LM3677LE-1.2/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3677LE-1.2/NOPB is a switching voltage regulator manufactured by Texas Instruments, designed as a miniature step-down DC-DC converter for ultra-low voltage circuits. It operates with an input voltage range from 2.7 V to 5 V and provides a fixed output voltage of 1.2 V. The device supports a maximum output current of 600 mA and utilizes a 3 MHz switching frequency. It is housed in a 6-USON package and functions within a temperature range of -40 °C to +85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Miniature step-down DC-DC converter topology optimized for space-constrained designs
• Integrated control circuitry supporting ultra-low voltage operation
• High-frequency switching capability enabling the use of small external components

Voltage Regulators - DC DC Switching Regulators Applications

• Ultra-low voltage circuit power management
• Portable electronic devices requiring compact power solutions
• Battery-powered systems with limited input voltage headroom

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix LE against official Texas Instruments documentation to confirm package type and electrical characteristics. Ensure compatibility with required input voltage ranges and thermal constraints for the target application environment before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.2 V output is required from a low-voltage source. Consider the 3 MHz switching frequency for minimizing passive component size. Verify that the 600 mA load requirement aligns with system demands and that the operating temperature range meets environmental specifications.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3677 series of switching regulators from Texas Instruments. The series focuses on providing efficient power conversion in minimal footprints. The LM3677LE variant specifically denotes the fixed 1.2 V output version in the 6-USON package, distinguishing it from adjustable or other fixed voltage variants within the same family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for equivalent parts. Verify pinout compatibility and electrical parameters such as output current and switching frequency before replacing.