UBA2025T

CFL power IC


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The UBA2025 is a high voltage power IC intended to drive and control a Compact Fluorescent Lamp (CFL). It contains a half-bridge power circuit, an oscillator and a control circuit for starting up, preheating, ignition, lamp burning and protection.

Features and benefits

  • Two internal 600 V, 3 Ω max NMOST half-bridge power FETs
  • For steady state half-bridge currents up to 280 mA
  • For ignition half-bridge currents up to 1.5 A
  • Adjustable preheat and ignition time
  • Adjustable preheat current
  • Adjustable lamp power
  • Lamp temperature stress protection at higher mains voltages
  • Capacitive mode protection
  • Protection against too low a drive voltage for the power MOSFETs

Applications

  • 5 W to 25 W CFLs provided that the maximum junction temperature is not exceeded
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block diagram: UBA2025T
Block diagram: UBA2025T

Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
Vi(VDC)input voltage on pin VDCoperating556V
VDDsupply voltage12.5V
Ronon-state resistancehalf-brigde power3Ω
Tjjunction temperature-40150°C
Plampburner power23W
VI(VDC)input voltage on pin VDCoperating556V
Vmainsmains voltage230V

Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
UBA2025T/N1UBA2025T/N1,5189352 878 38518Volume productionSOT162-1
(SO16) 		Reel Dry Pack, SMD, 13"Standard Marking

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1PGNDpower groundPin assignmentSOT162-1 (SO16)
2GLILS gate power MOSFET, must be connected to GLO
3S1Bhalf bridge point, must be connected to S1A
4S1Ahalf bridge point, must be connected to S1B
5FSfloating supply
6VSIC supply
7GLOLS driver output, must be connected to GLI
8GNDdiepad ground
9CPAVpreheat and averaging capacitor
10RScurrent monitoring input
11IREFreference resistor
12SGNDsignal ground
13CFoscillator capacitor
14RHVstart-up/feed forward input
15CIintegrating capacitor
16VDChigh voltage power input

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
UBA2025T/N1UBA2025T/N1,518UBA2025T/N1Always Pb-free3
Quality and reliability disclaimer

Quality and reliability disclaimer

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NXP Semiconductors is providing this data for your convenience only. Please note however that NO WARRANTY, REPRESENTATION, GUARANTEE OR LEGALLY BINDING PRODUCT DESCRIPTION is provided by publishing this informational data, nor does NXP Semiconductors acknowledge or accept any liability related thereto. The documentation and data on NXP Semiconductors products can be found in the data sheets as officially published by NXP Semiconductors. For all purchase of products from NXP Semiconductors the NXP Semiconductors' General Terms and Conditions of Commercial Sale will apply.

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Documentation for this product

TypeFormatTitleDate
Data sheetpdfCFL power IC (v.1.0)2009-10-16
Application notepdfSMPS EMC and layout guidlines (v.1.0)2011-02-18
LeafletpdfOptimize the cost, size, and efficiency of fluorescent lighting; NXP Driver ICs for CFL/HF-TL applications (v.1.0)2009-08-01
LogogifGreenChip logo (v.1.0)2012-04-20
User manualpdfUBA2025 CFL 23W, 230V and 120 V demo board user manual (v.1.0)2011-04-27

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
UBA2025T/N19352 878 38518UBA2025T/N1,518NAFUTURE ELECTRONICS9475/22/2012Buy online 
   EUFUTURE ELECTRONICS UK9475/22/2012Buy online 
   ASIAFUTURE ELECTRONICS- ASIA9475/22/2012Buy online 
   NAAVNET EXPRESS2005/23/2012Buy online 
   ASIAAVNET EXPRESS ASIA505/7/2012Buy online 
   ASIAELEMENT14 APAC255/23/2012Buy online 
   ASIASACL - Hong Kong/Chinayes100005/01/2012Buy online 
   JAPANCHIP ONE STOPyes05/14/2012Buy online 

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