BP2329A 是一款带有源功率因数校正的高精度降压型 LED 恒流控制芯片,适用于 85Vac-265Vac 全范围输入电压的非隔离降压式 LED 恒流电源。 BP2329A集成有源功率因数校正电路,可以实现很高的功率因数和很低的总谐波失真。由于工作在电感电流临界连续模式,功率 MOS 管处于零电流开通状态,开关损耗得以减小,同时电感的利用率也较高。 BP2329A 采用***的浮地构架,对电感电流进行全周期采样,可实现高精度输出恒流控制,并达到优异的线电压调整率和负载调整率。 &nb
智兴丰到货杰华特产品JW7700A JW7700A is a synchronous rectifier for Flybackconverters. It integrates a 40V power MOSFETthat can replace Schottky diode for high efficiency.It turns on the internal MOSFET iftheVsw
智兴丰到货杰华特产品JW1236BJW1236B is used to drive a LED string (≤80V),and remove the 100/120Hz current ripple onAC/DC power by a capacitor between VC andGND.If the voltage on LED pin exceeds 5V, the currentripple removing function is disabled, which couldhelp to limit the power dissipation on chip.JW1236B p