LM3679UR-1.2/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3679UR-1.2/NOPB is a miniature step-down DC-DC converter manufactured by Texas Instruments. It provides a fixed positive output voltage of 1.2 V with a maximum output current of 350 mA. The device operates from an input voltage range up to 5.5 V and utilizes a switching frequency of 3 MHz. It is housed in a compact 5-pin XFBGA or DSBGA package, designed for ultra-low profile applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Miniature form factor suitable for space-constrained designs
• Ultra-low profile construction for thin devices
• Integrated synchronous rectification for high efficiency

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics
• Mobile communication devices
• Battery-powered handheld instruments

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer's latest documentation to ensure compatibility with required regulatory standards and pinout configurations. Confirm that the 5-pin XFBGA/DSBGA package dimensions align with the target PCB footprint constraints before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring a small footprint and low profile. It is appropriate for applications needing a stable 1.2 V rail from a single-cell lithium battery or similar power source. Ensure the design accommodates the 3 MHz switching frequency requirements for external component selection.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3679 family of miniaturized step-down converters. It shares architectural similarities with other members like the LM3679UR-1.5/NOPB but differs in its fixed output voltage setting. The series targets ultra-low profile applications where physical height is a critical design constraint.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM3679UR-1.5/NOPB is a related variant within the same family offering a different fixed output voltage. Verify if the system can tolerate the voltage difference before substituting.