TPS5430DDAR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS5430DDAR is a non-synchronous buck switching regulator IC manufactured by Texas Instruments. It operates with an input voltage range of 5.5 V to 36 V and delivers a continuous output current of 3 A. The device features a fixed internal switching frequency of 500 kHz and provides an adjustable output voltage ranging from 1.221 V to 32.04 V. It utilizes an 8-PowerSOIC package with a thermal pad for efficient heat dissipation. Key electrical parameters include a maximum duty cycle capability, integrated high-side N-channel MOSFET, and operation across a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a low-resistance high-side N-channel MOSFET switch to achieve high efficiency.
• Features internal compensation to minimize the number of external components required.
• Includes voltage feedforward circuitry to improve line regulation and transient response.
• Provides comprehensive protection mechanisms including overcurrent limiting, overvoltage protection, and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supplies for embedded controllers
• Battery-powered systems requiring wide input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DDAR' corresponds to the tape-and-reel packaging format when ordering. Confirm that the component meets RoHS compliance requirements if mandated by your project specifications. Ensure the supplier source is authorized to guarantee authenticity and traceability of the Texas Instruments product.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 500 kHz switching frequency is preferred to simplify filter design. It is suitable for applications requiring up to 3 A output current without the need for synchronous rectification. Consider alternative models within the TPS543x family if different input voltage ranges or higher switching frequencies are necessary for specific size constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS543x series of step-down converters from Texas Instruments. The series offers various input voltage ranges and output current capabilities while maintaining a compact footprint. The TPS5430 variant specifically targets applications needing a 36 V maximum input voltage and 3 A output capacity.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

TPS5430DDARG4 is a verified parameter-equivalent substitute available from Texas Instruments. Verify pinout compatibility and thermal performance characteristics before substituting in existing designs.