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NCP1652 - High-Efficiency Single Stage Power Factor Correction

Description

Pin 16 Pin 1 2 20 Pin 1 2 Symbol CT RAMP COMP Description An external timing capacitor (CT) sets the oscillator frequency.

A sawtooth between 0.2 V and 4 V sets the oscillator frequency and the gain of the multiplier.

Features

  • a proprietary Soft.
  • Skip™ to reduce acoustic noise at light loads. Other features found in the NCP1652 include a high voltage startup circuit, voltage feedforward, brown out detector, internal overload timer, latch input and a high accuracy multiplier. Features http://onsemi. com.

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Datasheet Details

Part number NCP1652
Manufacturer onsemi
File Size 346.05 KB
Description High-Efficiency Single Stage Power Factor Correction
Datasheet download datasheet NCP1652 Datasheet

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Full PDF Text Transcription

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NCP1652, NCP1652A High-Efficiency Single Stage Power Factor Correction and Step-Down Controller The NCP1652 is a highly integrated controller for implementing power factor correction (PFC) and isolated step down ac−dc power conversion in a single stage, resulting in a lower cost and reduced part count solution. This controller is ideal for notebook adapters, battery chargers and other off−line applications with power requirements between 75 W and 150 W. The single stage is based on the flyback converter and it is designed to operate in continuous conduction (CCM) or discontinuous conduction (DCM) modes.
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