SSL4120T

Resonant power supply controller IC with PFC for LED lighting


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This Greenchip solution, combining a PFC and an HBC, delivers high efficiency (>93%), low THD (<10%), and high PF (>0.97) in high-power LED applications from 75 to 400 W.

Features and benefits

  • Integrated PFC and HBC
  • Universal mains operation: 90 to 305 V
  • High efficiency due to valley/zero voltage switching
  • PFC in boundary mode operation with on-time control
  • HBC burst mode switching
  • Constant-current or constant-voltage configurations
  • Fully protected (OVP, SCP, OTP)
  • Dimmable
  • High efficiency for high-power lighting
  • Low THD and high PF to meet lighting regulations
  • Compact design
  • Cost-effective solution

Applications

  • Indoor and outdoor high-power LED lighting
  • Office panel lighting
  • High-bay and low-bay lighting
  • Parking garages and area lighting
  • Street lighting
All information on this product information page is subject to the subsequent disclaimers:
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Show functional diagram

SSL4120T
SSL4120T

Demo boards

SSL4120DB1123SSL4120DB1123

SSL4120T 90W 48V 1.875A dimmable isolated LED driver reference board


Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
flimit(HB)frequency limit on pin HBCfmin = 20 pF670kHz
fmax(PFC)maximum PFC frequency460kHz
Plamplamp power400W
Vmainsmains voltage100277V

Package

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
SSL4120T/1SSL4120T/1,5189352 983 46518Volume productionSOT137-1
(SO24) 		Reel Dry Pack, SMD, 13"Standard Marking

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1COMPPFCfrequency compensation for PFC controllerPin configurationSOT137-1 (SO24)
2SNSMAINSsense input for mains voltage
3SNSAUXPFCsense input for PFC demagnetization timing
4SNSCURPFCsense input for momentary current and soft start of the PFC controller
5SNSOUTsense input for monitoring the output voltage of the HBC; sense input for burst mode of HBC controller or PFC and HBC controllers
6SUPIClow-voltage supply for SUPIC input; output of internal HV start-up source
7GATEPFCgate driver output for PFC MOSFET
8PGNDpower ground; reference (ground) for HBC low-side and PFC driver
9SUPREGregulated SUPREG IC supply; output from internal regulator; input for drivers
10GATELSgate driver output for low-side MOSFET of HBC
11n.c.not connected; high-voltage spacer
12SUPHVhigh-voltage supply input for internal HV start-up source
13GATEHSgate driver output for high-side MOSFET of HBC
14SUPHShigh-side driver supply input
15HBreference for high-side driver; input for half-bridge slope detection
16n.c.not connected; high-voltage spacer
17SNSCURHBCsense input for momentary HBC current
18SGNDsignal ground; reference (ground) for IC
19CFMINminimum frequency setting for HBC
20RFMAXmaximum frequency setting for HBC
21SNSFBsense input for output voltage regulation feedback
22SSHBC/ENcombined soft start timing of HBC and IC enable input; enabling of PFC or PFC and HBC controllers
23RCPROTprotection timer setting for time-out and restart
24SNSBOOSTsense input for boost voltage

Outline drawing

Package VersionPackage NamePackage DescriptionReference CodesIssue Date
SOT137-1SO24plastic small outline package; 24 leads; body width 7.5 mmMS-013 (JEDEC); 075E05 (IEC); 2003-02-19

Related documents

Reflow soldering

Wave soldering

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
SSL4120T/1SSL4120T/1,518SSL4120T/1Always Pb-free33
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Documentation for this product

File nameTitleTypeFormatDate
SSL4120Resonant power supply controller IC with PFC for LED lightingData sheetpdf2012-11-01
AN11227SSL4120 reasonant power supply control IC with PFCApplication notepdf2012-11-27
75017335NXP 75 to 400 W resonant controller with PFC SSL4120TLeafletpdf2012-10-17
UM10575SSL4120T 90 W LED driver demo boardUser manualpdf2012-12-05

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
SSL4120T/19352 983 46518SSL4120T/1,518NAWPG AMERICAS INC.10,0005/21/2013Buy online 
   NADIGI-KEY CORPORATION1795/21/2013Buy online 

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Demo boards

SSL4120DB1123
SSL4120DB1123

SSL4120T 90W 48V 1.875A dimmable isolated LED driver reference board

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