UBA20271T: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。

特性和优势
    • 两个内部350 V、1.0 Ω、最大5.0 A NMOST半桥功率FET
    • 集成式自举二极管提供集成式高压电平转换功能
    • 启动时线圈饱和保护
    • 可调饱和保护电平
    • 可调预热时间
    • 可调预热电流
    • 启动灯具电流检测
    • 可调升压时序
    • 固定升压电流比为1.5
    • 逐步升压至发热的转换时序
    • 用于标准切相调光器的连续变化调光功能
    • 对数校正自然调光曲线
    • 可调节最小调光等级(MDL)
    • 控制灯具开启/关闭
    • 升压和发热状态均提供电流控制
    • 外部省电功能
    • 灯具闪烁抑制
    • 升压和发热状态均提供过流保护(OCP)
    • 电容模式保护(CMP)
    • 过功率保护(OPP)
    • 省电功能
    • 过温保护(OTP)
应用
    • 用于功率水平为5 W至20 W的可调光紧凑型荧光灯
产品图片
功能框图
Block diagram UBA20271/2
关键参数
SymbolParameterConditionsMinTyp/NomMaxUnit
VDHSvoltage on pin DHSTamb = -25 °C340V
VDHSvoltage on pin DHSTamb = 25 °C350V
VDDsupply voltage14V
Ronon-state resistanceHigh Side11.3Ω
Ronon-state resistanceLow Side11.3Ω
Tjjunction temperature-40150°C
Plamplamp power20W
Vmainsmains voltage120V
封装与包装
型号封装Outline versionReflow-/Wave soldering包装产品状态标示可订购的器件编号, (订购码 (12NC))
UBA20271T/1
SO20
(SOT163-1)
sot163-1_poReflow_Soldering_Profile
Wave_Soldering_Profile
Reel 13" Q1/T1 in Drypack量产Standard MarkingUBA20271T/1,518( 9352 953 24518 )
引脚配置信息
PinSymbolDescription外形简图图形符号
1SLSsource low-side switch
2SLSsource low-side switch
3SLSsource low-side switch
4LSATcoil saturation level input
5PGNDpower ground
6VDDlow voltage supply
7RREFinternal reference current input
8CFvoltage controlled oscillator capacitor
9MDLminimum dimming level input
10CIvoltage controlled oscillator input integrating capacitor
11CSIcurrent feedback sense input
12DCIdimming level input
13CPpreheat timing capacitor
14CBboost timing capacitor
15SGNDsignal ground
16FSfloating supply voltage
17HBOhalf-bridge output
18DHShigh voltage supply
19HBOhalf-bridge output
20HBOhalf-bridge output
无铅环保信息
型号可订购的器件编号RoHS / RHF无铅转换日期潮湿敏感度等级MSL LF
UBA20271T/1UBA20271T/1,518Always Pb-free33
文档资料
档案名称标题类型格式日期
UBA20271_UBA20272 (中文)350 V and 600 V Power ICs for dimmable compact fluorescent lampsData sheetpdf2011-10-12
AN10912SMPS EMC and layout guidlinesApplication notepdf2011-02-18
AN10961Dimmable CFL using the UBA2027X familyApplication notepdf2012-06-08
AN10803Triac dimmable CFL application using the UBA2028/UBA2014/UBA2027xApplication notepdf2012-02-27
75017208NXP GreenChip lighting driver ICs UBA2026x and UBA2027xLeafletpdf2012-01-30
001aan129GreenChip logoLogogif2012-04-20
UBA20271_20272_Datasheet_Chinese_DS_CNUBA20271/2, 用于可调光紧凑型荧光灯的350V和600V功率芯片中文产品数据手册Other typepdf2012-08-02
R_10018Smart lighting: A bright idea whose time has comeReportpdf2011-12-20
75017328NXP GreenChip Lighting Solutions selection guide: The smarter way to energy efficiencySelection guidepdf2012-10-29
Wave_Soldering_ProfileWave Soldering ProfileWave solderingpdf2013-09-30
SOT163-1_518SO20; Reel dry pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,518 or Y Ordering code (12NC) ending 518Packingpdf2014-12-16
sot163-1_poplastic small outline package; 20 leads; body width 7.5 mmOutline drawingpdf2009-10-08
Reflow_Soldering_ProfileReflow Soldering ProfileReflow solderingpdf2013-09-30
订购信息
型号订购码 (12NC)可订购的器件编号
UBA20271T/19352 953 24518UBA20271T/1,518
350 V and 600 V Power ICs for dimmable compact fluorescent lamps UBA20272T
UBA20272T
SMPS EMC and layout guidlines UBA20270DB1122
Dimmable CFL using the UBA2027X family UBA20272T
Triac dimmable CFL application using the UBA2028/UBA2014/UBA2027x UBA20272T
NXP® GreenChip lighting driver ICs UBA2026x and UBA2027x UBA20272T
GreenChip logo NE57814DD
UBA20271/2, 用于可调光紧凑型荧光灯的350V和600V功率芯片中文产品数据手册 UBA20271T
Smart lighting: A bright idea whose time has come UBA20272T
NXP GreenChip Lighting Solutions selection guide: The smarter way to energy efficiency UBA2037TS
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
SO20; Reel dry pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,518 or... NPIC6C4894_Q100
plastic small outline package; 20 leads; body width 7.5 mm SA615
Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20