STMicroelectronics LD1117A Voltage Regulator

The LD1117A from STMicroelectronics is a highly reliable, low-dropout voltage regulator suitable for various electronic applications. This linear voltage regulator is designed to provide a stable output voltage with a low dropout voltage and excellent line and load regulation characteristics. It is a perfect choice for applications that require a steady voltage supply, even when the input voltage is close to the output voltage.

Key Features

• Adjustable and Fixed Output: The LD1117A series offers versions with fixed output voltages of 1.8V, 2.5V, 3.3V, 5.0V, and an adjustable version that can be set from 1.25V to 13.8V using external resistors.
• Low Dropout Voltage: The device provides a dropout voltage as low as 1.2V at up to 800mA load current, which is ideal for battery-operated devices.
• High Output Current: Capable of delivering up to 800mA of output current, this regulator can support a wide range of power requirements.
• Thermal Overload Protection: The built-in thermal shutdown feature ensures the device operates within safe temperature limits, preventing damage from overheating.
• Short Circuit Protection: The LD1117A includes short circuit protection that helps safeguard the device and the load in the event of a fault condition.
• Low Ground Current: The ground current is low at full load, which contributes to the overall efficiency of the system.
• Wide Operating Temperature Range: The device is designed to operate over an industrial temperature range of -40°C to 125°C, making it suitable for harsh environments.

Applications

The versatility of the LD1117A makes it suitable for a broad spectrum of applications, including:

• Consumer Electronics
• Portable Devices
• Computer Peripherals
• Power Management Solutions

With its robust design and comprehensive features, the STMicroelectronics LD1117A voltage regulator is an excellent choice for designers looking for a reliable power management solution that can deliver consistent performance across a range of conditions.