UC3842AD8Alternatives & Equivalent Parts

UC3842AD8 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About UC3842AD8

UC3842AD8 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterUC3842AD8SourceUC2842AD8STP6NK60ZFPGBU806LMC6484AIN/NOPBLMC6484INUC3842ADUC3842ADWUC3842AD8TR
ManufacturerTexas InstrumentsTexas InstrumentsSTMicroelectronicsDiodes Inc.Texas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline PackagesTransistor Outline, VerticalOtherDual-In-Line PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline Packages
Pin Count88341414168
Temperature Range~ 70.0°C-40.0°C ~ 85.0°C~ 150.0°C-55.0°C ~ 150.0°C-40.0°C ~ 85.0°C~ 70.0°C~ 70.0°C~ 70.0°C
Price$0.3760$0.1284$0.9100$0.1591$1.4560$2.0500$0.5274$0.7721$0.4390
StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEOBSOLETEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE
Electrical Parameters
YTEOL005.871501515
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLER
Control ModeCURRENT-MODECURRENT-MODECURRENT-MODECURRENT-MODECURRENT-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max28 V28 V30 V28 V28 V
Input Voltage-Min11.5 V11 V11.5 V11.5 V11.5 V
Input Voltage-Nom15 V15 V15 V15 V15 V
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PSFM-T3R-PSFM-T4R-PDIP-T14R-PDSO-G14R-PDSO-G16R-PDSO-G8
JESD-609 Codee4e4e3e3e4e0e4e4
Number of Functions114111
Output Current-Max1 A1 A8 A1 A1 A1 A
Output Voltage-Max5.1 V5.05 V5.1 V5.1 V5.1 V
Output Voltage-Min4.9 V4.95 V4.9 V4.9 V4.9 V
Output Voltage-Nom5 V5 V5 V5 V5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.25DIP14,.3SOP14,.25SOP16,.4SOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINEFLANGE MOUNTFLANGE MOUNTIN-LINESMALL OUTLINESMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)260260NOT SPECIFIED260235260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Supply Current-Max (Isup)25 mA25 mA25 mA25 mA
Supply Voltage-Max (Vsup)28 V28 V28 V28 V
Supply Voltage-Min (Vsup)16 V16 V16 V16 V
Supply Voltage-Nom (Vsup)11 V11 V5 V11 V11 V
Surface MountYESYESNONONOYESYESYES
Switcher ConfigurationBUCK-BOOSTBUCK-BOOSTSINGLEBUCK-BOOSTBUCK-BOOST
Switching Frequency-Max500 kHz500 kHz500 kHz500 kHz500 kHz
TechnologyBIPOLARBIPOLARCMOSBIPOLARBIPOLARBIPOLAR
Temperature GradeCOMMERCIALINDUSTRIALINDUSTRIALCOMMERCIALCOMMERCIALCOMMERCIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn) - annealedMatte Tin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)TIN LEADNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WINGTHROUGH-HOLETHROUGH-HOLETHROUGH-HOLEGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm2.54 mm1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALSINGLESINGLEDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)NOT SPECIFIED30NOT SPECIFIED303030
## UC3842AD8 Alternates Showing resultsImage
Factory Lead Time13 Weeks12 Weeks4 Weeks
Date Of Intro1980-01-04
Avalanche Energy Rating (Eas)210 mJ
Case ConnectionISOLATEDISOLATED
ConfigurationSINGLE WITH BUILT-IN DIODEBRIDGE, 4 ELEMENTS
DS Breakdown Voltage-Min600 V
Drain Current-Max (ID)6 A
Drain-source On Resistance-Max1.2 Ω
FET TechnologyMETAL-OXIDE SEMICONDUCTOR
JEDEC-95 CodeTO-220AB
Number of Elements14
Operating ModeENHANCEMENT MODE
Polarity/Channel TypeN-CHANNEL
Power Dissipation-Max (Abs)32 W
Pulsed Drain Current-Max (IDM)24 A
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICON
Pbfree CodeNoYesYesYes
Breakdown Voltage-Min600 V
Diode Element MaterialSILICON
Diode TypeBRIDGE RECTIFIER DIODE
Forward Voltage-Max (VF)1 V
Non-rep Pk Forward Current-Max200 A
Number of Phases1
Reference StandardUL RECOGNIZED
Rep Pk Reverse Voltage-Max600 V
Amplifier TypeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Average Bias Current-Max (IIB)0.000004 µA
Bias Current-Max (IIB) @25C0.000004 µA
Common-mode Reject Ratio-Min70 dB
Common-mode Reject Ratio-Nom82 dB
Frequency CompensationYES
Input Offset Current-Max (IIO)0.000002 µA
Input Offset Voltage-Max750 µV
Low-BiasYES
Low-OffsetNO
MicropowerNO
Packing MethodTUBE
PowerNO
Programmable PowerNO
Slew Rate-Min0.7 V/us
Slew Rate-Nom1.3 V/us
SubcategoryOperational Amplifier
Supply Current-Max2.5 mA
Supply Voltage Limit-Max16 V
Unity Gain BW-Nom1500
Voltage Gain-Min13000
WidebandNO
## LMC6484AIN/NOPB Alternates Showing resultsImage
## UC3842AD Alternates Showing resultsImage
## UC3842AD8TR Alternates Showing resultsImage

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Need pricing on these alternatives?

Get one quote covering all 8 alternatives for UC3842AD8 — response within 24 hours.

Quick Links

UC2842AD8by Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8

GBU806

suggested

LMC6484IN

suggested

UC3842ADby Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

UC3842ADWby Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO16

UC3842AD8TRby Texas Instruments

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8

Why Look for Alternatives?

Finding alternatives for UC3842AD8 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating UC3842AD8 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to UC3842AD8?

Known equivalents for UC3842AD8 include UC2842AD8, STP6NK60ZFP, GBU806. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UC3842AD8?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify UC3842AD8 alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.