The LD2982AM47R from STMicroelectronics is a highly efficient, fixed-output voltage regulator designed for a wide range of applications. This device offers a precise 4.7V output with a low dropout voltage, making it ideal for battery-powered devices where extending battery life is crucial. With its ability to deliver up to 50 mA of continuous current, this regulator is suitable for small-scale projects and portable electronics.

Key Features

• Output Voltage: Fixed 4.7V, providing a stable power supply for consistent performance.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage, maximizing battery life.
• Current Capability: Capable of supplying up to 50 mA of load current, suitable for low-power devices.
• Low Quiescent Current: Minimizes power consumption when the device is in standby mode, further enhancing battery conservation.
• Thermal Overload Protection: Protects the regulator from damage due to overheating, ensuring long-term reliability.
• Short Circuit Protection: Shields both the regulator and the powered device from potential damage caused by short circuits.

Applications

The LD2982AM47R is versatile and can be used in a variety of electronic circuits. Some common applications include:

• Mobile phones and personal digital assistants (PDAs)
• Battery-powered devices and portable electronics
• Microcontroller power supplies
• Portable media players
• Healthcare devices like glucometers and digital thermometers

Package and Quality

This voltage regulator is available in a compact SOT-23 package, which is suitable for space-constrained applications. The LD2982AM47R is part of STMicroelectronics' commitment to high-quality products and is manufactured to meet stringent industry standards for performance and reliability.

Conclusion

With its low dropout performance, current capability, and protection features, the LD2982AM47R is an excellent choice for designers looking for a reliable and efficient voltage regulator. Whether it's for consumer electronics, medical devices, or any other low-power application, this product from STMicroelectronics stands out for its performance and durability.