LM5017SD/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5017SD/NOPB is a high-voltage synchronous buck regulator from Texas Instruments, designed for robust industrial applications. It operates with an input voltage range of 7.5V to 100V and delivers up to 600mA output current. The device features a fixed on-time architecture supporting switching frequencies adjustable up to 1MHz. It provides a minimum output voltage of 1.225V in a compact WSON-8 package. The component supports extended temperature operation from -40°C to +125°C and includes integrated protection features such as cycle-by-cycle current limit and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology enhances efficiency across the operating range
• Fixed on-time control simplifies compensation and ensures stable transient response
• Integrated high-side and low-side drivers eliminate external MOSFET selection requirements
• Comprehensive protection mechanisms include overcurrent limiting and thermal regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial PLC I/O module bias supplies
• Isolated Flybuck converter designs
• General-purpose DC-DC conversion in harsh environments
• Power distribution networks requiring wide input ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against the manufacturer datasheet to confirm pinout compatibility and electrical specifications. Ensure the procurement channel sources genuine components with traceable manufacturing lot codes. Confirm RoHS compliance status and packaging format requirements prior to order placement. Cross-reference the ordering information section for any recent product changes or lifecycle notifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Evaluate the required output current against the 600mA limit while considering thermal dissipation constraints within the WSON-8 footprint. Assess the input voltage profile to ensure it remains within the 7.5V to 100V operational window. Determine if the fixed on-time control strategy aligns with the system's transient response needs compared to other frequency-controlled regulators. Verify that the minimum output voltage requirement meets the 1.225V floor specification.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM5017 series of high-voltage synchronous buck regulators. It serves as a monolithic solution for step-down conversion tasks where space and component count are critical. The series is engineered for reliability in demanding industrial settings, offering integrated power stages that reduce bill-of-materials complexity compared to discrete solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5017MR/NOPB offers identical functionality in an 8-SOIC PowerPad package.