UC2843AQD8RG4Q1Alternatives & Equivalent Parts

About UC2843AQD8RG4Q1

UC2843AQD8RG4Q1 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

ParameterUC2843AQD8RG4Q1SourceUC2843AQD8G4UC2843AD8TRG4UC2843AD8G4UC2843AQD8UC2843ADG4UC2843AD8UC2843AD8TR
ManufacturerTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas InstrumentsTexas Instruments
Package TypeOtherSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSmall Outline PackagesSOIC-8
Pin Count8888148
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C-40.0°C ~ 85.0°C0.0°C ~ 70.0°C
Price$0.2939$0.2657$0.7831$0.6242$0.1863
Electrical Parameters
YTEOL01515150
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-Max25 V28 V28 V28 V28 V
Input Voltage-Min12 V8.2 V8.2 V12 V8.2 V
Input Voltage-Nom15 V15 V15 V15 V15 V
JESD-30 CodeR-PDSO-G8R-PDSO-G8R-PDSO-G8R-PDSO-G8R-PDSO-G14
JESD-609 Codee4e4e4e4e4
Number of Functions11111
Output Current-Max1 A1 A1 A1 A1 A
Output Voltage-Max5.05 V5.05 V5.05 V5.05 V5.05 V
Output Voltage-Min4.95 V4.95 V4.95 V4.95 V4.95 V
Output Voltage-Nom5 V5 V5 V5 V5 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeSOP8,.25SOP8,.25SOP8,.25SOP8,.25SOP14,.25
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARRECTANGULAR
Package StyleSMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINESMALL OUTLINE
Peak Reflow Temperature (Cel)260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Screening LevelAEC-Q100
Supply Current-Max (Isup)17 mA25 mA25 mA17 mA25 mA
Surface MountYESYESYESYESYES
Switcher ConfigurationPUSH-PULLBUCK-BOOSTBUCK-BOOSTBUCK-BOOSTBUCK-BOOST
Switching Frequency-Max500 kHz500 kHz500 kHz500 kHz500 kHz
Temperature GradeAUTOMOTIVEINDUSTRIALINDUSTRIALAUTOMOTIVEINDUSTRIAL
Terminal FinishNICKEL 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 WING
Terminal Pitch1.27 mm1.27 mm1.27 mm1.27 mm1.27 mm
Terminal PositionDUALDUALDUALDUALDUAL
Time@Peak Reflow Temperature-Max (s)30303030NOT SPECIFIED
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
TechnologyBIPOLARBIPOLARBIPOLARBIPOLAR
Date Of Intro1999-11-03
Supply Voltage (Vcc)8V to 30V
Output Current1A (totem-pole)
Oscillator FrequencyUp to 500kHz
Operating Temperature0°C to 70°C
Reference Voltage5V ±1%
Control MethodCurrent Mode
PackageSOIC-8 (D)

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

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

UC2843AQD8by 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

UC2843AD8by Texas Instruments

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

UC2843AD8TRby Texas Instruments

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

Why Look for Alternatives?

Finding alternatives for UC2843AQD8RG4Q1 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 UC2843AQD8RG4Q1 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 UC2843AQD8RG4Q1?

Known equivalents for UC2843AQD8RG4Q1 include UC2843AQD8G4, UC2843AD8TRG4, UC2843AD8G4. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UC2843AQD8RG4Q1?

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 UC2843AQD8RG4Q1 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.