Switching Voltage Regulators 6-V to 100-V input 1-A synchronous buck A 595-LM5164DDAR

LM5164DDAT – 100V Input, 1A Synchronous Buck Converter – Texas Instruments

Optimize your power systems with the LM5164DDAT from Texas Instruments, a high-efficiency synchronous buck converter IC designed for demanding industrial and automotive environments. This robust voltage regulator delivers exceptional performance across ultra-wide input voltages while minimizing solution size and thermal stress. Trust PCX for genuine Texas Instruments components, backed by lightning-fast shipping and dedicated technical support.

Key Features

• Ultra-Wide Input Range: 6V to 100V operation
• Adjustable Output: 1.2V to 100V at 1A Continuous Current
• High Efficiency: Integrated synchronous rectifier
• Fast Switching: Up to 1MHz frequency
• Robust Design: Operates at -40°C to +150°C junction temperature
• Compact Footprint: 8-SO PowerPad package

Technical Details

The LM5164DDAT is a monolithic step-down DC-DC switching regulator featuring a buck topology. It generates a single positive adjustable output with high accuracy. The IC integrates MOSFETs for synchronous rectification, significantly reducing power losses compared to diode-based solutions. Its advanced control architecture ensures stable operation across line/load transients and supports frequency synchronization. The device includes comprehensive protection features like thermal shutdown and cycle-by-cycle current limiting. Surface-mount assembly simplifies PCB integration in space-constrained applications.

Typical Applications

• Industrial automation control systems
• Automotive infotainment and telematics
• 24V/48V bus-powered equipment
• Battery management systems
• Test and measurement instruments

About Texas Instruments

Texas Instruments (TI) is a globally recognized leader in semiconductor design and manufacturing, renowned for innovation in analog and embedded processing technologies. With decades of expertise, TI sets industry standards for power management ICs, focusing on energy efficiency, reliability, and cutting-edge performance across automotive, industrial, and consumer markets.

TI’s rigorous quality control and extensive validation processes ensure components meet stringent operational demands. Their commitment to long-term product lifecycle support makes TI solutions ideal for mission-critical designs where durability and consistency are paramount.

About Buck Switching Regulators

Buck converters (step-down regulators) efficiently reduce higher input voltages to lower output levels with minimal energy loss. Unlike linear regulators, switching topologies like the LM5164DDAT achieve superior efficiency by rapidly pulsing current through inductors and capacitors, making them essential for high-current or wide-input-range scenarios where heat dissipation is a concern.

These ICs form the backbone of modern power delivery networks in electronics, enabling compact, cool-running power supplies for microcontrollers, sensors, and FPGAs. Their ability to handle fluctuating input sources (e.g., batteries or unstable mains) ensures stable voltage rails critical for system integrity.

Packaging Options

Available in industry-standard formats for automated assembly: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel®. Specify your preference during checkout.

FAQs

Question: What is the typical efficiency of this buck converter?
Answer: Efficiency exceeds 90% under typical 24V-to-5V conversion loads, varying with input/output differentials and switching frequency.

Question: Does it require external compensation?
Answer: Yes, the LM5164DDAT uses external feedback resistors and compensation networks for output adjustment and stability.

Question: Is this IC suitable for automotive applications?
Answer: Absolutely. Its -40°C to +150°C operating range and 100V surge tolerance align with automotive requirements.

Question: Can I parallel multiple devices for higher current?
Answer: Not directly. Use a dedicated multi-phase controller for currents exceeding 1A.

Question: Does PCX provide the LM5164DDAT datasheet?
Answer: Yes! Access the full Texas Instruments datasheet here.

Question: How quickly can PCX ship this IC?
Answer: Most orders ship same-day from our US warehouse, with expedited options available.

Note: Product images are representational. Refer to datasheet for exact dimensions.

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