Texas Instruments

LM2661MX/NOPB  

DC Switching Voltage Regulators

LM2661MX/NOPB Description

The LM2661MX/NOPB is a fixed-output voltage regulator designed for high efficiency and performance in a wide range of applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust design and reliable operation. The LM2661MX/NOPB features a charge pump topology, which allows it to achieve high efficiency over a wide input voltage range from 1.5V to 5.5V. It is capable of delivering up to 100mA of output current, making it suitable for various low-power applications. The regulator supports both positive and negative output configurations, providing flexibility in system design. Despite its obsolescence status, the LM2661MX/NOPB remains a reliable choice for applications requiring a ratiometric function and a switching frequency of 5kHz or 40kHz.

LM2661MX/NOPB Features

• Fixed Output Voltage: Ensures stable power supply with minimal fluctuations.
• Wide Input Voltage Range: Operates efficiently from 1.5V to 5.5V, making it suitable for a variety of power sources.
• High Output Current: Delivers up to 100mA, sufficient for powering multiple low-power devices.
• Dual Output Configuration: Supports both positive and negative output voltages, enhancing design flexibility.
• Ratiometric Function: Maintains a constant output-to-input voltage ratio, ideal for applications requiring consistent performance.
• Switching Frequencies: Offers options of 5kHz and 40kHz, allowing designers to optimize for either low noise or high efficiency.
• Surface Mount Technology: Utilizes an 8-SOIC package, suitable for compact and space-constrained designs.
• Compliance and Safety: Meets REACH and RoHS3 compliance standards, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures reliability in various environmental conditions.
• Synchronous Rectifier: Not required, simplifying the design and reducing component count.

LM2661MX/NOPB Applications

The LM2661MX/NOPB is ideal for applications requiring a reliable and efficient power supply with minimal space requirements. Its dual output configuration and wide input voltage range make it suitable for:

• Portable Devices: Powers handheld devices, ensuring consistent performance across varying battery levels.
• Consumer Electronics: Provides stable power supply for low-power consumer products, enhancing reliability and user experience.
• Telecommunications: Ensures stable power delivery in communication devices, maintaining performance in diverse operating conditions.
• Automotive Electronics: Suitable for automotive applications requiring high efficiency and reliability.
• Industrial Control Systems: Powers control systems and sensors, ensuring consistent operation in industrial environments.

Conclusion of LM2661MX/NOPB

The LM2661MX/NOPB is a versatile and efficient power management solution, offering a wide input voltage range, high output current, and dual output configuration. Despite its obsolescence status, it remains a reliable choice for applications requiring a fixed output voltage regulator with a charge pump topology. Its compliance with environmental standards and robust design make it suitable for a variety of applications, from portable devices to industrial control systems. For designers seeking a compact, efficient, and reliable power solution, the LM2661MX/NOPB is an excellent option.

LM2661MX/NOPB Documents

Download datasheets and manufacturer documentation for LM2661MX/NOPB