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R2A20112A Datasheet Critical Conduction Mode Interleaved Pfc Controller

Manufacturer: Renesas

Overview: Preliminary Data Sheet R2A20112ASP R03DS0047EJ0201 Critical Conduction Mode Interleaved PFC Control IC Rev.2.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General 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.

Key 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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