LD2979M33 - Low Drop Voltage Regulator from STMicroelectronics

The LD2979M33 is a high-performance, low drop voltage regulator designed by STMicroelectronics, a global semiconductor leader known for its cutting-edge technology. This regulator is specifically engineered to maintain a stable output voltage even when there is a significant difference between the input voltage and the output voltage, ensuring minimal voltage drop across the device.

Key Features

• Low Dropout Voltage: The LD2979M33 offers an extremely low dropout voltage, typically around 0.4V at 500mA of load current, which is ideal for battery-operated devices where extending battery life is crucial.
• High Output Accuracy: With an output voltage tolerance of ±1% at 25°C, this voltage regulator provides precise voltage regulation, essential for sensitive electronic components.
• Output Current: The device is capable of supplying up to 500mA of output current, making it suitable for a wide range of applications.
• Thermal Overload Protection: The built-in thermal shutdown and short-circuit protection features safeguard the device and the application from damage due to overheating and overcurrent conditions.
• Wide Operating Temperature Range: The LD2979M33 is designed to operate over an industrial temperature range from -40°C to 125°C, ensuring reliability across diverse environmental conditions.

Applications

The LD2979M33 is versatile and can be used in various applications, including:

• Battery-powered equipment
• Portable devices
• Microcontroller power supply
• Consumer electronics
• Automotive applications

Package and Availability

The LD2979M33 is available in multiple package options, including the compact SOT-23 and the larger TO-220, providing flexibility for different PCB layouts and space constraints. STMicroelectronics ensures the availability of this regulator through its extensive distribution network, supporting both large volume production and small prototype requirements.

For more detailed specifications, application notes, and design resources, customers are encouraged to visit the official STMicroelectronics website or contact their local sales office.