LM5168FNGUR

Voltage Regulators - DC DC Switching Regulators Overview

The LM5168FNGUR is a wide input voltage synchronous buck DC-DC converter manufactured by Texas Instruments. It supports an input voltage range of 6 V to 120 V and delivers up to 300 mA of output current. The device features a fixed switching frequency of 1 MHz and offers an adjustable output voltage from 1.2 V to 90 V. It operates within a temperature range of -40°C to +150°C TJ. The component utilizes a WSON-8 surface-mount package and includes integrated bias supply and bootstrap diode functions for simplified design.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports Buck and Flyback topologies for versatile power conversion applications
• Features ultra-low quiescent current for efficient standby operation
• Includes integrated high-side and low-side power MOSFETs
• Provides precise enable and input UVLO with hysteresis

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring wide input voltage ranges
• Battery-powered equipment with high cell counts
• Point-of-load regulation in distributed power architectures
• Flyback converter designs utilizing Fly-Buck capability

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'FNGU' against the official Texas Instruments datasheet to confirm pinout, thermal pad configuration, and tape-and-reel specifications. Ensure compatibility with the intended PCB footprint and reflow profile. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability. Confirm RoHS compliance status as documented in the product specifications prior to integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring a wide 6 V to 120 V input range with moderate output current capabilities. The 1 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the WSON-8 package size constraints and thermal requirements for the application environment. Evaluate the need for Fly-Buck functionality if isolated outputs are required from the same controller architecture.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM5168 belongs to a family of wide-input synchronous buck converters designed for industrial and battery applications. It shares architectural similarities with other devices in the series but differs in output current ratings and packaging options. The FNGUR variant specifically denotes the WSON-8 package configuration with reel packaging. This part integrates power switches and control logic to reduce solution complexity.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5168PNGUR: Same functional specifications with different package marking or supplier-specific suffix.