TEA1753T

HV start-up DCM/QR flyback controller with integrated DCM/QR PFC controller


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The TEA1753T is the third generation of green Switched Mode Power Supply (SMPS) controller ICs. The TEA1753T combines a controller for Power Factor Correction (PFC) and a flyback controller. Its high level of integration allows the design of a cost-effective power supply with a very low number of external components.

Features and benefits

  • Integrated PFC and flyback controller
  • Dual boost PFC with accurate maximum output voltage
  • Adjustable PFC switch-off delay
  • On-chip high voltage start-up current source
  • Power down functionality for very low standby power
  • Valley/zero voltage switching for both flyback and PFC
  • PFC is switched off when a low load is detected at the flyback output
  • Frequency reduction to maintain high efficiency at low output power levels
  • Continuous mode protection by means of demagnetization detection
  • Accurate OverVoltage Protection (OVP) for both converters
  • Mains voltage independent OverPower Protection (OPP)
  • Open control loop protection for both converters
  • General purpose input for latched protection
  • Adjustable output overpower protection for flyback converter

Applications

  • Cost-effective power supply solution for up to 250 W
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

Block Diagram
Block Diagram

Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
Vstartupstart-up voltage212223V
fsw(PFC)maxmaximum PFC switching frequency250kHz
fsw(fb)maxmaximum flyback switching frequency100125150kHz
Tjjunction temperature-40150°C
VHVvoltage on pin HV-0.4650V
VCCsupply voltage-0.438V
Vth(UVLO)undervoltage lockout threshold voltage141516V

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
TEA1753T/N1TEA1753T/N1,5189352 932 05518Volume productionSOT109-1
(SO16) 		Reel Dry Pack, SMD, 13"Standard Marking

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1VCCsupply voltagePin configuration TEA1753T(SOT109-1)SOT109-1
2GNDground
3FBCTRLcontrol input for flyback
4FBAUXinput from auxiliary winding for demagnetization timing and overvoltage protection for flyback
5LATCHgeneral purpose protection input
6PFCCOMPfrequency compensation pin for PFC
7VINSENSEsense input for mains voltage
8PFCAUXinput from auxiliary winding for demagnetization timing for PFC
9VOSENSEsense input for PFC output voltage
10FBSENSEprogrammable current sense input for flyback
11PFCSENSEprogrammable current sense input for PFC
12PFCDRIVERgate driver output for PFC
13FBDRIVERgate driver output for flyback
14PFCTIMERdelay timer pin for PFC on/off control
15HVShigh voltage safety spacer, not connected
16HVhigh voltage start-up and valley sensing of flyback part

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT109-1SO16plastic small outline package; 16 leads; body width 3.9 mmMS-012 (JEDEC); 076E07 (IEC); 2003-02-19

Related documents

Reflow soldering

Selection guide

Wave soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
TEA1753T/N1TEA1753T/N1,518TEA1753T/N1Always Pb-free33
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Documentation for this product

File nameTitleTypeFormatDate
TEA1753TGreenChip III SMPS control ICData sheetpdf2012-08-24
AN11013DCM Flyback SMPS controllerApplication notepdf2011-03-21
AN11012Reducing standby powerApplication notepdf2011-03-30
001aan129GreenChip logoLogogif2012-04-20
UM1044490 W notebook adapter with TEA1753, TEA1703 and TEA1791User manualpdf2011-04-04

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
TEA1753T/N19352 932 05518TEA1753T/N1,518EUFarnell Europe2,495105/17/2013Buy online 
   ASIAElement 14100117/05/2013Buy online 
   JAPANCHIP ONE STOP5005/17/2013Buy online 
   NAFUTURE ELECTRONICS105/16/2013Buy online 
   EUFUTURE ELECTRONICS UK105/16/2013Buy online 
   ASIAFUTURE ELECTRONICS- ASIA105/16/2013Buy online 

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