The 78L33B from STMicroelectronics is a fixed output voltage regulator that is designed to offer a compact, efficient, and reliable solution for applications requiring a regulated 3.3V power supply. This regulator is part of the popular 78 series, known for their ease of use and robust performance in a wide range of electronic devices.

Key Features

• Output Voltage: The device provides a precise 3.3V output, which is ideal for powering low-voltage logic circuits and microcontroller-based systems.
• Output Current: Capable of delivering up to 100mA of output current, making it suitable for small-scale applications such as powering sensors or small peripherals.
• Low Dropout Voltage: The 78L33B has a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
• Thermal Overload Protection: The built-in thermal overload protection safeguards the device from damage due to excessive power dissipation or high operating temperatures.
• Short Circuit Protection: Short circuit protection is included to prevent damage to the regulator and the connected load in the event of a fault condition.
• Package Options: Available in several package types, including the popular TO-92 package, which is suitable for through-hole mounting and ideal for prototyping or small-scale production.

Applications

The 78L33B voltage regulator is versatile and can be used in various applications, including:

• Battery-powered devices
• Microcontroller power supply
• Consumer electronics
• Portable instrumentation
• Small home appliances

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality and reliability. The 78L33B voltage regulator is manufactured with stringent quality control measures and is designed to meet the high standards expected by electronic designers and engineers worldwide. With its robust feature set and proven performance, the 78L33B is an excellent choice for any application requiring a stable 3.3V power supply.