Texas Instruments

LM2772SD

LM2772SD Description

The LM2772SD is a fixed output voltage charge pump regulator designed for high efficiency and low power consumption applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category. It features a fixed output voltage of 1.2V and is capable of delivering up to 150mA of output current. The LM2772SD operates within an input voltage range of 2.7V to 5.5V, making it suitable for a variety of power supply applications. The regulator employs a charge pump topology with a switching frequency of 1.15MHz, ensuring efficient voltage conversion. The device is packaged in a surface mount format, specifically in a Tape & Reel (TR) configuration, which is ideal for automated assembly processes. Despite its obsolescence status, the LM2772SD remains a reliable choice for specific power management needs.

LM2772SD Features

• Fixed Output Voltage: The LM2772SD provides a stable 1.2V output voltage, ideal for applications requiring a consistent power supply.
• Wide Input Voltage Range: With an input voltage range of 2.7V to 5.5V, the regulator can accommodate various power sources, enhancing its versatility.
• High Efficiency: Utilizing a charge pump topology, the LM2772SD achieves high efficiency in voltage conversion, minimizing power loss.
• Low Output Current: The regulator is designed to deliver up to 150mA of output current, making it suitable for low-power applications.
• Surface Mount Packaging: The surface mount package (Tape & Reel) facilitates easy integration into modern PCB designs and supports automated manufacturing processes.
• Moisture Sensitivity Level 1: The device is rated for unlimited exposure to moisture, ensuring reliability in various environmental conditions.
• REACH Unaffected: The LM2772SD complies with REACH regulations, ensuring it is free from harmful substances and suitable for global markets.

LM2772SD Applications

The LM2772SD is well-suited for a range of applications where low power consumption and efficient voltage regulation are critical. Some specific use cases include:

• Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and wearable technology, where efficient power management is essential.
• Embedded Systems: Suitable for embedded systems requiring a stable 1.2V supply, such as microcontrollers and sensors.
• Consumer Electronics: Applicable in consumer electronics like digital cameras and media players, where low power consumption and compact design are priorities.
• Industrial Applications: Can be used in industrial control systems and IoT devices that require reliable power management solutions.

Conclusion of LM2772SD

The LM2772SD, despite being marked as obsolete, remains a valuable component for specific power management applications. Its fixed 1.2V output, wide input voltage range, and high efficiency make it an attractive choice for low-power, compact designs. The surface mount packaging and moisture sensitivity level 1 rating further enhance its reliability and ease of integration. While newer alternatives may offer additional features, the LM2772SD continues to provide a robust solution for applications requiring efficient voltage regulation and low power consumption.