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LC5226D Fiches technique(PDF) 1 Page - Sanken electric |
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LC5226D Fiches technique(HTML) 1 Page - Sanken electric |
1 / 8 page LED Lighting IC LC5226D SANKEN ELECTRIC CO.,LTD. 1/8 13 October 2011 ◆Description LC5226D is non-isolated type driver IC for LED lighting which can achieve high efficiency in simple circuitry. Its compact package which includes output MOSFET and controller, and low external components are suitable for small lighting equipment which requires saving space, like LED light bulb. To meet various requirements, Buck-Boost operation which has wide input/output capability is available. And also, control functions with Ref input are implemented. Its high voltage capability allows direct connection to rectified AC supply. Open protection for Buck-Boost operation and variable OCP improve safeness. ◆Package Package: DIP8 ◆Applications LED Lighting equipment LED Light bulb ◆Main Specification MOSFET 450V (MIN), 3.0Ω (MAX) Output Current 1.0A (MAX) Main Supply Voltage 450V (MAX) ◆Features Buck-Boost operation In addition to normal Buck operation, Buck-Boost operation which can both Step-up and down is also available, to operate in wide input/output condition. Open protection for Buck-Boost operation Protection circuit to prevent damage when load open failure in Buck-Boost operation. Built-in reference voltage for current setting Precision and easy current setting. Sleep function Latch off the output by Ref pin input voltage. Disable function Shut off LED current by Ref pin input voltage. DIP8 Package Output MOSFET and controller are included in one package. High voltage supply input Built-in constant current controller - PWM mode current control circuitry. - Adjustable output current by input voltage to Ref pin. External PWM Dimming Variable type over current protection (OCP) - Latch type operation - OCP threshold is adjusted by setting current and temperature to ensure protection. Under voltage lockout protection (UVLO) Thermal Shutdown protection (TSD) Typical application circuit FUSE VBB OUT Sen GND Reg PWM Ref R1 R2 CPWM RS D1 L1 C2 C1 LC5226 Cin AC Input Vin Line Filter VLED http://www.sanken-ele.co.jp |
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