FR9885 PDF – 18V, 2A, Step-Down DC/DC Converter

Part Number: FR9885

Function: 18V, 2A, 500KHz, Synchronous Step-Down DC/DC Converter

Package: SOT-23-6 Type

Manufacturer: Fiti ( fitipower integrated technology lnc )


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FR9885 image


The FR9885 is a synchronous step-down DC/DC converter that provides wide 4.5V to 18V input voltage range and 2A peak load current capability. At light load condition, the FR9885 can operate at PSM mode to support high efficiency and reduce power loss. […]


1. Low Rds(on) Integrated Power MOSFET (170mΩ/135mΩ)

2. Internal Compensation Function

3. Wide Input Voltage Range: 4.5V to 18V

4. Adjustable Output Voltage Down to 0.6V

5. 2A Peak Output Current

6. 500kHz Switching Frequency

7. Internal 0.8ms Soft-Start

8. Cycle-by-Cycle Current Limit

9.  Hiccup Short Circuit Protection

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1. STB (Set-Top-Box)
2. LCD Display, TV
3. Distributed Power System
4. Networking, XDSL Modem

FR9885 Datasheet