LM2651MTC-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2651MTC-3.3/NOPB is a synchronous step-down switching regulator manufactured by Texas Instruments, designed for high-efficiency power conversion in compact applications. It operates with an input voltage range of 4 V to 14 V and provides a fixed output voltage of 3.3 V. The device supports a maximum output current of 1.5 A and utilizes a 16-pin TSSOP package. It features a switching frequency of 330 kHz and functions within a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture ensures high efficiency across load conditions
• Integrated control loop simplifies external component requirements
• Compact surface-mount packaging facilitates dense board layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Power supply stages for industrial equipment
• Voltage conversion for portable battery-operated devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm the fixed 3.3 V output configuration. Ensure the package type matches the required PCB footprint. Confirm RoHS compliance status through the manufacturer's latest datasheet or product change notification records prior to final procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V output is required from a 4 V to 14 V input source. Consider the 1.5 A current limit and 330 kHz switching frequency for thermal management and filter design. Evaluate the TSSOP-16 package dimensions against available board space constraints during the initial schematic capture phase.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2651 family of synchronous buck converters. It shares architectural similarities with adjustable variants like the LM2651MTC-ADJ/NOPB but offers a fixed output voltage to reduce external resistor count. The series targets applications requiring efficient DC-DC conversion in space-constrained environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2651MTC-ADJ/NOPB serves as a functional substitute if an adjustable output voltage is acceptable instead of the fixed 3.3 V setting. Verify pin compatibility and thermal performance characteristics before implementing any cross-model replacement in existing designs.