LM5019SDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5019SDX/NOPB is a synchronous buck regulator from Texas Instruments, housed in an 8-WSON package. It supports a wide input voltage range of 7.5V to 100V and delivers up to 100mA output current. The device utilizes a constant on-time control architecture with an adjustable switching frequency up to 1MHz. It features an adjustable output voltage starting from 1.225V, operates within a junction temperature range of -40°C to 125°C, and includes integrated protection mechanisms for robust high-voltage power conversion.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Constant on-time control architecture enables stable operation across wide input voltage variations without external compensation.
• Integrated synchronous rectification improves efficiency by eliminating the need for external Schottky diodes.
• Wide input voltage capability allows direct connection to high-voltage buses such as 48V industrial systems.
• Built-in thermal shutdown and cycle-by-cycle current limiting protect the device under fault conditions.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Automotive electronics power distribution
• High-voltage battery-powered equipment
• Telecommunications infrastructure power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix to ensure correct packaging and temperature grade. Confirm that the 8-WSON footprint matches your PCB layout requirements. Check for RoHS compliance documentation if required by your manufacturing standards. Ensure the supplier provides valid traceability records for quality assurance purposes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring high input voltages with low output current demands. The constant on-time topology simplifies design compared to voltage mode controllers. Consider the maximum operating temperature limits when determining heat dissipation needs. Evaluate the minimum input voltage requirement against your source supply characteristics.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM5019 family of high-voltage synchronous buck regulators. It shares architectural similarities with other TI high-voltage converters but offers specific integration levels suited for compact designs. The WSON package provides a small footprint relative to its voltage handling capabilities, making it suitable for space-constrained applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5019SD/NOPB is a verified equivalent part number offering identical electrical specifications and functionality.