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RT8817A - Dual-Phase PWM Controller

General Description

The RT8817A 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, internal soft-start, power good indicator, and enable functions. Ordering Information RT8817A Package Type QW : WQFN-24L 4x4 (W-Type) (Exposed Pad-Option 1) Lead Plating System G : Green (Halogen Free and Pb Free) Note : Richtek products are :  RoHS compliant and compatible with the curr.

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Datasheet Details

Part number RT8817A
Manufacturer Richtek
File Size 357.76 KB
Description Dual-Phase PWM Controller
Datasheet download datasheet RT8817A Datasheet

Full PDF Text Transcription for RT8817A (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for RT8817A. For precise diagrams, and layout, please refer to the original PDF.

® RT8817A Dual-Phase PWM Controller with PWM-VID Reference General Description The RT8817A is a 2/1 phase synchronous Buck PWM controller which is optimized for high perf...

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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 RT8817A 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

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