Product：RM9003

一、General Description 

RM9003E is a one_stage LED constantcurrent driving control chip which can beused to drive high voltage LED stringsdirectly.Output current stay a constant inthe range of 5m~60mA as once set byexternal SENSE resistor.It has theadvantages of simpler systemstructure,fewer peripheral componentsand simpler circuit.

二、 Features                                       

  Simpler peripheral circuit withoutmagnetic components

  Chips can be used in series or parallelapplication

  Chips and LED can be welded in thesame PCB board

  Output current can be set by externalresistor

  Application circuit has no EMIproblems

  Built_in 400V high voltage MOS

  Over temperature regulation

  Package：ESOP8

三、Applications

  LED fluorescent lamp T5/T8/T10…

  LED Bulb/Corn light/Candle lamp…

  Other small power LED lighting

四、Package/Order Information

五、Typical Application Circuit(5W)

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