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reference designMP020-5

Monolithic Power Systems MP020-5

Offline, Primary-Side Regulator with CC/CV Control and a 700V FET

Overview

TopologyFlyback Converter
Input voltage85-265 V
Output 112 V / 0.7 A
IC revision1.05

Description

The MP020-5 is an offline, primary-side regulator that provides accurate constant voltage and constant current regulation without an opto-coupler or a secondary feedback circuit. It has an integrated 700V MOSFET.

The MP020-5's variable off-time control allows a flyback converter to operate in discontinuous conduction mode. The MP020-5 also features protection functions such as VCC under-voltage lockout, over-current protection, overtemperature protection, open circuit protection (OCkP) and over-voltage protection. Its internal high-voltage start-up current source and owersavingtechnologies limit the no-load power consumption to less than 30mW.

The MP020-5's variable-switching-frequency technology provides natural spectrum shaping to smooth the EMI signature, making it suitable for offline, low-power battery chargers and adapters.

The MP020-5 is available in SOIC8-7A.

Features

  • Primary-Side–Control without Opto-Coupler or Secondary Feedback Circuit
  • Precise Constant Current and Constant
  • Voltage Control (CC/CV)
  • Integrated 700V MOSFET with Minimal
  • External Components
  • Variable, Off-Time, Peak-Current Control
  • 550µA High-Voltage Current Source
  • 30mW No-Load Power Consumption
  • Programmable Cable Compensation
  • Multiple Protections: OVP, OCP, OCkP,
  • OTP, and VCC UVLO
  • Natural Spectrum Shaping for Improved EMI Signature
  • Low Cost and Simple External circuit
  • SOIC8-7A Package

Remarks

Typical applications

  • Adapters for Handheld Electronics
  • Stand-By and Auxiliary Power Supplies
  • Small Appliances
  • Cell Phone Chargers

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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