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XC9401 Dataheets PDF



Part Number XC9401
Manufacturers Torex Semiconductor
Logo Torex Semiconductor
Description Off-line Controllers
Datasheet XC9401 DatasheetXC9401 Datasheet (PDF)

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,.

  XC9401   XC9401



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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. The circuit configuration of type A is designed for the power factor, achieving a high power factor by synchronizing the LED current to the input current (sine wave). Type B and C holds the peak current due to switching that flows to the external power MOSFET constant, enabling the LED current to be kept constant. With the type C, dimming is possible by inputting a PWM signal into the EN/DIM pin to set the LED current within a range of 1% to 100%. ■APPLICATIONS ●LED bulb (GU-10, MR-16, Other) ●LED tube lights ●LED down lights ●LED spot lights ●LED stands ■TYPICAL APPLICATION CIRCUITS (XC9401C60CSR-G Non-isolation buck Type) L1 100VAC /220VAC C1 BR1 ■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 Temperature ◆EnHviriognhmel ntally Friendly : -40oC ~ +85oC : EU RoHS Compliant, Pb Free ■SOLUTION EXAMPLES Input Voltage Product Isolation/ Non-Isolation Topology Output Power Reference designs LED Voltage/ Efficiency/ LED Current Power Factor 100VAC/110VAC XC9401C60CSR-G Non-Isolation Buck 7.2W 60V/120mA 91%/0.5~0.65 220VAC/240VAC XC9401C60CSR-G XC9401C60CSR-G XC9401A605MR-G Non-Isolation Isolation Isolation Buck Flyback Flyback 7.2W 7.0W 7.2W 60V/120mA 19.2V/360mA 20V/360mA 85%/0.5~0.65 83%/0.5~0.65 82%/0.9~ 400VDC XC9401C60CSR-G Non-Isolation Buck 104W 200V/520mA 97% 15VDC XC9401C60CSR-G - Buck 3.5W 9.6V/350mA 92% 12VAC XC9401C60CSR-G - Buck 2.7W 9V/300mA 87% *Due to dispersion of constant values of external components, the above values may be deviated. Please understand that the above are typical values. For details, refer to the XC9401 Series Application Notes. Option - With PFC circuit - For MR16 1/24 XC9401Series ■BLOCK DIAGRAM 1) XC9401 Series, Type A EN/DIM VSINE GND VREF (B.


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