LM2674N-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2674N-ADJ is a Texas Instruments adjustable step-down switching regulator designed for through-hole applications. It operates with an input voltage range of 8 V to 40 V and delivers a maximum output current of 500 mA. The device utilizes a fixed-frequency internal oscillator operating at 275 kHz, allowing for the use of compact external components. It features a standard MDIP-8 package with dimensions of 9.27 mm in length, 6.35 mm in width, and 3.3 mm in height. The unit supports an operating temperature range from -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-current switch capable of delivering up to 500 mA output
• Fixed-frequency operation at 275 kHz reduces external component size requirements
• Built-in thermal shutdown protection safeguards against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Battery-powered equipment requiring efficient voltage conversion
• Industrial control system power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix matches the required output configuration and package type. Confirm that the ordering information aligns with the intended thermal management strategy for the target application environment. Ensure compatibility with existing board layouts regarding through-hole mounting requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust through-hole solution is required for moderate current loads. Consider the 275 kHz switching frequency for balancing efficiency and passive component size. Evaluate thermal dissipation needs based on the expected ambient temperature and load current within the specified operating range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2674 series of simple switcher regulators. It provides a cost-effective alternative to linear regulators for applications with significant input-output voltage differentials. The series is characterized by its simplicity and reliability in standard industrial and commercial environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2674N-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum switching frequency?

The internal oscillator operates at a fixed frequency of 275 kHz.

Does the device include overtemperature protection?

Yes, the LM2674N-ADJ incorporates thermal shutdown circuitry to protect the device during excessive heat conditions.