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RT8813C - Multi-Phase PWM Controller

General Description

The RT8813C is a 3/2/1 phase synchronous Buck PWM controller which is optimized for high performance graphic microprocessor and computer applications.

Key Features

  • external reference input and PWMVID dynamic output voltage control, in which the feedback voltage is regulated and tracks external input reference voltage. Other features include adjustable switching frequency, dynamic phase number control, internal/external soft-start, power good indicator, and enable functions. Features.
  • Multi-Phase PWM Controller.
  • Two Embedded MOSFET Drivers and Embedded Switching Boot Diode.
  • External Reference Input Control.
  • PWM-VID Dynamic Voltage Contr.

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Datasheet Details

Part number RT8813C
Manufacturer Richtek
File Size 425.22 KB
Description Multi-Phase PWM Controller
Datasheet download datasheet RT8813C Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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® RT8813C Multi-Phase PWM Controller with PWM-VID Reference General Description The RT8813C is a 3/2/1 phase synchronous Buck PWM controller which is optimized for high performance graphic microprocessor and computer applications. The IC integrates a Constant-On-Time (COT) PWM controller, two MOSFET drivers with internal bootstrap diodes, as well as channel current balance and protection functions including Over-Voltage Protection (OVP), Under-Voltage Protection (UVP), current limit, and thermal shutdown into the WQFN-24L 4x4 package. The RT8813C adopts RDS(ON) current sensing technique. Current limit is accomplished through continuous inductorcurrent-sense, while RDS(ON) current sensing is used for accurate channel current balance.