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reference designMP150

Monolithic Power Systems MP150

Offline Primary-Side Regulator For Low Power Applications

Overview

TopologyBuck Converter
Input voltage85-265 V
IC revision1.13

Description

MP150 is a primary-side regulator that provides accurate constant voltage (CV) regulation without the opto-coupler, and supports Buck, Buck-boost, Boost and Flyback topologies. It has an integrated 500V MOSFET that simplifies the structure and reduces costs. These features help to make it a competitive candidate for offline low power applications, such as homeappliances and standby power.

MP150 is a green-mode operation regulator. Both the peak current and switching frequency decrease as the load decreases to provide excellent efficiency performance at light load, thus improving the overall average efficiency.

The MP150 features various protections,including thermal shutdown (TSD), VCC undervoltage lockout (UVLO), over-load protection (OLP), short-circuit protection (SCP), and open loop protection.

MP150 is available in the TSOT23-5 and SOIC8 packages.

Features

  • Primary-side constant voltage (CV) control,supporting Buck, Buck-boost, Boost and Flyback topologies
  • Integrated 500V/30Ω MOSFET
  • < 150mW No-load power consumption
  • Up to 2W output power
  • Maximum DCM output current less than 120mA
  • Maximum CCM output current less than 200mA
  • Frequency foldback
  • Maximum frequency limitation
  • Peak current compression
  • Internal high-voltage current source

Remarks

Typical applications

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

More information

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744743102
SPECWE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.42 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 Current0.42 A
Saturation Current @ 10%0.69 A
DC Resistance2.5 Ω
Self Resonant Frequency1.6 MHz
VersionStandard 
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