Texas Instruments

LM2687LD/NOPB

LM2687LD/NOPB Description

The LM2687LD/NOPB is a surface-mount, charge pump DC switching voltage regulator designed by Texas Instruments. This regulator offers an adjustable output voltage, making it highly versatile for various applications. It operates within an input voltage range of 2.7V to 5.5V and can deliver a maximum output current of 10mA. The regulator features a negative output configuration, which is ideal for applications requiring a negative voltage supply.

LM2687LD/NOPB Features

• Adjustable Output Voltage: The LM2687LD/NOPB provides an adjustable output voltage, allowing designers to tailor the regulator to specific application requirements.
• Wide Input Voltage Range: With an input voltage range from 2.7V to 5.5V, this regulator is suitable for a variety of power supply scenarios.
• Low Output Current: The regulator is designed to deliver a maximum output current of 10mA, making it ideal for low-power applications.
• Negative Output Configuration: The negative output configuration is particularly useful for applications requiring a negative voltage supply.
• Charge Pump Topology: Utilizing a charge pump topology, the LM2687LD/NOPB offers efficient voltage conversion with a switching frequency of 110kHz.
• Surface Mount Packaging: The surface-mount package type ensures easy integration into compact and space-constrained designs.
• Obsolete Status: While the product is marked as obsolete, it remains a reliable choice for existing designs and legacy systems.
• Compliance and Safety: The LM2687LD/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the regulator is suitable for a wide range of manufacturing environments.

LM2687LD/NOPB Applications

The LM2687LD/NOPB is well-suited for applications that require a negative voltage supply and operate within a low-power envelope. Specific use cases include:

• Battery-Powered Devices: The wide input voltage range and low output current make it ideal for battery-powered devices where power efficiency is critical.
• Portable Electronics: Its compact surface-mount package and adjustable output voltage are perfect for portable electronic devices that require a negative voltage supply.
• Medical Devices: The regulator's compliance with environmental and safety standards makes it suitable for use in medical devices that demand high reliability and safety.
• Telecommunications: In low-power telecommunication equipment, the LM2687LD/NOPB can provide a stable negative voltage supply.

Conclusion of LM2687LD/NOPB

The LM2687LD/NOPB is a versatile and reliable DC switching voltage regulator designed for applications requiring a negative voltage supply. Its adjustable output voltage, wide input voltage range, and low output current make it suitable for a variety of low-power applications. Despite its obsolete status, the regulator remains a robust choice for existing designs and legacy systems, offering compliance with environmental and safety standards. For designers seeking a compact, efficient, and reliable solution for negative voltage supply, the LM2687LD/NOPB is an excellent option.