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RT8815A - Dual-Phase PWM Controller

General Description

The RT8815A is a 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 softstart, power good indicator, and enable functions. Features.
  • Dual-Phase PWM Controller.
  • Two Embedded MOSFET Drivers and Embedded Switching Boot Diode.
  • External Reference Input Control.
  • PWM-VID Dynamic Voltage Control.
  • Dy.

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Datasheet Details

Part number RT8815A
Manufacturer Richtek
File Size 282.90 KB
Description Dual-Phase PWM Controller
Datasheet download datasheet RT8815A 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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® RT8815A Dual-Phase PWM Controller with PWM-VID Reference General Description The RT8815A is a 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-20L 3x3 package. The RT8815A 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.