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R2A20112 - Critical Conduction Mode Interleaved PFC Controller

This page provides the datasheet information for the R2A20112, a member of the R2A20112ASP Critical Conduction Mode Interleaved PFC Controller family.

Description

The R2A20112A controls a boost converter to provide an active power factor correction.

The R2A20112A adopts critical conduction mode for power factor correction and realizes high efficiency and a low switching noise by zero current switching.

Features

  • Absolute Maximum Ratings ⎯ Supply voltage Vcc: 24 V ⎯ Junction temperature Tj:.
  • 40 to +150°C.
  • Electrical Characteristics ⎯ VREF output voltage Vref: 5.0 V ± 1.5% ⎯ UVLO operation start voltage Vuvlh: 10.5 V ± 0.7 V ⎯ UVLO operation shutdown voltage Vuvll: 9.3 V ± 0.5 V ⎯ UVLO hysteresis voltage Hysuvl: 1.2 V ± 0.5 V.
  • Functions ⎯ Boost converter control with critical conduction mode ⎯ Interleaving control ⎯ Soft start function for the reference voltage of Error.

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Datasheet preview – R2A20112

Datasheet Details

Part number R2A20112
Manufacturer Renesas
File Size 265.90 KB
Description Critical Conduction Mode Interleaved PFC Controller
Datasheet download datasheet R2A20112 Datasheet
Additional preview pages of the R2A20112 datasheet.

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Full PDF Text Transcription

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Preliminary Data Sheet R2A20112ASP R03DS0047EJ0201 Critical Conduction Mode Interleaved PFC Control IC Rev.2.01 Jan 08, 2016 Description The R2A20112A controls a boost converter to provide an active power factor correction. The R2A20112A adopts critical conduction mode for power factor correction and realizes high efficiency and a low switching noise by zero current switching. Interleaving function improves ripple current on input or output capacitor by 180 degrees phase shift. Soft-star, the feedback loop short detection, two mode over-voltage-protection, over-current-protection, Over current ON/OFF timer protection for boost Diode short and slave ZCD open detection are built in the R2A20112A, and can constitute a power supply system of high reliability with few external parts.
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