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DS8816A

Richtek
Part Number DS8816A
Manufacturer Richtek
Description Dual-Phase PWM Controller
Published Nov 17, 2016
Detailed Description ® RT8816A Dual-Phase PWM Controller with PWM-VID Reference General Description The RT8816A is a 2/1 phase synchronous ...
Datasheet PDF File DS8816A PDF File

DS8816A
DS8816A

Overview
® RT8816A Dual-Phase PWM Controller with PWM-VID Reference General Description The RT8816A 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 RT8816A 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.
Using the method of current sampling utilizes the best advantages of each technique.
The RT8816A features external reference input and PWMVID dynamic output voltage control, in which the feedback voltage is regulated and tracks external input reference volt...


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