00A

Small, Universal Input Non-Isolated Off-Line Regulator Evaluation Board

Overview

TopologyBuck-Boost Converter
Input voltage85-265 V
Output 15 V / 0.05 A
IC revision1

Description

The EV171A-J-00A 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-J-00A Evaluation Board is designed as Buck application. It typically drives 5V/50mA load from 85VAC to 265VAC input.The EV171A-J-00A 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.The MP171A is available in TSOT23-5 and SOIC-8 packages.

Features

  • Primary-Side Non-Isolated CV Control
  • Integrated 700V MOSFET
  • <100mW No-Load Power Consumption
  • Good EMI Performance
  • Limited Maximum Frequency
  • Multiple Protections: SCP, OLP, Open Loop Detection, TSD, and VCC UVLO
  • Low Cost and Simple External Circuit

Typical applications

  • Industrial Controls
  • Standby Power
  • Home Appliances, White Goods, and Consumer Electronics

More information

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7447462102
SPECWE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.25 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance1000 µH
Rated Current0.25 A
Saturation Current @ 10%0.27 A
DC Resistance6 Ω
Self Resonant Frequency2.3 MHz
VersionHeat Shrinking Tube 
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