350 V and 600 V Power ICs for dimmable compact fluorescent lamps

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飞利浦

350 V and 600 V Power ICs for dimmable compact fluorescent lamps

General description The UBA20271/2 are high-voltage power ICs intended to drive and control higher powered self ballasted Compact Fluorescent Lamp (CFL) lighting applications. The UBA20271/2 operate from 120 V and 230 V. The module includes a half-bridge power circuit of two NMOST power FETs. In

文件：464.25 Kbytes 页数：33 Pages

恩XP

350 V and 600 V Power ICs for dimmable compact fluorescent lamps

General description The UBA20271/2 are high-voltage power ICs intended to drive and control higher powered self ballasted Compact Fluorescent Lamp (CFL) lighting applications. The UBA20271/2 operate from 120 V and 230 V. The module includes a half-bridge power circuit of two NMOST power FETs. In

文件：464.25 Kbytes 页数：33 Pages

恩XP

用于CFL的可调光驱动器IC

UBA20271是一款高压功率IC，用于驱动和控制120 V市电供电的高功率自镇流可调光紧凑型荧光灯(CFL)。UBA20271集成由两个NMOST功率FET组成的半桥功率电路，具有高级调光功能和用于升压冷光（汞）CFL灯的灯电流控制升压功能。 控制器提供半桥驱动功能，包括集成自举二极管的高压电平转换电路、振荡器、用于预热和点亮的电流控制功能、定时器以及保护电路。UBA20271采用高效率dV/dt电源电路供电。 两个内部350 V、1.0 Ω、最大5.0 A NMOST半桥功率FET\n集成式自举二极管提供集成式高压电平转换功能\n启动时线圈饱和保护\n可调饱和保护电平\n可调预热时间\n可调预热电流\n启动灯具电流检测\n可调升压时序\n固定升压电流比为1.5\n逐步升压至发热的转换时序\n用于标准切相调光器的连续变化调光功能\n对数校正自然调光曲线\n可调节最小调光等级(MDL)\n控制灯具开启/关闭\n升压和发热状态均提供电流控制\n外部省电功能\n灯具闪烁抑制\n升压和发热状态均提供过流保护(OCP)\n电容模式保护(CMP)\n过功率保护(OPP)\n省电功能\n过温保护(OTP);

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