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RT8120 RT8120DGSP single-phase synchronous buck PWM controller IC

 

Manufacturer

Richtek

Manufacturer Part

RT8120DGSP

Description

IC REG CTRLR BUCK 8SOP

Buck Regulator Positive Output Step-Down DC-DC Controller IC 8-SOP

Application

System (Graphic, MB) with 5V or 12V Power

Graphic Cards (AGP 8X, 4X, PCI Express*16)

3.3V to 12V Input DC/DC Regulators

Low Voltage Distributed Power Supplies

Datasheet

RT8120

Details

Image

 

FEATURES

Wide Input Voltage Range : 3V to 13.2V

Embedded Switching Boot Diode

0.8V ±1%, 0.6V ±1.5% Internal Reference

Shoot-Through Protection and Short Pulse Free Technology for Gate Drivers

Fixed Frequency 300kHz

Internal Soft-Start

Over Current Protection by Sensing MOSFET RDS(ON)

Enable/Shutdown Control

Drives Two N-MOSFETs

Full Duty Cycle : 0% to 85%

Fast Transient Response

Voltage Mode PWM Control with External Feedback Loop Compensation

Pinless LGATE Over Current Setting (LGOCS)

Under Voltage Protection

SOP-8 and SOP-8 (Exposed Pad) Packages

RoHS Compliant and Halogen Free

The RT8120 is a single-phase synchronous buck PWM DC/DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1% ( option for 0.6V ±1.5%) reference.

 

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