85VAC~265VAC/50Hz, 12V/0.3A, 5V/0.1A, Off-line Primary-side-Regulator, Dual Outputs Evaluation Board for Small Appliances

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Product Description

The EV020-5-S-00C Evaluation Board is designed to demonstrate the capabilities of MP020-5. The MP020-5 is a primary-side-control regulator which can eliminates secondary feedback components.

The EV020-5-S-00C is typically designed for small appliances which output 12V/0.3A and 5V/0.1A load from 85VAC to 265VAC, 50HZ/60HZ.

The EV020-5-S-00C has an excellent efficiency and meets IEC61000-4-5 surge immunity and EN55022 conducted EMI requirements. It has multi-protection function as open circuit protection, short-circuit protection, cycle by cycle current limit and over-temperature protection, etc.

Product Features

  • Primary-Side–Control without Opto-Coupler or Secondary Feedback Circuit
  • Precise Constant Voltage Control (CV)
  • Integrated 700V MOSFET with Minimal External Components
  • Variable, Off-Time, Peak-Current Control
  • 550µA High-Voltage Current Source
  • Programmable Cable Compensation (By adding 1μF/25V ceramic cap at CP pin)
  • Multiple Protections: OVP, OCP, OCkP, OTP, and VCC UVLO
  • Natural Spectrum Shaping for Improved
  • EMI Signature
  • Low Cost and Simple External circuit


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

The MP020A-5 is an offline, primary-side regulator that provides accurate constant voltage and constant current regulation without an optocoupler or a secondary feedback circuit. The MP020A-5 has an integrated 700V MOSFET.

The MP020A-5's variable off-time control allows a flyback converter to operate in discontinuous conduction mode (DCM). The MP020A-5 also features protection functions such as VCC under-voltage lockout (UVLO), over-current protection (OCP), over-temperature protection (OTP), open-circuit protection (OCkP), and over-voltage protection (OVP). Its internal high-voltage start-up current source and power-saving technologies limit the no-load power consumption to less than 30mW.

The MP020A-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 MP020A-5 is available in a SOIC8-7A package.