LM3691TLX-0.75/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3691TLX-0.75/NOPB is a high-accuracy, miniature step-down DC-DC converter manufactured by Texas Instruments. It operates within an input voltage range of 2.3 V to 5.5 V and delivers up to 1 A of output current. The device features a fixed output voltage of 750 mV and supports a switching frequency of 4 MHz. It utilizes a Buck topology and is housed in a compact 6-DSBGA package. The component functions reliably across an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for efficient power conversion
• Provides high accuracy regulation suitable for portable applications
• Utilizes a miniature footprint to support space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring compact power management
• Battery-powered systems utilizing single-cell lithium-ion sources
• Embedded circuits needing stable low-voltage rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required output voltages and packaging formats. Confirm that the procurement channel provides genuine components with traceable origins. Check for any regional distribution restrictions or discontinuation notices prior to finalizing orders. Ensure storage conditions align with manufacturer guidelines to maintain component integrity during handling and assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed low-voltage output is required without external feedback resistors. Consider the 4 MHz switching frequency for minimizing passive component size while managing electromagnetic interference. Evaluate the thermal performance within the specified temperature range for the intended enclosure. Compare input voltage requirements against the source supply to ensure operation remains within the 2.3 V to 5.5 V limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3691 series of high-accuracy, miniature step-down converters designed for portable applications. It shares the same core architecture and physical package as other variants in the family, differing primarily in the fixed output voltage setting determined by internal resistor networks. The series targets applications demanding small form factors and efficient power delivery from single-cell batteries.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3691TLX-1.0/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

Is the output voltage adjustable on the LM3691TLX-0.75/NOPB?

No, this specific variant has a fixed output voltage of 750 mV. Adjustable versions require different part numbers.

What is the maximum input voltage supported by this converter?

The device supports a maximum input voltage of 5.5 V.