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Home » NEWEST Products » New by Manufacturer » ON Semiconductor » ON Semiconductor NCL30051
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ON Semiconductor NCL30051 PFC/Half-Bridge Combo Controller

ON Semiconductor NCL30051
PFC/Half-Bridge Combo Controller

ON Semiconductor's NCL30051 PFC/Half-Bridge Combo Controller is optimized for off-line LED lighting solutions. The NCL30051 PFC/Half-Bridge Combo Controller integrates all of the features needed to implement a highly efficient and small form factor LED Driver/Power Supply. This NCL30051 PFC/Half-Bridge Combo Controller is designed to provide a constant voltage to a step-down DC-DC converter/LED driver (ON Semiconductor's NCL30160). (View the NCL30160 Constant-Current Buck Regulator) ON Semiconductor's NCL30051 PFC/Half-Bridge Combo Controller contains a critical conduction mode (CrM) power factor correction (PFC) boost controller and a half-bridge resonant controller with a built-in 600 V driver. The half-bridge stage of the NCL30051 PFC/Half-Bridge Combo Controller operates at a fixed frequency, greatly simplifying the control implementations.

Features
  • Voltage Mode CrM Power Factor Correction Controller
  • PFC Open Feedback Loop Protection
  • PFC Undervoltage Detector
  • PFC Overvoltage Detector
  • Half−Bridge Stage with 600 V High Side Gate Drive
  • State Machine Ensures Proper Turn−on and Turn−off of Half−Bridge Stage
  • Controllers are Properly Sequenced for Fault Free Operation
  • Non−Latching Fault Management
  • Internal 600 V Startup Circuit
  • Wide Temperature Range of −40°C to +125°C
Applications
  • High Efficiency LED Drivers and Power Supplies
  • Electronic Control Gear
  • Lighting Ballasts
Block Diagram
Block Diagram
  • ON Semiconductor
  • Power Management
  • Semiconductors|Integrated Circuits|IC-Power Management