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发布者:微桥 发布时间:2012-8-8 阅读:5544次    关键字: LED
FP7170-90V Linear LED Driver


FP7170-90V Linear LED Driver DataSheet

General Description
    The FP7170 is a adjustable high voltage constant current LED driver. It can operate with power supply from 5V to 90V. The current flow from VA pin to VB pin is regulated with current value set by an external sense resistor RSENSE. To avoid FP7170 from overheating when VA pin to VB pin voltage is large, one extra resistor RPWR connected between VA pin and IS pin is suggested to share the power dissipation. The FP7170 is available in SOT223 3 pins or TO92 package.

Features
  Wide Operation Range: From 5V to 90V(VA to VB)
  Programmable LED current Through External Resistor Between VA and VB Pin
  Adjustable Power Dissipation with External Resistor Between VA and IS PIN
  Parallel Connected is Allowed
  SOT223 3 pins, TO92 Package

Applications
  Constant Current Source
  Constant Current Sink
  LED Lighting

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