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NCP1612GEVB:  160 W Low Profile PFC Evaluation Board

The NCP1612 Evaluation Board implements a complete 160W/390 Vdc nominal Power Factor Correction Stage and operates from 90-265 Vac. The board illustrates a low profile (<13 mm height) that might be used in a flat TV or All-in-One PC Application. The target efficiency and power factor at full load for this board is >95% with a PF > 0.95 and meets EN61000-3-2 Class C and Class D requirements.

The NCP1612 is active power factor corrected (PFC) controller specifically designed for use as a boost preconverter in ac-dc adapters, flat TVs, lighting ballasts and other medium powered offline applications. The controller is based on an innovative Current Controlled Frequency Foldback(CCFF) method. In this mode, the circuit classically operates in Critical conduction Mode (CrM) when the inductor current exceeds a programmable value. When the current is below this preset level, the NCP1612 linearly reduces the frequency down to about 20 kHz when the current is at a null. CCFF maximizes the efficiency at both nominal and light load. In particular, the standby losses are reduced to a minimum. The controller features a robust suite of protection features to properly handle an array of power supply operating and fault conditions.

The NCP1612 includes a PfcOkay Output intended to signal the downstream converter to the state of the PFC stage and features a dedicated pin for fast output Overvoltage protection and bulk under-voltage detection.

Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
NCP1612GEVB Active
Pb-free
160 W Low Profile PFC Evaluation Board NCP1612BDR2G
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: Manual NCP1612GEVB Evaluation Board User's Manual EVBUM2051/D - 1737.0 KB  1 
Eval Board: BOM NCP1612GEVB Bill of Materials ROHS Compliant NCP1612GEVB_BOM_ROHS.PDF - 75.0 KB  0 
Eval Board: Gerber NCP1612GEVB Gerber Layout Files (Zip Format) NCP1612GEVB_GERBER.ZIP - 35.0 KB  0 
Eval Board: Schematic NCP1612GEVB Schematic NCP1612GEVB_SCHEMATIC.PDF - 79.0 KB  0 
Eval Board: Test Procedure NCP1612GEVB Test Procedure NCP1612GEVB_TEST_PROCEDURE.PDF - 157.0 KB  0 
Video Power Factor Control Solutions with the NCP1612GEVB Evaluation Board TND6052/D  1 
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Power Factor Control Solutions with the NCP1612GEVB Evaluation Board
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