Texas Instruments

LM2687MMX  

DC Switching Voltage Regulators

LM2687MMX Description

The LM2687MMX is a high-performance, adjustable charge pump voltage regulator designed by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8VSSOP package. The LM2687MMX offers a wide input voltage range from 2.7V to 5.5V, making it suitable for a variety of applications where input voltage levels can vary significantly. It provides a negative output configuration with an adjustable output type, allowing for flexibility in power supply design. The regulator is capable of delivering up to 10mA of output current, making it ideal for low-power applications. With a switching frequency of 110kHz, the LM2687MMX ensures efficient power conversion and minimal electromagnetic interference (EMI).

LM2687MMX Features

• Wide Input Voltage Range: The LM2687MMX operates within an input voltage range of 2.7V to 5.5V, providing robust performance across varying power supply conditions.
• Adjustable Output Voltage: The regulator's adjustable output type allows for precise control over the output voltage, catering to specific application requirements.
• Negative Output Configuration: The negative output configuration is ideal for applications requiring negative voltage rails, such as in analog circuits and certain types of sensors.
• Low Output Current: With a maximum output current of 10mA, the LM2687MMX is optimized for low-power applications, ensuring efficient energy usage and minimal power dissipation.
• Charge Pump Topology: Utilizing a charge pump topology, the regulator achieves high efficiency and compact design, making it suitable for space-constrained applications.
• Surface Mount Packaging: The surface mount mounting type allows for easy integration into modern printed circuit board (PCB) designs, enhancing reliability and ease of manufacturing.
• Moisture Sensitivity Level (MSL) 1: The LM2687MMX has an MSL rating of 1 (unlimited), indicating high resistance to moisture, which is beneficial for applications in humid environments.
• REACH Compliance: The regulator is REACH unaffected, ensuring compliance with environmental regulations and suitability for global markets.
• Tape & Reel Packaging: The LM2687MMX is available in tape & reel packaging, facilitating automated assembly processes and ensuring consistent component placement.

LM2687MMX Applications

The LM2687MMX is well-suited for a range of applications that require precise voltage regulation and low power consumption. Some specific use cases include:

• Portable Electronic Devices: Ideal for battery-powered devices such as smartphones, tablets, and wearables, where low power consumption and adjustable voltage regulation are crucial.
• Analog Circuits: Suitable for powering analog circuits that require negative voltage rails, such as operational amplifiers and analog-to-digital converters (ADCs).
• Sensor Applications: Provides a reliable power source for various sensors, including temperature, pressure, and humidity sensors, ensuring accurate and consistent performance.
• Medical Devices: Can be used in medical equipment where precise voltage control and low power consumption are essential, such as portable diagnostic devices and wearable health monitors.
• Industrial Control Systems: Useful in industrial applications where low-power, adjustable voltage regulators are needed for control and monitoring systems.

Conclusion of LM2687MMX

The LM2687MMX from Texas Instruments is a versatile and efficient charge pump voltage regulator designed for low-power applications. Its wide input voltage range, adjustable output voltage, and negative output configuration make it a flexible solution for various power management needs. The regulator's low output current and charge pump topology ensure high efficiency and compact design, while its surface mount packaging and moisture sensitivity level 1 rating enhance its reliability and ease of integration. Although the LM2687MMX is now obsolete, it remains a valuable component for applications requiring precise voltage regulation and low power consumption.

LM2687MMX Documents

Download datasheets and manufacturer documentation for LM2687MMX