TEA18361T

GreenChip SMPS control IC


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The TEA18361T is a controller IC for low-cost Switched Mode Power Supplies (SMPS). It is intended for DCM / QR flyback topologies. The built-in green functions provide high efficiency at all power levels.

Features and benefits

  • SMPS controller IC for low-cost applications
  • Large supply voltage range (up to 30 V)
  • Integrated high-voltage start-up
  • Continuous VCC regulation during start-up and protection via the HV pin, allowing a minimum VCC capacitor value
  • Reduced opto current in burst mode enabling low no load power consumption
  • Operating frequencies in all operating modes are outside the audible area
  • Integrated X-capacitor discharge
  • Adjustable soft start
  • Power-down mode via the PROTECT pin
  • Low supply current during normal operation (0.6 mA without load)
  • Low supply current during non-switching state in burst mode (0.2 mA)
  • Valley switching for minimum switching losses
  • Frequency reduction with fixed minimum peak current to maintain high efficiency at low output power levels
  • Mains voltage independent OverPower Protection (OPP)
  • OverTemperature Protection (OTP)
  • Integrated overpower time-out
  • Continuous mode protection using demagnetization detection
  • Accurate OverVoltage Protection (OVP)
  • General-purpose input for latched protection; for use with system OverTemperature Protection (OTP)

Applications

  • Applications requiring efficient and cost-effective power supply solutions up to 75 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

Demo boards

TEA1836DB1094TEA1836DB1094

TEA1836 65W / 19.5V QR/ DCM Adapter

TEA1836DB1200TEA1836DB1200

TEA1836 45W / 19.5V QR / DCM Wall Charger


Parametrics of this product

SymbolParameterConditionsMinTyp/NomMaxUnit
Vstartupstart-up voltage13.414.916.4V
fsw(max)maximum switching frequency125132.5140kHz
fsw(min)minimum oscillator frequency232527kHz
ICC(startup)start-up supply currentVsup = 0 V40µA
ICC(startup)start-up supply currentVsup > 10 V-1.35-1.05-0.75mA
Tjjunction temperature-40150°C
VCCsupply voltagecontinuous-0.430V
VCCsupply voltaget < 100 ms35V
Vth(UVLO)undervoltage lockout threshold voltage99.910.8V

Similar products

Package

Type numberPackageOutline versionReflow-/Wave solderingPackingProduct statusMarkingOrderable part number, (Ordering code (12NC))
TEA18361T/1SO14
(SOT108-1)
sot108-1_poSO-SOJ-REFLOW
SO-SOJ-WAVE
Reel Pack, SMD, 13" Q1/T1ActiveStandard MarkingTEA18361T/1J
( 9353 011 64118 )

Pinning information

PinSymbolDescriptionSimplified outlineGraphic symbol
1VCCsupply voltageTEA18361T pinning diagramSOT108-1
2GNDground
3n.c.not connected
4DRIVERgate driver output
5n.c.not connected
6ISENSEcurrent sense input
7n.c.not connected
8n.c.not connected
9AUXauxilliary winding for demagnetization timing, valley detect, overpower correction and OVP
10CTRLcontrol input
11PROTECTgeneral purpose protection input; pin for power-down mode
12n.c.high-voltage safety spacer; not connected
13n.c.high-voltage safety spacer; not connected
14HVhigh-voltage start-up; active X-capacitor discharge

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateMSLMSL LF
TEA18361T/1TEA18361T/1JTEA18361T/1Always Pb-free11
Quality and reliability disclaimer

Quality and reliability disclaimer

Important Legal Notice on the product/generic quality information, No Warranty

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.

NXP SEMICONDUCTORS PROVIDES THE DATA HEREUNDER “AS IS” WITHOUT WARRANTY WHATSOEVER. NXP SEMICONDUCTORS DOES NOT WARRANT OR REPRESENT THAT ANY DATA PROVIDED ON THIS WEBSITE IS CORRECT OR FIT FOR A PARTICULAR PURPOSE WHATSOEVER. IT IS PROVIDED WITHOUT ANY WARRANTY WHATSOEVER, WHETHER EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, COMPLETENESS NONINFRINGEMENT OF INTELLECTUAL PROPERTY OR OTHERWISE AND MAY BE CHANGED, MODIFIED OR DELETED BY NXP SEMICONDUCTORS AT ANY TIME.

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Documentation for this product

File nameTitleTypeFormatDate
TEA18361TGreenChip SMPS control ICData sheetpdf2013-12-12
AN11403TEA1836XT GreenChip SMPS control ICApplication notepdf2014-04-18
75017392NXP GreenChip SMPS Control IC TEA1836Leafletpdf2013-12-13
75017560NXP GreenChip 45 W adapter solutionLeafletpdf2014-10-22
TEA1836_UL_CertificationTEA1836 UL CertificationOther typepdf2014-10-08
TEA1836_Nemko_CertificationTEA1836 Nemko CertificationOther typepdf2014-10-08
UM10758TEA1836DB1094 TEA1836 + TEA1792 65 W notebook adapterUser manualpdf2013-12-04
SOT108-1_118SO14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packingpdf2013-04-08
SO-SOJ-REFLOWFootprint for reflow solderingReflow solderingpdf2009-10-08
SO-SOJ-WAVEFootprint for wave solderingWave solderingpdf2009-10-08
sot108-1_poplastic small outline package; 14 leads; body width 3.9 mmOutline drawingpdf2009-10-08

Ordering & availability

Type numberOrdering code (12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
TEA18361T/19353 011 64118TEA18361T/1J       

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Demo boards

TEA1836DB1094TEA1836DB1094

TEA1836 65W / 19.5V QR/ DCM Adapter

TEA1836DB1200TEA1836DB1200

TEA1836 45W / 19.5V QR / DCM Wall Charger

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