LM2651MTC-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2651MTC-ADJ/NOPB is a synchronous step-down DC/DC converter from Texas Instruments. It operates with an input voltage range of 4 V to 14 V and provides an adjustable output voltage between 3.3 V and 13 V. The device delivers a maximum output current of 1.5 A in a 16-pin TSSOP package. It features a switching frequency of approximately 330 kHz and supports operation temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high efficiency
• Adjustable output voltage capability within specified limits
• Integrated thermal shutdown protection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Battery-powered equipment power stages
• Industrial control system power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix configuration against the manufacturer datasheet to ensure compatibility with specific design requirements. Confirm RoHS compliance status and lead times through authorized distributors. Validate that the TSSOP-16 package dimensions match the target PCB footprint before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact synchronous buck solution is required for inputs up to 14 V. The adjustable output allows flexibility for various load requirements. Ensure the application demands do not exceed the 1.5 A continuous current rating or require higher input voltage tolerance than the specified 14 V maximum.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2651 family of high-efficiency switching regulators. It serves as a direct replacement for the discontinued LM2651MTC-ADJ. The NOPB suffix indicates lead-free construction and compliance with environmental standards, distinguishing it from older non-compliant variants in the same series.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2651MTC-ADJ is the confirmed obsolete predecessor. Verify pinout and electrical specifications remain identical during transition to ensure seamless integration without circuit redesign.

Voltage Regulators - DC DC Switching Regulators FAQ

Is the LM2651MTC-ADJ/NOPB a synchronous regulator?

Yes, it utilizes synchronous rectification to improve efficiency compared to standard diode-based designs.

What is the minimum input voltage for this device?

The minimum operating input voltage is 4 V.