LM5165DRCT

Voltage Regulators - DC DC Switching Regulators Overview

The LM5165DRCT is a synchronous buck converter from Texas Instruments, designed for high-efficiency power management. It operates with an input voltage range of 3V to 65V and delivers up to 150mA output current. The device features a fixed output voltage of 1.23V, adjustable via external resistors, and supports switching frequencies between 50kHz and 600kHz. It exhibits a low quiescent current of 10.5µA and functions within a temperature range of -40°C to +150°C. Packaged in a VSON-EP-10 footprint, it integrates protection features including thermal shutdown and hiccup mode.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology ensures high efficiency across load ranges
• Integrated thermal shutdown and hiccup mode protection safeguard against overcurrent conditions
• Wide input voltage capability accommodates various bus voltages
• Low quiescent current minimizes standby power consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial automation control systems
• Point-of-load regulation for embedded processors
• Power distribution networks in telecom infrastructure
• LED lighting driver bias supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DRCT indicates cut-tape packaging when sourcing samples or small quantities. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the ordering part number matches the required package variant and temperature grade. Cross-reference datasheet revisions to confirm pinout consistency with existing designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring wide input voltage tolerance and compact form factor. Evaluate thermal performance at maximum load currents given the small VSON-EP-10 package. Consider the fixed 1.23V reference for setting output voltages using standard resistor networks. Assess system requirements against the 150mA continuous current limit to ensure adequate headroom.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5165 family of synchronous buck converters, optimized for space-constrained designs. It complements other Texas Instruments PMIC solutions by providing robust step-down conversion capabilities. The series targets industrial and communication markets where reliability and efficiency are critical. It shares architectural similarities with broader power management portfolios while focusing on single-output simplicity.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include LM5165DRCR for reel packaging variants. For automotive-grade requirements, consider LM5165XQDRCTQ1 which offers AEC-Q100 qualification. Verify pin compatibility and thermal characteristics before swapping packages.