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...
A constant current drive circuit for supplying a constant current to a load circuit comprises a first driver circuit having a pulse width conversion circuit that converts into a pulse signal with a pulse width corresponding to the signal level of a first differential sensed signal, a switch that...
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...
CONSTITUTION:A constant current is applied to an ink ribbon 1 from a constant-current driving circuit 2, and an applied voltage generated by the actual current flowing in the ink ribbon 1 is detected by a voltage sensor 3. The applied voltage thus detected is converted into a digital ...
the drain transistor drain coupled to the output of the driver circuit; first and second switches, coupled to the source transistor gate of the pFET device and the nFET device, respectively, for turning on and off current flow from the voltage source V through the source transistor of the pFE...
PURPOSE: To provide the constant-current power circuit which can suppress heat generation as much as possible when a load is short-circuited. ;CONSTITUTION: This circuit has a transistor Q<Sub>1</Sub> for constant current supply which is applied with a supplied voltage at its base through a...
Small Power Driver With Low Ripple Feature Installation Independent. Supply connection: Terminal block. Load connection Series connection. Short circuit protection: Thermal protection. Compliance ≤agnetic Emission E≥55015. Harmonic E≥61000-3-2 Flicker E≥61000-3-3. Immunity E≥61547 Safety IEC...
.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...
A constant-current Light Emitting Diode (LED) driver circuit is provided, and the circuit includes: an output voltage adjustable circuit and at least one path of LED load, wherein the output voltage adjustable circuit comprises: a switch... L Ge,X Yao,G Hua,... - EP 被引量: 4发表: ...