LM5000-3MTC

Voltage Regulators - DC DC Switching Regulators Overview

The LM5000-3MTC is a high-voltage switch mode regulator designed for boost and flyback topologies. It operates with an input voltage range supporting high-voltage applications and provides a regulated output current of 2 A. The device features a fixed switching frequency range from 300 kHz to 700 kHz, allowing for compact magnetic component selection. It includes internal compensation and protection features such as thermal shutdown. The unit is housed in a TSSOP-16 package and supports surface mount installation. Operating temperatures range from -40°C to +125°C, ensuring reliability in industrial environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports boost and flyback converter topologies for flexible power supply designs
• Integrated high-voltage startup circuitry simplifies biasing requirements
• Internal frequency compensation reduces external component count
• Thermal shutdown protection safeguards against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• High voltage DC-DC converters
• Industrial control systems power supplies
• Automotive electronics applications

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix '3MTC' against the manufacturer's latest datasheet to confirm pinout and electrical specifications match your design requirements. Ensure the ordering code includes the correct tape and reel or cut tape packaging designation if required for automated assembly processes. Cross-reference the RoHS compliance status with current environmental regulations applicable to your region before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing high-voltage step-up or isolated power stages requiring integrated regulation. The wide input voltage capability makes it suitable for automotive and industrial bus voltages. Consider the TSSOP-16 package size for space-constrained PCB layouts. Evaluate the switching frequency range against inductor saturation currents and core losses to optimize efficiency and thermal performance for the target application load.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5000 family of high-voltage switch mode regulators originally developed by National Semiconductor, now under Texas Instruments. The family includes variants like the LM5001 and LM5002, offering different feature sets for various power control needs. The LM5000 specifically targets applications requiring robust high-voltage operation with minimal external support components, serving as a foundational solution for efficient power conversion in demanding environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM5000-3MTC/NOPB is a lead-free version of the same functional device. Verify pin compatibility and electrical parameters before substitution. Other family members like LM5001 may offer additional features but require design review.