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R2A20113DD - Critical Conduction Mode PFC Controller

General Description

The R2A20113 controls a boost converter to provide a active power factor correction.

The R2A20113 adopts critical conduction mode for power factor correction and realizes high efficiency and a low switching noise by zero current switching.

Key Features

  • Absolute Maximum Ratings  Supply voltage Vcc: 24 V  Operating junction temperature Tjopr:.
  • 40 to +150°C.
  • Electrical characteristics  UVLO operation start voltage VH: 12 V ± 0.8 V  UVLO operation shutdown voltage VL: 9.2 V ± 0.7 V  UVLO hysteresis voltage Hysuvl: 2.8 V ± 0.7 V.
  • Functions  Boost converter control with critical conduction mode  Two mode overvoltage protection Mode1: Dynamic OVP corresponding to a voltage rise by load change Mode2: Static O.

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Datasheet Details

Part number R2A20113DD
Manufacturer Renesas
File Size 95.36 KB
Description Critical Conduction Mode PFC Controller
Datasheet download datasheet R2A20113DD Datasheet

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Full PDF Text Transcription (Reference)

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www.DataSheet4U.com R2A20113DD/SP Critical Conduction Mode PFC Control IC REJ03F0279-0100 Rev.1.00 Oct 10, 2008 Description The R2A20113 controls a boost converter to provide a active power factor correction. The R2A20113 adopts critical conduction mode for power factor correction and realizes high efficiency and a low switching noise by zero current switching. Because the zero current is detected by using the GND current, the ZCD Auxiliary winding is unnecessary. The feedback loop open detection, two mode overvoltage protection, overcurrent protection are built in the R2A20113, and can constitute a power supply system of high reliability with few external parts.