UC2879DWTRG4Alternatives & Equivalent Parts

UC2879DWTRG4 is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About UC2879DWTRG4

UC2879DWTRG4 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

ParameterUC2879DWTRG4SourceUC2879DWG4UC3879DWUC3879DWTRUC2879DWTR
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeSmall Outline PackagesSmall Outline Packages—Small Outline PackagesSmall Outline Packages
Pin Count2020—2020
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C—~ 70.0°C-40.0°C ~ 85.0°C
Price$5.7573$7.8936$5.0000$8.8100$10.7708
StockIn StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETEACTIVE—ACTIVEACTIVE
Electrical Parameters
Pbfree CodeYesYes—YesYes
YTEOL015—1515
Additional FeatureALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANTALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT—ALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANTALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLER—SWITCHING CONTROLLERSWITCHING CONTROLLER
Control ModeCURRENT/VOLTAGE-MODECURRENT/VOLTAGE-MODE—CURRENT/VOLTAGE-MODECURRENT/VOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATION—PULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max20 V20 V—20 V20 V
Input Voltage-Min11 V11 V—11 V11 V
Input Voltage-Nom12 V12 V—12 V12 V
JESD-30 CodeR-PDSO-G20R-PDSO-G20—R-PDSO-G20R-PDSO-G20
JESD-609 Codee4e4—e4e4
Number of Functions11—11
Output Current-Max0.1 A0.1 A—0.1 A0.1 A
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXY—PLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP20,.4SOP20,.4—SOP20,.4SOP20,.4
Package ShapeRECTANGULARRECTANGULAR—RECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINE—SMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)260260—260260
Qualification StatusNot QualifiedNot Qualified—Not QualifiedNot Qualified
Supply Current-Max (Isup)35 mA35 mA—35 mA35 mA
Supply Voltage-Max (Vsup)29 V29 V——29 V
Supply Voltage-Min (Vsup)10.75 V10.75 V——10.75 V
Surface MountYESYES—YESYES
Switcher ConfigurationPUSH-PULLPUSH-PULL—BUCK-BOOSTPUSH-PULL
Switching Frequency-Max300 kHz300 kHz—300 kHz300 kHz
TechnologyBIPOLARBIPOLAR—BIPOLARBIPOLAR
Temperature GradeINDUSTRIALINDUSTRIAL—COMMERCIALINDUSTRIAL
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)—Nickel/Palladium/Gold (Ni/Pd/Au)Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WINGGULL WING—GULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm—1.27 mm1.27 mm
Terminal PositionDUALDUAL—DUALDUAL
Time@Peak Reflow Temperature-Max (s)3030—3030
Output Voltage-Max———5.08 V—
Output Voltage-Min———4.92 V—
Output Voltage-Nom———5 V—

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

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Quick Links

UC2879DWG4by Texas Instruments

Switching Controller, Current/voltage-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20

UC3879DWby Unitrode Corporation

Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20

UC3879DWTRby Unitrode Corporation

Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20

UC2879DWTRby Unitrode Corporation

Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20

Why Look for Alternatives?

Finding alternatives for UC2879DWTRG4 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 UC2879DWTRG4 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 UC2879DWTRG4?

Known equivalents for UC2879DWTRG4 include UC2879DWG4, UC3879DW, UC3879DWTR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UC2879DWTRG4?

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 UC2879DWTRG4 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.