FR9801代理商,原装现货,技术支持

  • 品牌 台湾天钰 FR9801
  • 数量
详情
Description
The FR9801 is a synchronous step-down DC/DC
converter that provides wide 4.5V to 21V input
voltage range and 2A continuous load current
capability.
The FR9801 fault protection includes cycle-by-cycle
current limit, UVLO, output overvoltage protection
and thermal shutdown. The adjustable soft-start
function prevents inrush current at turn-on. This
device uses current mode control scheme which
provides fast transient response. Internal
compensation function reduces external
compensation components and simplifies the design
process. In shutdown mode, the supply current is
less than 1μA.
The FR9801 is available in
SOT-23-6 package and

provides good thermal conductance.

Features
  High Efficiency up to 94%
  Low R DS(ON)  Integrated Power MOSFET
  Internal Compensation Function
  Wide Input Voltage Range: 4.5V to 21V
  Adjustable Output Voltage from 0.8V to 17.85V
  2A Output Current
  Fixed 600KHz Switching Frequency
  Current Mode Operation
  Cycle-by-Cycle Current Limit
  Over-Temperature Protection with Auto Recovery
  Output Overvoltage Protection
  Under Voltage Lockout
  <1μA Shutdown Current
  SOT-23-6  Package
Applications
  STB (Set-Top-Box)
  LCD Display, TV
  Distributed Power System
  Networking, XDSL Modem


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