LM5000-3MTCX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM5000-3MTCX/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 ranging from 3.1V to 80V. The device operates within an input voltage range of 3.1V to 40V and delivers a maximum switch current of 1.35A. It features a programmable switching frequency between 300kHz and 700kHz. The component is housed in a 16-TSSOP package and functions reliably across 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.
• Enables flexible output voltage adjustment over a wide range using external feedback components.
• Features a wide input voltage operating range suitable for various supply sources.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated DC-DC conversion
• Automotive electronics utilizing wide input voltage ranges
• General-purpose power supplies based on flyback or forward architectures

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix '3' corresponds to the intended fixed internal reference or configuration if applicable, though datasheets indicate adjustable output. Confirm the 16-TSSOP package dimensions match the PCB footprint requirements. Ensure the thermal management strategy accommodates the 125°C junction temperature limit under expected load conditions. Cross-reference the manufacturer part number with authorized distributors to ensure authenticity and traceability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require high input voltages up to 40V with a single-switch topology. It is suitable for applications needing both boost and isolated flyback capabilities within a compact surface-mount package. Consider the 1.35A switch current limit when sizing external inductors and ensuring the output voltage does not exceed the 80V maximum rating during operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5000 series of high-voltage switch-mode regulators from Texas Instruments. The series is designed for applications demanding robust performance in industrial and automotive environments. The LM5000 family offers flexibility through configurable switching frequencies and support for various converter topologies, providing engineers with options for efficient power management solutions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other parts within the LM5000 family such as LM5000SD variants, which share similar electrical characteristics but differ in package type (WSON vs TSSOP). Verify pinout compatibility and thermal performance before substitution.