LM3691TLX-1.8/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3691TLX-1.8/NOPB is a synchronous step-down DC-DC converter manufactured by Texas Instruments, designed for portable applications requiring high accuracy and miniature form factors. It operates within an input voltage range of 2.3 V to 5.5 V and delivers a fixed output voltage of 1.8 V at up to 1 A output current. The device utilizes a 4 MHz switching frequency to enable the use of small external components. It is housed in a 6-pin DSBGA package measuring 1.5 x 1.3 mm. The operational temperature range extends from -30°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for improved efficiency in a compact footprint.
• Features high accuracy regulation suitable for sensitive portable loads.
• Utilizes a miniature 6-pin DSBGA package to minimize board space consumption.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices
• Battery-powered systems
• Space-constrained circuit designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with design requirements. Confirm that the component status aligns with long-term availability needs, as supply chain conditions may affect production cycles. Cross-reference ordering information with authorized distributors to validate authenticity and packaging specifications prior to procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.8 V output is required within a 2.3 V to 5.5 V input range. The 4 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Ensure the application environment remains within the specified -30°C to +85°C operating temperature range for optimal performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3691 series of high-accuracy, miniature step-down converters. The series is characterized by its ability to provide stable power delivery in tight spaces. Variants within the family differ primarily in their fixed output voltage settings, while sharing common topology and packaging characteristics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3691TLX-1.8/NOPB serves as the primary designation for this specific voltage variant. Other LM3691 variants with different output voltages are not direct functional substitutes without circuit modification.