TPS54360DDAR – Integrated Circuit – Texas Instruments

About this part

TPS54360DDAR – 3.5A, 60V Input Step-Down DC-DC Converter – Texas Instruments
Optimize power conversion in demanding applications with the TPS54360DDAR buck regulator from Texas Instruments. This high-efficiency DC-DC switching IC delivers up to 3.5A output current with ultra-wide 4.5V–60V input range, making it ideal for industrial systems, automotive electronics, and embedded designs. Engineered for reliability and performance, it simplifies power supply design while minimizing board space.

Key Features

Wide Input Range: 4.5V to 60V operation
High-Current Output: Up to 3.5A continuous current
Adjustable Output: 0.8V to 58.8V (set via external resistors)
Eco-Mode™ Technology: Enhanced light-load efficiency
Robust Thermal Design: Operates at -40°C to 150°C (TJ)
Compact Footprint: 8-SO PowerPad package (3.90mm width)

Technical Specifications
This step-down converter features a non-synchronous buck topology with split-rail capability. It supports switching frequencies from 100kHz to 2.5MHz, enabling design flexibility for noise-sensitive applications. The surface-mount device (PowerSOIC package) includes integrated fault protection and requires minimal external components. Note: This part is designated as Not For New Designs but remains available for existing implementations.

Typical Applications

Industrial automation controllers
Automotive infotainment systems
Telecommunications infrastructure
Distributed 12V/24V/48V power systems
Battery-powered portable equipment

About Texas Instruments
Texas Instruments (TI) stands at the forefront of semiconductor innovation, with a legacy spanning decades in analog and embedded processing technologies. Their power management ICs set industry benchmarks for efficiency, thermal performance, and reliability across automotive, industrial, and consumer markets.
TI’s rigorous quality control and continuous R&D investment ensure components like the TPS54360DDAR meet stringent operational requirements. Their global manufacturing expertise guarantees consistent performance in critical applications, backed by comprehensive technical documentation and design support.

About DC-DC Switching Regulators
Buck converters efficiently step down higher DC voltages to lower levels with minimal energy loss. Unlike linear regulators, switching designs like the TPS54360DDAR achieve >90% efficiency by rapidly pulsing current through inductors. This makes them essential for battery-powered devices and high-current systems where heat dissipation is critical.
Modern switching regulators enable compact power solutions with wide input tolerance, supporting everything from IoT sensors to industrial motor drives. Their ability to handle voltage spikes and fluctuating loads ensures stable operation in electrically noisy environments.

Packaging Options
Available in industry-standard formats for prototyping and production: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel®. Specify your preference when ordering.

Frequently Asked Questions
Question: What efficiency does this regulator achieve at full load?
Answer: Typical efficiency exceeds 90% at 24VIN to 5VOUT conversion under moderate loads. Refer to the datasheet for detailed curves.

Question: Is external synchronization possible?
Answer: Yes, the RT/CLK pin allows synchronization to external clocks between 100kHz–2.5MHz.

Question: Can it withstand automotive voltage transients?
Answer: The 60V input rating and -40°C to 150°C operating range make it suitable for 12V/24V automotive systems.

Question: Why choose buck regulators over linear types?
Answer: Buck converters generate less heat and support wider voltage differences, improving system efficiency.

Question: How do I configure the output voltage?
Answer: Adjust via external resistor divider connected to the VSENSE pin. Calculation tools are in the datasheet.

Question: What protection features are included?
Answer: Integrated UVLO, thermal shutdown, and cycle-by-cycle current limiting safeguard against faults.