ON Semiconductor NCL30051
PFC/Half-Bridge Combo ControllerON 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.
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