The present invention discloses a constant current LED driver circuit, comprising: a selector, an error amplifier, oscillator, slope compensation module, comparators, flip-flops and a driver. 本发明中由于选择器的输出电压VSN的平均值等于基准电压VREF,因此,在NMOS功率管导通时,第一电阻上的采样电压VCS...
3 Phase Switching|Constant Current LED Driver Circuit:Ensures stable light output with a 100mA-700mA constant current LED driver circuit. Lighting Transformer:High-quality PCB material in a compact design, ideal for various lighting transformer applications. DALI Dimming Driver:Advanced DALI dimming dri...
Application: LED indoor lighting drivers. also available for strip, projector, adapterCertificates: TUV, CB, CE5 Years Warranty Features of 100W TUV CB CE Constant Current LED Driver For Indoor Lighting Efficiency up to 89% IP20 Protections: SCP/OTP/OVP/OPP Surge Pro...
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, over temperature protections
一种检测LED恒压驱动电源空载的电路及方法、LED驱动器 热度: 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 ...
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...
Part name: UL certified DC 24V 3.75A 90W LED driver power supply Model No. FY2404000 AC Input: 100-240V,50/60HZ Max charging voltage: 24V Max charging current: 3.75A Inrush current: Limited 15A when cold starting Protection: short circuit, over current and over voltage protection. Eff...
The utility model relates to a current-equalized BUCK constant-current LED driver circuit by using a current transformer, which comprises LED loads, inductors, diodes, MOS tubes, and a current transformer, wherein the LED loads are provided with at least two groups; the positive electrodes of ...
High quality intelligent constant currentOvervoltage protection, overload protection,overheat protection, short circuit protectionNo flicker3-Electrolytic CapacitorHigh frequency low resistance capacitorIn theory, if the LED driver is used for 8 hours a day, it can be used for 3 years. If the LED ...
A step-down hysteretic current LED driver circuit implements frequency regulation to adjust the hysteresis levels of a hysteretic comparator in the control... M Weng 被引量: 0发表: 0年 Semiconductor integrated circuit device having built-in step-down circuit for stepping down external power supply...