LM5000SD-3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5000SD-3/NOPB is a high-voltage switching regulator IC manufactured by Texas Instruments, designed for boost and flyback topologies. It operates with an input voltage range from 3.1 V to 40 V and provides an adjustable output voltage starting at 1.295 V. The device supports a switch current of up to 2 A and features a programmable switching frequency between 300 kHz and 700 kHz. It functions within a junction temperature range of -40°C to +125°C and is housed in a 16-WSON package with exposed pad.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports multiple converter topologies including boost, flyback, and forward configurations for versatile power design applications.
• Features a wide input voltage range capable of handling up to 40 V for robust operation in various supply conditions.
• Includes integrated shutdown functionality to minimize quiescent current consumption during inactive periods.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated DC-DC conversion
• Automotive electronics operating within standard voltage ranges
• General-purpose step-up power supplies for embedded systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SD-3' against the official datasheet to confirm the fixed internal resistor network configuration for the feedback divider. Ensure the WSON-16 package variant matches your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require high input voltage tolerance combined with moderate output current capabilities. The adjustable output feature allows flexibility in setting voltage levels via external resistors. Consider the thermal performance of the WSON package and ensure adequate copper area on the PCB for heat dissipation under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5000 family of high-voltage switch-mode regulators from Texas Instruments. The family includes variants with different packages such as TSSOP and SOIC, offering designers options for layout constraints. The LM5000 series is engineered for efficiency and reliability in industrial and automotive environments where wide input voltage ranges are necessary.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM5000SD-6/NOPB offers similar topology support but with a higher switching frequency range of 600 kHz to 1.3 MHz. LM5000-3MTCX/NOPB provides the same electrical characteristics in a TSSOP-16 package instead of WSON-16. Verify pinout compatibility and thermal resistance differences when substituting these alternatives.