FR9809 - 500KHz Synchronous PWM-Buck DC/DC Converter

Product Overview

Fiti

Datasheet Details

Part number	FR9809
Manufacturer	Fiti
File Size	1.16 MB
Description	500KHz Synchronous PWM-Buck DC/DC Converter
Datasheet	FR9809 Datasheet
Additional preview pages of the FR9809 datasheet.

Product details

Description

FR9809 is a high-efficiency synchronous step-down DC/DC converter that employs a special process technique to obtain very low RDS(ON) for the internal metal oxide semiconductor field-effect transistor (MOSFET).

Features

High Efficiency up to 90%.
Internal MOSFET RDS(ON): 110mΩ 20mΩ.
Internal Compensation.
Input Operation Voltage Range: 4.75V to 21V.
5A Continuous Output Current.
Output Voltage down to 0.805V.
500KHz Oscillation Frequency.
Sync to External Clock from 300KHz to 800KHz.
Cycle-by-Cycle Current Limit.
Under Voltage Lockout.
Over-Temperature Protection with Auto Recovery.

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Published: Jan 21, 2015 |