LV5144RGYR

DC DC Switching Controllers Overview

The LV5144RGYR is a synchronous DC/DC buck controller from Texas Instruments, designed for high-voltage applications with an input range of 6V to 95V. It operates as a non-isolated converter with a single output channel. The device supports switching frequencies between 100 kHz and 1 MHz, allowing for flexible design optimization. It features a maximum duty cycle of 99% and provides an adjustable output voltage range from 800 mV to 60 V. The component is rated for operation within a temperature range of -40°C to +150°C and utilizes a VQFN-20 package.

DC DC Switching Controllers Feature Summary

• Supports wide input voltage ranges up to 95V for high-voltage step-down applications
• Enables flexible frequency selection between 100 kHz and 1 MHz
• Provides high-side driver capabilities with fast rise and fall times

DC DC Switching Controllers Applications

• Industrial power supply systems
• Automotive electronics requiring high-voltage regulation
• Telecommunications infrastructure equipment

DC DC Switching Controllers Procurement Notes

Verify the specific ordering suffix 'GYR' corresponds to the required tape-and-reel packaging configuration before finalizing procurement. Confirm that the VQFN-20 package dimensions align with the target PCB footprint. Ensure compliance with RoHS directives by checking the detailed specification sheet for environmental declarations. Validate that the selected supplier source matches the manufacturer's authorized distribution channels to guarantee authenticity.

DC DC Switching Controllers Selection Notes

Select this controller when designing systems requiring input voltages up to 95V. Consider the thermal performance requirements associated with the VQFN-20 package for the intended load conditions. Evaluate the need for external MOSFETs compatible with the driver specifications. Review the minimum operating voltage constraints to ensure compatibility with the system's power rails during startup and transient events.

DC DC Switching Controllers Part Context

This component belongs to the LV5144 family of synchronous buck controllers manufactured by Texas Instruments. It is part of a broader portfolio of power management integrated circuits designed for robust industrial and automotive environments. The RGYR suffix indicates a specific reel-based packaging format suitable for automated surface-mount assembly processes.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.