LM5000-3MTC/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5000-3MTC/NOPB is a high-voltage switch-mode regulator IC manufactured by Texas Instruments. It supports boost, flyback, and forward converter topologies with an adjustable output voltage range from 1.295 V to 80 V. The device operates with an input voltage between 3.1 V and 40 V, delivering a maximum switch current of 1.35 A. It features a programmable switching frequency selectable between 300 kHz and 700 kHz. The component is housed in a 16-TSSOP package and functions within a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports multiple power conversion topologies including boost, flyback, and forward configurations for versatile design applications.
• Features adjustable switching frequency selection to optimize efficiency and passive component size across different operating conditions.
• Provides high-voltage operation capability with an input range up to 40 V and output capability up to 80 V.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power supply systems requiring isolated or non-isolated DC-DC conversion
• Automotive electronics utilizing wide input voltage ranges
• Point-of-load regulation in high-voltage distributed power architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer's official documentation to ensure correct pinout and electrical characteristics. Confirm that the 16-TSSOP package matches the target PCB footprint requirements. Check for RoHS compliance status as indicated in the latest datasheet revision. Ensure the ordering part number aligns with the desired tape-and-reel or cut-tape packaging format specified by the supplier.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring high input voltages up to 40 V without external level shifting. Consider the 1.35 A switch current limit for load requirements and thermal management needs. Evaluate the 300 kHz to 700 kHz frequency options to balance between component size and electromagnetic interference. Verify compatibility with the chosen topology, whether boost, flyback, or forward, based on isolation and voltage step-up requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM5000 series of high-voltage switch-mode regulators designed for robust performance in demanding environments. The series offers flexibility through configurable switching frequencies and support for various converter topologies. It is engineered for applications where standard low-voltage controllers cannot handle the input voltage levels directly.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same family. Verify that any substitute component maintains the required 40 V input rating and 1.35 A current capacity. Ensure the replacement package type matches the existing board layout constraints.