RT8820A Datasheet Dual-phase Pwm Controller

Manufacturer: Richtek

Overview: ® RT8820A Dual-Phase PWM Controller with PWM-VID Reference General.

Datasheet Details

Part number	RT8820A
Manufacturer	Richtek
File Size	355.97 KB
Description	Dual-Phase PWM Controller
Datasheet	RT8820A-Richtek.pdf

General Description

The RT8820A 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 RT8820A adopts RDS(ON) current sensing technique.

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. Ordering Information RT8820A Package Type QW : WQFN-20L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Note : Richtek products are :  RoHS compliant and compatible with th.

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