The LD1117S28TR from STMicroelectronics is a robust and reliable low-dropout voltage regulator designed to provide a fixed 2.8V output voltage with a maximum output current of up to 800mA. This component belongs to the LD1117 series, which is well-known for its high efficiency and low dropout performance, making it an ideal choice for a variety of applications that require a stable voltage supply.

Key Features

• Low Dropout Voltage: The LD1117S28TR offers a low dropout voltage, which ensures efficient operation even when the input voltage is close to the output voltage, reducing power loss and improving overall system efficiency.
• Output Voltage Tolerance: The device provides excellent output voltage precision with a tolerance of ±1%, ensuring a reliable and consistent voltage supply for sensitive electronic components.
• High Output Current: With a capability to deliver up to 800mA of output current, this voltage regulator can power a wide range of devices, from microcontrollers to small motors.
• Thermal Overload Protection: The built-in thermal shutdown feature protects the device from damage due to overheating, enhancing its reliability and longevity.
• Short Circuit Protection: The LD1117S28TR is equipped with current limiting and short circuit protection, safeguarding both the regulator and the connected load in the event of a fault condition.

Applications

The versatility of the LD1117S28TR makes it suitable for a wide range of applications, including:

• Consumer Electronics
• Computer Systems
• Telecommunication Devices
• Battery-Powered Equipment
• Portable Devices

Package and Availability

The LD1117S28TR voltage regulator is available in a compact SOT-223 package, which is suitable for surface-mount technology (SMT) and occupies minimal space on a printed circuit board (PCB). This product is available for order and can be sourced directly from STMicroelectronics or through authorized distributors.