Texas Instruments

LM2775DSGT  

DC Switching Voltage Regulators

The LM2775DSGT is a high-efficiency step-down (buck) switching regulator from Texas Instruments. This device is designed to provide a regulated output voltage from a higher input voltage source. Here is a brief description, features, and applications of the LM2775DSGT:

Description:

The LM2775DSGT is a compact, high-efficiency synchronous buck regulator that offers a wide input voltage range and a wide output voltage range. It is available in a small, thermally enhanced DSGT package, making it suitable for a variety of applications where space is at a premium.

Features:

1. High Efficiency: The LM2775DSGT offers efficiency levels of up to 96%, which helps to minimize power dissipation and reduce the need for heat sinks or other cooling solutions.
2. Wide Input Voltage Range: The device can operate with input voltages from 4V to 40V, making it suitable for a wide range of applications.
3. Wide Output Voltage Range: The output voltage can be programmed from 0.9V to the input voltage minus 2V, providing flexibility for different output voltage requirements.
4. Synchronous Rectification: The LM2775DSGT uses synchronous rectification, which improves efficiency by reducing conduction losses in the rectifier switches.
5. Small Package: The DSGT package is a small, thermally enhanced package that allows for easy integration into compact designs.
6. Programmable Soft Start: The soft-start feature can be programmed to reduce inrush current and minimize output voltage overshoot during startup.
7. Protection Features: The device includes over-current protection, thermal shutdown, and output short-circuit protection to ensure reliable operation.
8. External Compensation: The LM2775DSGT features external compensation, allowing for optimization of the regulator's performance in different applications.

Applications:

1. Portable Electronics: Due to its high efficiency and small size, the LM2775DSGT is well-suited for powering portable electronic devices such as smartphones, tablets, and wearable devices.
2. Power Adapters: The wide input voltage range makes it suitable for use in power adapters and chargers for various electronic devices.
3. Battery Management: The LM2775DSGT can be used in battery-powered systems to efficiently step down the voltage from a battery to a lower level required by the system.
4. Telecommunications: The device can be used in power supply applications for telecommunications equipment, where efficiency and reliability are critical.
5. Industrial Control Systems: The LM2775DSGT can be used in industrial control systems to provide a regulated power supply for various components.

In summary, the LM2775DSGT is a versatile, high-efficiency step-down switching regulator from Texas Instruments that offers a wide input voltage range, a wide output voltage range, and a compact package, making it suitable for a variety of applications where space and efficiency are important.

LM2775DSGT Documents

Download datasheets and manufacturer documentation for LM2775DSGT

PCN Assembly/Origin :

SN2040/LM2775 19/Jan/2018      

Datasheets :

LM2775      

HTML Datasheet :

LM2775      

PCN Design/Specification :

Mult Dev Material Chg 29/Mar/2018