Texas Instruments

LM2775DSGR

The LM2775DSGR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages. Here is a description of the model, its features, and applications:

Description:

The LM2775DSGR is a highly integrated, high-efficiency synchronous step-down regulator that can operate from an input voltage range of 4.5V to 38V. It is available in a compact DSG (Dual Side Ground) package, which allows for easy PCB layout and thermal performance.

Features:

1. Wide input voltage range: 4.5V to 38V
2. Synchronous rectification for high efficiency
3. Adjustable output voltage: 0.8V to 38V (typical)
4. High efficiency: up to 96% depending on the input and output voltages
5. Internal soft-start and current limiting
6. Thermal shutdown and over-current protection
7. Small form factor: DSG package
8. Low quiescent current: 65µA (typical)
9. Wide operating temperature range: -40°C to 125°C

Applications:

1. Portable devices: Powering mobile phones, tablets, and other handheld devices
2. Power banks: Regulating the output voltage for charging and discharging
3. Battery-powered systems: Providing a stable output voltage for battery-powered equipment
4. LED lighting: Driving high-brightness LEDs with efficient power conversion
5. Industrial control systems: Providing a regulated power supply for various industrial applications
6. Telecommunication equipment: Powering and regulating power supplies for telecom devices
7. Automotive applications: Used in various automotive systems, such as infotainment, lighting, and control modules

The LM2775DSGR is a versatile and efficient step-down regulator suitable for a wide range of applications, particularly those requiring high efficiency and a compact form factor.