FR9855 - 5.5A Synchronous Step-Down DC/DC Converter

Product Overview

Fiti

Part number	FR9855
Manufacturer	Fiti
File Size	5.52 MB
Description	5.5A Synchronous Step-Down DC/DC Converter
Datasheet	FR9855 Datasheet
Additional preview pages of the FR9855 datasheet.

The FR9855 is a synchronous step-down DC/DC converter with fast constant on time (FCOT) mode control.

Low RDS(ON) Integrated Power MOSFET (70mΩ/38mΩ) Wide Input Voltage Range: 4.5V to 18V Output Voltage Range: 0.765V to 8V 5.5A Output Current FCOT Mode Enables Fast Transient Response Pseudo 630kHz Frequency Power Good Function (for FR9855SP Only) Input Under Voltage Lockout Adjustable Soft Start Function Cycle-by-Cycle Current Limit Hiccup Short Circuit Protection Over Temperature Protection with Auto Recovery SOP-8 Exposed Pad and TDFN-10(3mmx3mm) Packages.

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Published: Jan 22, 2025 |