An LED constant current drive circuit, which belongs to the field of semiconductor technology. 包括可控硅调光模块,恒流整流模块,功率因素校正模块,滤波模块和电路保护模块,可控硅调光模块通过改变调光电位器RW阻值改变导通延时和导通角大小,使得流过LED的电流占空比发生变化,从而影响LED的亮度;由高反向耐压恒流...
The utility model provides a large-power LED constant-current driver circuit, comprising a NU511 constant-current drive module (1) and a detection module (2). When an LED is broken down or has an accidental short circuit, an LED constant current device is turned down so as to conduct NU...
Short circuit; Over current; Over termperatur; Over voltage Keyword led bulb driver Application Panel light,down light,ceiling light,flood light led bulb lights etc Output Mode Constant current Packaging and delivery Selling Units: Single item Single package size: 10X10X5 cm Single gross weight: ...
led panel 25w driver remote control led driver circuit rf led driver CCT/DIM $11.00 Min. order: 10 pieces CE Certificate 17W 12-24V 700ma Constant Current CC LED Mono Colour Single Color 2.4G Dimming Driver $14.50 Min. order: 10 pieces Dual White Power Supply CCT LED Dimming Driver Power...
.pairuigroup Page: 1 / 7 Date: 12/18/2014 *Subject to change without prior notice. Constant current LED Drivers For outdoor use LGSU-120C Series, 120Watt FEATURES: Constant current output High Efficiency Universal AC input: 90-305VAC Active power factor correction Short circuit, over voltage...
Key words :LED driver;segmented control;linear constant current;intelligentize 0 引言 LED(Light emitting diode)照明是一种新兴的照明技术,是典型的绿色照明光源[1]。在LED照明技术当中,驱动电源的性能至关重要,涉及到了LED整灯的各项电气性能以及可靠性。LED驱动电源大致发展为开关电源和线性电源[2],开关电源具有...
恒流驱动器ledcurrentdriverconstant Revised 11/28/2011 .PHIHONG 15W Constant Current LED Driver PDA015A-350C Power Supply for Indoor Lighting Features RoHS Compliant Limited Power Source IP20 Rated OVP, OCP, Short/Open Circuit Protection Constant Current Power Factor Correction Brownout/Brownout Recove...
Abstract:One isolated constant current LED drive design but free of auxiliary wingding is proposed in this paper. Based on the flyback ampere-turns ratio conservation, a constant secondary peak current can be achieved. By the zero crossing detection circuit, a constant ratio between the secondary ...
Constant Current LED Driver LED Power Supply LED Lighting Kits 320W/240W/200W/150W/100W Product Description 3Ray Lighting is working close with almost all brands of LED drvier manufacturers, all types LED driver available Suitable for indoor / Outdoor...
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61042 SLVS441D – DECEMBER 2002 – REVISED DECEMBER 2014 TPS61042 Constant Current LED Driver 1 Features •1 Current Source With Overvoltage Protection • Input Voltage Range: 1.8 V to 6 V • Internal ...