NCP1602 - High-Efficiency Power Factor Controller

onsemi

Key Features

necessary for robust and compact PFC stages, with few external components. www. onsemi. com TSOP.
6 SN SUFFIX 1 CASE 318G.

NCP1602 high-efficiency power factor controller by onsemi - Datasheet Preview

Datasheet Details

Part number	NCP1602
Manufacturer	onsemi
File Size	353.21 KB
Description	High-Efficiency Power Factor Controller
Datasheet	NCP1602 Datasheet

Full PDF Text Transcription for NCP1602 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for NCP1602. For precise diagrams, and layout, please refer to the original PDF.

NCP1602 Enhanced, High-Efficiency Power Factor Controller The 6−pin PFC controller NCP1602 is designed to drive PFC boost stages. It is based on an innovative Valley Sync...

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ed to drive PFC boost stages. It is based on an innovative Valley Synchronized Frequency Fold−back (VSFF) method. In this mode, the circuit classically operates in Critical conduction Mode (CrM) when Vcontrol voltage exceeds a programmable value Vctrl,FF. When Vcontrol is below this preset level Vctrl,FF, the NCP1602 (versions [B**] and [D**]) linearly decays the frequency down to about 30 kHz until Vcontrol reaches the SKIP mode threshold. VSFF maximizes the efficiency at both nominal and light load. In particular, the stand−by losses are reduced to a minimum. Like in FCCrM controllers, internal circuitry allows near−unit

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