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XC9401 - Off-line Controllers

Description

The XC9401 series are off-line controller ICs for LED lighting.

Features

  • Operating Voltage : 85VAC ~ 270VAC DC Input RVDD +C2 D1 CLED LED CVDD ZD1 ISEN Voltage Fixed Off-time Protection Circuits : 0.34V ±2.5% (Type C) : 6.0μs : Thermal Shutdown 150oC (TYP. ) VDD GATE RGATE L2 Q1 Dimming VDD Over voltage protection, VDD=18V (TYP. ) UVLO, VDD=6.5V (TYP. ) Over current protection, VISEN=0.7V (TYP. ) : PWM Dimming (LED Current:1%～100%@1kHz, Type C) EN/DIM ISEN GND RSEN.
  • PaCcMkaOgeSs : SOT-26 (Type A, Type B) SOT-25 (Type C) Operating Ambient Temp.

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Full PDF Text Transcription

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XC9401 Series is Discontinued. XC9401 Series Off-line Controllers for LED Lighting ETR32009-001a ■GENERAL DESCRIPTION The XC9401 series are off-line controller ICs for LED lighting. Through optimization of the external components, these ICs can be made to operate in a range from 85VAC to 270VAC, as well as by DC input, and a diversity of specifications can be achieved by selecting components appropriate for the circuit configuration. Fixed off-time control is used for the basic control method, and by detecting the current that flows to the external power MOSFET, the current that flows to the LED is monitored to provide a stable power supply for LED lighting. Three product series differing by function type are available, the XC9401A type, XC9401B type and the XC9401C type.
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