UBA20272T

用于CFL的可调光驱动器IC; 两个内部600 V、3.0 Ω、最大2.7 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 点燃期间的线圈饱和保护\n 可调饱和保护电平\n 可调预热时间\n 可调预热电流\n 点燃灯具电流检测\n 可调升压时间\n 固定升压电流比为1.5\n 逐步升压至点火的转换时序\n 用于标准切相调光器的连续变化调光功能\n 通过对数修正的自然调光曲线\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 外部掉电功能\n 灯光闪烁抑制\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 过热保护(OTP)\n;

UBA20272是一款高压功率IC，用于驱动和控制230 V市电供电的高功率自镇流可调光紧凑型荧光灯(CFL)。UBA20272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。UBA20272采用高效率dV/dt电源电路供电。\n

UBA20272T

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

ECWH20272HV

PlasticFilmCapacitors

Features ●Low-loss ●Excellentelectricalcharacteristics ●Flameretardantepoxyresincoating ●RoHScompliant Recommendedapplications ●Highfrequencyhighvoltagecircuit(Generalresonance,invertercircuit)

ECWH20272HVB

PlasticFilmCapacitors

Features ●Low-loss ●Excellentelectricalcharacteristics ●Flameretardantepoxyresincoating ●RoHScompliant Recommendedapplications ●Highfrequencyhighvoltagecircuit(Generalresonance,invertercircuit)

ECWH20272HVC

PlasticFilmCapacitors

Features ●Low-loss ●Excellentelectricalcharacteristics ●Flameretardantepoxyresincoating ●RoHScompliant Recommendedapplications ●Highfrequencyhighvoltagecircuit(Generalresonance,invertercircuit)

ECWH20272JV

PlasticFilmCapacitors

Features ●Low-loss ●Excellentelectricalcharacteristics ●Flameretardantepoxyresincoating ●RoHScompliant Recommendedapplications ●Highfrequencyhighvoltagecircuit(Generalresonance,invertercircuit)

ECWH20272JVB

PlasticFilmCapacitors

Features ●Low-loss ●Excellentelectricalcharacteristics ●Flameretardantepoxyresincoating ●RoHScompliant Recommendedapplications ●Highfrequencyhighvoltagecircuit(Generalresonance,invertercircuit)

ECWH20272JVC

PlasticFilmCapacitors

Features ●Low-loss ●Excellentelectricalcharacteristics ●Flameretardantepoxyresincoating ●RoHScompliant Recommendedapplications ●Highfrequencyhighvoltagecircuit(Generalresonance,invertercircuit)

ECWH20272V

Designedforhighfrequencyandpluseapplications.

UBA20272

350Vand600VPowerICsfordimmablecompactfluorescentlamps