Please enter your name. A good trade-off is achieved in the internal driver with suitable strength. Current sense CS resistor The CS resistor ground should be as close to the chip ground as possible to reduce the ground noise coupled, which improves the quality of the sensing signal. The LED current is decided by the internal constant current control, which is given by: Please enter Mobile Number. Due to the critical work in the inductor current continuous mode, power MOS at zero current turn state, the switching losses can be reduced, while the utilization of the transformer is higher.
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BP works in discontinuous inductive current mode. As well, a series of quality oed is performed on these LED drivers to make a fault free delivery from our end. Tell us what you need by filling in the form.
Due to the critical work in the inductor current continuous mode, power MOS at zero current turn state, the switching losses can be reduced, while the utilization of the transformer b;3108 higher.
Another 19V clamp circuitry is offered to prevent the chip from damage on abnormal situation. It can precisely control the LED current without secondary side sense and feedback circuits. BP integrates the triac dimming control circuit internally. In addition, BP eld regulatory function, reduce overheating when the power supply output current drive to improve the reliability of the system.
The system reliability is further improved by the thermal regulation function. This control method also achieves excellent line and load regulation. And the line compensation factor can also be tuned externally for flexibility. The BP utilizes patent pending current control method.
A good trade-off is achieved in the internal driver with suitable bp31088.
BP3108 Datasheet PDF
bp33108 Please enter your name. The operation frequency is given by: Welding DS EN Please bp33108 Mobile Number. For the parameters without minimum and maximum value in the EC table, the typical value defines the operation range, the accuracy is not guaranteed by spec.
Thanks to the high efficiency up to HLGH is equipped with various function options, such as dimming methodologies, so as to provide the optimal design flexibility for LED lighting system. The FB bpp3108 resistor is also used to adjust the Vcs threshold to compensation the input voltage change. The CS is connected to non-inverting inputs of the current sense comparator. Get a Best Deal. The comparator is constantly comparing the CS voltage to the internal mV.
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Compare Quotations and seal the deal. The patented control method dramatically saves the system cost and size by eliminating all secondary feedback circuitry and loop control compensation circuitry.
BP3108 LED Driver
After the system is powered on, the Vcc capacitor is charged through the start-up resistor, once the Vcc voltage I P? All protection have automatic restart function. The maximum operating frequency should be lower than 80KHz, while the minimum system frequency should be higher than 20KHz.
BP is assembled in SOP-8 package.
LED Driver flyer BPSemi _百度文库
The LED current is decided by the internal constant current control, which is given by: BP multiple protection features built-in to enhance system reliability, include open LED protection, LED short circuit protection, chip supply over voltage protection, under voltage protection, current sampling resistor open circuit protection and by-cycle current limit and so on.
BP integrated active power factor correction circuit can achieve high power factor and low total harmonic distortion. The thermal shutdown circuitry senses the die temperature.
The BP utilizes patented line and load oed compensation method to achieve excellent line and load regulation.