The LD2982BM15R from STMicroelectronics is a high-performance, low drop voltage regulator that is specifically designed to deliver a stable and precise 1.5V output voltage. This device is part of the LD2982 series and offers an excellent solution for applications requiring a low voltage supply with minimal power loss.

Key Features

• Output Voltage: Fixed output at 1.5V, which is ideal for low-voltage applications.
• Low Dropout Voltage: The dropout voltage is very low, typically around 120mV at 50mA load, which enhances efficiency and allows operation over a wider range of input voltages.
• High Accuracy: Output voltage tolerance is within ±1.0% at 25°C, ensuring reliable and consistent performance.
• Current and Thermal Limit: Features include internal current limiting and thermal shutdown protection mechanisms, safeguarding the device and the load from damage due to over-current and overheating conditions.
• Low Quiescent Current: The quiescent current is very low, typically 0.2μA in off mode and 50μA in on mode, which is beneficial for battery-powered devices.
• Package: Available in the SOT-23 package, which is compact and suitable for space-constrained applications.

Applications

The LD2982BM15R is well-suited for a variety of applications that require a stable and efficient low voltage power supply. These include:

• Battery-powered devices
• Portable electronics
• Microcontrollers and digital systems
• Mobile phones
• Personal digital assistants (PDAs)

With its precise output voltage, low dropout, and power-saving features, the LD2982BM15R is an excellent choice for designers looking to optimize power management in their electronic projects.