The LD2985AM30R from STMicroelectronics is a high-performance, low-dropout voltage regulator designed for applications that demand low power consumption and high voltage accuracy. This device is particularly well-suited for battery-powered systems such as personal digital assistants (PDAs), cellular phones, and portable audio players, where extended battery life is a key requirement.

Key Features

• Low Dropout: With a very low dropout voltage of typically just 0.2V at a 50mA load, this regulator ensures efficient operation even when the supply voltage is very close to the output voltage.
• High Accuracy: The output voltage is guaranteed to be within ±1% of the rated 3.0V, providing precise voltage regulation for sensitive electronic components.
• Low Quiescent Current: The LD2985AM30R boasts an extremely low quiescent current of 0.2µA in off mode and 500µA in on mode, which significantly enhances battery life in portable applications.
• Stable with Low ESR Capacitors: The regulator is stable with low ESR ceramic capacitors, offering improved performance in terms of ripple rejection and output noise.
• Thermal and Overcurrent Protection: The device includes internal thermal shutdown and current limiting features to protect the electronic system from damage caused by excessive heat and overcurrent conditions.

Applications

The LD2985AM30R is versatile and can be used in various applications. Its main uses include:

• Mobile phones and communication devices
• Portable media players and audio devices
• Personal digital assistants (PDAs)
• Portable gaming systems
• GPS receivers
• Other battery-powered devices

Product Details

The LD2985AM30R is available in a SOT-23-5 package, which is ideal for space-constrained applications. Its 3.0V output voltage is optimized for logic ICs, and the device supports a wide input voltage range, making it flexible for use in various system configurations. With its combination of features, the LD2985AM30R is an excellent choice for designers looking to maximize the performance and battery life of their portable electronic products.