Datasheet4U Logo Datasheet4U.com

FR9855 Datasheet 5.5a Synchronous Step-down DC/dc Converter

Manufacturer: Fiti

Overview: FR9855 18V, 5.5A Synchronous Step-Down DC/DC Converter.

Datasheet Details

Part number FR9855
Manufacturer Fiti
File Size 5.52 MB
Description 5.5A Synchronous Step-Down DC/DC Converter
Datasheet FR9855-Fiti.pdf

General Description

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

The device provides 4.5V to 18V input voltage range and 5.5A continuous load current capability.

Operation frequency depends on Input and output voltage condition.

Key Features

  • 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.

More Datasheets from Fiti

Part Number Description
FR9853T 3A Synchronous Step-Down DC/DC Converter
FR9801 600KHz Synchronous Step-Down DC/DC Converter
FR9801E 600KHz Synchronous Step-Down DC/DC Converter
FR9802 1.2MHz Synchronous Step-Down DC/DC Converter
FR9806 500KHz Synchronous PWM-Buck DC/DC Converter
FR9808 500KHz Synchronous PWM-Buck DC/DC Converter
FR9809 500KHz Synchronous PWM-Buck DC/DC Converter
FR9810 500KHz Synchronous PWM-Buck DC/DC Converter
FR9833 340KHz Synchronous Step-Down DC/DC Converter
FR9882 340KHz Synchronous Step-Down DC/DC Converter

FR9855 Distributor