85VAC-265VAC/50Hz, 40V/150mA Non-Isolation Off-line LED Driver Evaluation Board
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Product Description

The EV4034-S-00C Evaluation Board is designed to demonstrate the capabilities of MP4034. The MP4034 can be used for non-isolated LED lighting controller.

The EV4034-S-00C typically drives a 6W LED string with a 40VTYP, 150mA LED load from 85VAC to 265VAC, at 50Hz.

The EV4034-S-00C has excellent efficiency and meets IEC61547 surge immunity and EN55015 conducted EMI requirements. It has multiple protections, including lamp open protection, short-circuit protection, a cycle-by-cycle current limit, and over-temperature protection.

Product Features

  • No External Compensation Components
  • Precise Constant Current (CC)
  • Integrated 700V MOSFET with Minimal External Components
  • Variable Off-Time Peak-Current Control
  • 600µA High-Voltage Current Source
  • Up to 6W Output Power
  • Over-Voltage Protection (OVP)
  • Over-Temperature Protecction (OTP)
  • Lamp Open Protection
  • Natural Frequency Dithering for Improved EMI Signature
  • Low Cost and Simple External circuit
  • Fits GU10 LED


Primary-side regulator with accurate CC control for LED driver

The MP4034 is an offline regulator that provides accurate constant-current regulation. The LED driver circuit design is simplified by removing the optocoupler and the secondary feedback components. The MP4034 has an integrated 700V MOSFET. Its variable off-time control allows a flyback converter to operate in discontinuous conduction mode (DCM). The MP4034 also features complete protection functions such as VCC under-voltage lockout, over-voltage protection, over-temperature protection, and open-loop protection. The MP4034's variable switching frequency provides natural spectrum shaping to smooth the EMI signature, which can reduce the EMI filter’s size and cost.

Quality Policy, Certificates & Reliability Reports
All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.