STMicroelectronics LD3985G28R Low Dropout Regulator

The LD3985G28R from STMicroelectronics is a high-performance, low-dropout (LDO) linear voltage regulator, offering a stable and reliable power supply for a wide range of applications. This particular LDO is designed to deliver a fixed output voltage of 2.8 volts, making it an ideal choice for powering sensitive electronic circuits that require a stable and precise voltage source.

Key Features

• Low Dropout Voltage: The LD3985G28R boasts an ultra-low dropout voltage, ensuring efficient operation even when the input voltage is very close to the output voltage. This feature is particularly useful in battery-operated devices where preserving energy is crucial.
• High Output Accuracy: With an output voltage tolerance of ±1%, this LDO provides high accuracy, which is essential for maintaining the performance of critical electronic systems.
• Low Quiescent Current: The device exhibits a very low quiescent current, which significantly reduces power consumption when in idle mode, thereby extending battery life in portable applications.
• Thermal Shutdown and Short-Circuit Protection: The built-in thermal shutdown and short-circuit protection features safeguard the device and the connected load from damage due to overheating or circuit faults.
• Wide Operating Temperature Range: The LD3985G28R can operate over a broad temperature range, making it suitable for use in various environments and applications.

Applications

The versatility of the LD3985G28R allows it to be used in a multitude of applications, including but not limited to:

• Mobile Phones and PDAs
• Portable Media Players
• Wireless LANs
• GPS Receivers
• Portable Gaming Consoles

With its compact SOT-23 package, the LD3985G28R is not only space-efficient but also easy to integrate into a variety of circuit designs. STMicroelectronics' commitment to quality ensures that this LDO regulator provides a reliable power management solution for designers looking to enhance the performance and efficiency of their electronic products.