
The MP4033 is a TRIAC-dimmable primary-sidecontrol, offline LED lighting controller with active PFC. It is also available for applications that requires analog dimming with PWM input. It outputs an accurate LED current for an isolated lighting application with a single-stage converter. The proprietary real-currentcontrol method accurately controls the LED current using primary-side information. The MP4033 implements power-factor correction and works in boundary-conduction mode to reduce MOSFET switching losses. The adaptive dimmer type detection and phase-cut-based dimming control achieves good dimmer compatibility and deep dimming range. The MP4033 has an integrated charging circuit at the supply pin for fast start-up without a perceptible delay. With the unique control of the driver pin DIM, the MP4033 supports color temperature and brightness control for warm sunset dimming application The MP4033 has multiple protections that greatly enhance system reliability and safety, including output over-voltage protection, output short-circuit protection, winding short circuit protection, programmable thermal fold-back (MSOP10/SOIC14), ZCD pin short circuit protection, supply-pin under-voltage lockout, and over-temperature protection. All fault protections feature auto-restart. The MP4033 is available in SOIC-8 / MSOP-10 / SOIC-14 package.
YG GROUP (YUGUANG INTERNATIONAL(HK)CO.,LTD) supports reliable sourcing through quality controls and compliance documentation. Please confirm product requirements, applicable certifications and supporting documents before ordering.
MP4033 is an authentic electronic component manufactured by Monolithic Power Systems, categorized under Driver ICs. It is supplied in the standard manufacturer-specified package footprint, providing industry-standard mechanical dimensions and terminal configurations for board-level assembly. Full pinout configurations, physical footprint drawings, and rated operating tolerances are documented in the official MP4033 datasheet above.
Electronic component spot-market pricing for MP4033 fluctuates based on real-time global availability, production date codes, minimum order quantities (MOQ), and packaging formats (e.g., Reel, Tube, Tray). Using an RFQ ensures you receive accurate, real-time volume pricing tied to verified, traceable inventory rather than stale catalog estimates.
Lead times for MP4033 depend on whether stock is dispatched from our central hub or regional franchise partners. Ready-to-ship inventory typically leaves the warehouse within 1–3 business days following quality inspection, while factory-direct or back-ordered allocations are confirmed with an estimated ship date upon RFQ reply.
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