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Power management

Monolithic Power Systems

  • High-voltage voltage regulator

MP020-5

Article: 00112481

High-voltage voltage regulator

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, over-temperature protection, open-loop protection and over-voltage protection. Its internal high-voltage start-up current source and power-saving technologies 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-SideControl 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 Frequency Dithering for Improved EMI Signature
Low Cost and Simple External circuit
SOIC8-7A Package
Applications

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

Specifications

  • Options: high-voltage

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