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Exact MPN19 sourced attributes1 manufacturer document

Texas Instruments · exact orderable part

TPS5430DDA

Texas Instruments 5.5 V to 36 V, 3 A, 500 kHz step-down converter in the thermally enhanced eight-pin DDA package.

Minimum Input Voltage
5.5 V
Maximum Input Voltage
36 V
Output Current
3 A
Minimum Adjustable Output Voltage
1.22 V
Maximum Adjustable Output Voltage
31 V
Typical Switching Frequency
500 kHz
Original manufacturerCommercial terms confirmed per lot
ManufacturerTexas Instruments
Package / caseHSOIC8 PowerPAD (DDA)
Mounting typesurface mount
Lifecycleactive
PackingTube or reel suffix confirmed at quotation
Temperature gradeTj -40 to 125 °C

Technical parameters

Technical specifications

19 normalized values · 1 manufacturer source

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ParameterValue
TopologyBuck [1]
Minimum Input Voltage5.5 V [1]
Maximum Input Voltage36 V [1]
Output Current3 A [1]
Package / CaseHSOIC8 PowerPAD (DDA) [1]
Minimum Adjustable Output Voltage1.22 V [1]
Maximum Adjustable Output Voltage31 V [1]
Typical Switching Frequency500 kHz [1]
Typical Quiescent Current2 mA [1]
Maximum Duty Cycle87 % [1]
Typical Power-Switch On Resistance100 mΩ [1]
Maximum Reported Efficiency95 % [1]
Operating Junction Temperature-40 to 125 °C [1]
Junction-to-Ambient Thermal Resistance42.3 °C/W [1]
Pin Count8 [1]
Thermal ShutdownYes [1]
Current LimitYes [1]
Enable / Shutdown ControlYes [1]
Output Overvoltage ProtectionYes [1]
Specification references[1]Texas Instruments TPS543x Datasheet, SLVS632L, revised April 2026 ↗

Catalog relationships

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ManufacturerTexas InstrumentsView brand page →CategoryDC-DC ConvertersView category page →Part familyTPS5430Compare exact variants →