STMicroelectronics LD1117ADT33TR Voltage Regulator

The LD1117ADT33TR from STMicroelectronics is a robust linear voltage regulator designed to provide a fixed output voltage of 3.3V with a capability to deliver up to 800mA of output current. This product is part of the LD1117A series, which is well-known for its high efficiency, low dropout performance, and excellent line and load regulation features.

This voltage regulator is housed in a DPAK (TO-252) package, which is ideal for surface-mount technology (SMT) and offers a compact footprint for space-constrained applications. The LD1117ADT33TR is suitable for a wide range of applications, including but not limited to, consumer electronics, computer peripherals, and industrial equipment.

Key Features:

• Output Voltage: Fixed 3.3V output to power a variety of components that require a stable voltage source.
• Output Current: Capable of supplying up to 800mA, making it suitable for medium power applications.
• Low Dropout: Operates with a very low dropout voltage, which enhances its efficiency and allows it to function effectively even when the input voltage is close to the output voltage.
• Thermal Overload Protection: Built-in thermal shutdown mechanism prevents damage from overheating, enhancing the longevity and reliability of the regulator.
• Short Circuit Protection: Offers short circuit protection that safeguards the device and the load in the event of a fault condition.
• Adjustable Versions: While the LD1117ADT33TR provides a fixed voltage, the series also includes adjustable versions for applications requiring a variable output.

The LD1117ADT33TR also exhibits impressive noise reduction capabilities and ripple rejection, ensuring a clean and stable voltage supply for sensitive electronic circuits. Its performance is further augmented by a wide range of input voltages, from 4.75V to 15V, which provides flexibility in various power supply configurations.

Whether you are designing a power management system for portable devices, creating a stable power supply for communication equipment, or implementing power conditioning in industrial settings, the LD1117ADT33TR from STMicroelectronics is a reliable choice that combines performance, versatility, and protection features in a compact, surface-mount package.