LM3691TL-1.5/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3691TL-1.5/NOPB is a high-accuracy, miniature synchronous 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 1.5 V and utilizes a switching frequency of 4 MHz. It is housed in a compact 6-pin DSBGA package measuring 1.5 x 1.3 mm. The component supports operation across a temperature range of -30°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Miniature 6-pin DSBGA package design
• Fixed output voltage configuration
• High switching frequency operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices
• Battery-powered systems
• Embedded power management circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm the fixed output voltage value. Ensure the package type matches the required footprint. Confirm RoHS compliance status through manufacturer documentation. Check for obsolescence notices as availability may vary.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a small form factor and fixed low-voltage output are required. The 4 MHz switching frequency allows for smaller external passive components. Verify that the load current requirements do not exceed the 1 A limit. Ensure the input voltage stays within the specified operational range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3691 series of high-accuracy, miniature step-down converters. The series offers various fixed output voltage options to suit different logic levels. The LM3691 family is designed for space-constrained portable applications requiring efficient power conversion from single-cell lithium-ion sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Other variants within the LM3691 series with different output voltages (e.g., LM3691TL-1.8/NOPB) share the same package and electrical characteristics except for the output setting. Cross-reference with other 1A synchronous buck converters if pin compatibility or specific thermal performance differs.