LM5166XDRCR

Voltage Regulators - DC DC Switching Regulators Overview

The LM5166XDRCR is a synchronous buck DC-DC converter from Texas Instruments, designed for high-voltage applications with an input range of 3V to 65V. It delivers a fixed 5V output at up to 500mA. The device operates with a switching frequency adjustable between 50kHz and 600kHz and features ultra-low quiescent current of 9.7µA. It supports junction temperatures from -40°C to +150°C and is housed in a compact 10-VSON package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved efficiency
• Wide input voltage capability suitable for industrial systems
• Adjustable switching frequency for optimization
• Ultra-low static current for battery-powered designs

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial automation controllers
• Building automation systems
• Connected sensor networks
• High-voltage point-of-load regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix 'DRCR' matches the required 10-VSON package and tape-and-reel quantity. Confirm the fixed 5V output variant aligns with system requirements, as other output voltages exist within the LM5166 family. Ensure compatibility with RoHS3 standards if mandated by project specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V rail is needed from a wide input range. The 500mA limit suits low-power logic or sensor supplies. Consider the 10-VSON thermal performance for enclosed environments. Compare against adjustable variants if flexible output is required later.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the LM5166 family of high-voltage synchronous buck converters. Designed to simplify power design in harsh environments. Offers integrated protection features including overcurrent and thermal shutdown. Commonly used where space constraints and high input voltages coexist.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5166DDCR offers adjustable output. LM5166EDCR provides different output options. Verify pinout and thermal characteristics before substitution.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum input voltage for the LM5166XDRCR?

The minimum operating input voltage is 3V.

Is the output voltage adjustable?

No, the XDRCR suffix indicates a fixed 5V output configuration.