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Offline, Primary-Side Regulator with CC/CV Control and a 700V MOSFET
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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.
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Features & Benefits
- Primary-Side Control without Optocoupler 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
- OVP, OCP, OCkP, OTP, and VCC UVLO
- Natural Spectrum Shaping for Improved EMI Signature
- Low Cost and Simple External Circuit
- Available in a SOIC8-7A Package
Active Part Numbers:
EV020A-5-S-00A Evaluation Kit 85VAC~265VAC/50Hz, 5V/1A Off-line Primary-side-Regulator Cell phone ChargerEvaluation Board
The EV020A-5-S-00AEvaluation Board is designed to demonstrate the capabilities of MP020A-5. The MP020A-5 is a primary-side-control regulator which can eliminates secondary feedback components.
The EV020A-5-S-00A is typically designed for cell phone which output 5V, 1A load from 85VAC to 265VAC, 50HZ/60HZ.
The EV020A-5-S-00A 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.
85VAC~265VAC/50Hz, 12V/0.7A Off-line Primary-Side-Regulator Home Appliances Evaluation Board
85VAC~265VAC/50Hz, 12V/0.65A,5V/50mA Off-line Primary-Side-Regulator Home Appliances Evaluation Board