UC2843AQD8RG4Alternatives & Equivalent Parts

About UC2843AQD8RG4

UC2843AQD8RG4 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterUC2843AQD8RG4SourceUC2843AQD8G4UC2843AQD8RG4Q1UC2843AD8TRG4UC2843AD8G4UC2843ADG4UC2843AQD8
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeOtherOtherSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline Packages
Pin Count8888148
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C
Price$0.2939$0.2657$0.6242$0.7831
Electrical Parameters
YTEOL001515015
Analog IC - Other TypeSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLERSWITCHING CONTROLLER
Control ModeCURRENT-MODECURRENT-MODECURRENT-MODECURRENT-MODECURRENT-MODECURRENT-MODE
Control TechniquePULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATIONPULSE WIDTH MODULATION
Input Voltage-Max25 V25 V28 V28 V28 V28 V
Input Voltage-Min12 V12 V8.2 V8.2 V8.2 V12 V
Input Voltage-Nom15 V15 V15 V15 V15 V15 V
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G8R-PDSO-G8R-PDSO-G14R-PDSO-G8
JESD-609 Codee4e4e4e4e4e4
Number of Functions111111
Output Current-Max1 A1 A1 A1 A1 A1 A
Output Voltage-Max5.05 V5.05 V5.05 V5.05 V5.05 V5.05 V
Output Voltage-Min4.95 V4.95 V4.95 V4.95 V4.95 V4.95 V
Output Voltage-Nom5 V5 V5 V5 V5 V5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.25SOP8,.25SOP8,.25SOP14,.25SOP8,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)260260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Surface MountYESYESYESYESYESYES
Switcher ConfigurationPUSH-PULLPUSH-PULLBUCK-BOOSTBUCK-BOOSTBUCK-BOOSTBUCK-BOOST
Switching Frequency-Max500 kHz500 kHz500 kHz500 kHz500 kHz500 kHz
TechnologyBIPOLARBIPOLARBIPOLARBIPOLARBIPOLAR
Temperature GradeAUTOMOTIVEAUTOMOTIVEINDUSTRIALINDUSTRIALINDUSTRIALAUTOMOTIVE
Terminal FinishNICKEL PALLADIUM GOLDNICKEL PALLADIUM GOLDNickel/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 WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch1.27 mm1.27 mm1.27 mm1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)30303030NOT SPECIFIED30
Screening LevelAEC-Q100
Supply Current-Max (Isup)17 mA25 mA25 mA25 mA17 mA
Pbfree CodeYesYesYesYes
Supply Voltage-Max (Vsup)28 V28 V28 V28 V
Supply Voltage-Min (Vsup)8.4 V8.4 V8.4 V8.4 V
Supply Voltage-Nom (Vsup)11 V11 V11 V
Date Of Intro1999-11-03

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

Quick Links

UC2843AQD8G4by Texas Instruments

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

UC2843AQD8RG4Q1by Texas Instruments

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

UC2843AD8TRG4by Texas Instruments

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

UC2843AD8G4by Texas Instruments

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

UC2843ADG4by Texas Instruments

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

UC2843AQD8by Texas Instruments

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

Why Look for Alternatives?

Finding alternatives for UC2843AQD8RG4 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 UC2843AQD8RG4 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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Request Alternatives for UC2843AQD8RG4

FAQ

What is equivalent to UC2843AQD8RG4?

Known equivalents for UC2843AQD8RG4 include UC2843AQD8G4, UC2843AQD8RG4Q1, UC2843AD8TRG4. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UC2843AQD8RG4?

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 UC2843AQD8RG4 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.