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LM3691TL-1.0/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 1V 1A 6DSBGA. Review the specifications below when checking this part for your BOM.
The LM3691TL-1.0/NOPB is a high-accuracy, miniature 1A step-down DC-DC converter designed for portable applications. Manufactured by Texas Instruments, it operates with an input voltage range of 2.3V to 5.5V and provides a fixed output voltage of 1.0V. The device features a switching frequency of 4MHz and supports up to 1A output current in a 6-DSBGA package. It functions within a temperature range of -40°C to +85°C.
Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with your design requirements. Confirm that the NOPB designation aligns with lead-free manufacturing standards required for your assembly process. Cross-reference the package marking and pinout diagram to prevent installation errors during PCB assembly.
Select this component when a fixed 1.0V output is required from a single-cell lithium-ion or similar battery source. Ensure the application load does not exceed the 1A continuous current rating. Consider the 4MHz switching frequency for inductor size optimization compared to lower-frequency alternatives.
This part belongs to the LM3691 series of high-accuracy step-down converters. It shares architectural similarities with other variants in the family, differing primarily in fixed output voltage settings. The series targets applications where physical footprint and power efficiency are critical constraints.
LM3691TLX-1.0/NOPB is a documented equivalent variant within the same product line.
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