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FR9806 - 500KHz Synchronous PWM-Buck DC/DC Converter

General Description

FR9806 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).

Key Features

  • High Efficiency up to 90%.
  • Internal MOSFET RDS(ON): 130mΩ/20mΩ.
  • Internal Compensation.
  • Input Operation Voltage Range: 4.75V to 21V.
  • 3A Continuous Output Current.
  • Output Voltage down to 0.805V.
  • 500KHz Oscillation Frequency.
  • Sync to External Clock from 300 KHz to 800 KHz.
  • Cycle-by-Cycle Current Limit.
  • Under Voltage Lockout.
  • Over-Temperature Protection with Auto Recovery.

📥 Download Datasheet

Datasheet Details

Part number FR9806
Manufacturer Fiti
File Size 873.45 KB
Description 500KHz Synchronous PWM-Buck DC/DC Converter
Datasheet download datasheet FR9806 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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fitipower integrated technology lnc. FR9806 21V, 3A, 500KHz Synchronous PWM-Bu8c5kT DC/DC Converter Description FR9806 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). The input operation voltage is in a wide 4.75V to 21V, and continuous load current capability is 3A. Control circuit is designed by a particular current mode which provides fast transient response and eases loop stabilization. This product has a very low standby current less than 1μA in shutdown mode. When the EN/SYNC pin voltage is less than 0.4V, FR9806 will turn off.