Texas Instruments

LM1771SMM/NOPB  

DC DC Switching Controllers

LM1771SMM/NOPB Description

The LM1771SMM/NOPB is a Buck topology transistor driver IC designed for power management applications. Manufactured by Texas Instruments, this obsolete component is housed in an 8-VSSOP package and is available in tape and reel format. It operates within a supply voltage range of 2.8V to 5.5V and supports a switching frequency from 100kHz to 1MHz. The LM1771SMM/NOPB features a positive output configuration and includes a synchronous rectifier, enhancing efficiency and performance. It is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. With a moisture sensitivity level of 1 (unlimited), it is suitable for various manufacturing processes. The device includes an enable control feature and supports a single output phase, making it ideal for applications requiring precise power control.

LM1771SMM/NOPB Features

• Transistor Driver Output Type: The LM1771SMM/NOPB is designed to drive transistors efficiently, ensuring robust power delivery.
• Positive Output Configuration: This configuration ensures that the output voltage is positive relative to the ground, simplifying circuit design.
• Wide Switching Frequency Range: The 100kHz to 1MHz frequency range allows for flexibility in design, accommodating various power management requirements.
• Synchronous Rectifier: The inclusion of a synchronous rectifier enhances efficiency by reducing power loss during the rectification process.
• Enable Control Feature: This feature allows for precise control over the device's operation, enabling or disabling the output as needed.
• Single Output Phase: The single output phase ensures simplicity and reliability in power delivery.
• Environmental Compliance: The LM1771SMM/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and regulatory standards.
• Moisture Sensitivity Level 1: This rating means the component is suitable for a wide range of manufacturing processes without the need for special handling.

LM1771SMM/NOPB Applications

The LM1771SMM/NOPB is ideal for a variety of power management applications, particularly those requiring efficient power delivery and precise control. Specific use cases include:

• Power Supplies: The device's wide switching frequency range and synchronous rectifier make it suitable for designing efficient power supplies.
• Battery Management Systems: The enable control feature allows for precise power control, making it ideal for managing battery charging and discharging processes.
• Point-of-Load Converters: The LM1771SMM/NOPB can be used in point-of-load converters to provide efficient power delivery to specific components within a system.
• Telecommunications Equipment: The component's robustness and efficiency make it suitable for use in telecommunications infrastructure, where reliable power management is critical.

Conclusion of LM1771SMM/NOPB

The LM1771SMM/NOPB is a versatile and efficient Buck topology transistor driver IC from Texas Instruments. Despite being obsolete, its wide operating voltage range, synchronous rectifier, and precise control features make it a reliable choice for power management applications. The device's environmental compliance and moisture sensitivity level ensure it can be integrated into various manufacturing processes without additional considerations. While newer alternatives may offer enhanced performance, the LM1771SMM/NOPB remains a viable option for applications requiring efficient power delivery and precise control.

LM1771SMM/NOPB Documents

Download datasheets and manufacturer documentation for LM1771SMM/NOPB

Datasheets :

LM1771      

PCN Obsolescence/ EOL :

Mult Dev obs 18/Dec/2023      

PCN Design/Specification :

Copper Wire Update 14/May/2015