The UCC381DP-3 is a robust linear voltage regulator designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This component is part of the UCC381xx series, which are low dropout (LDO) regulators offering excellent regulation and low power dissipation. The UCC381DP-3 is particularly suitable for applications requiring a regulated 3.3V output from a higher voltage input.

With an input voltage range of 4.5V to 5.5V, the UCC381DP-3 is capable of delivering up to 100mA of output current. This makes it an ideal choice for small-scale applications, such as powering microcontrollers, sensors, and other low-power devices in both commercial and industrial settings. Its low dropout voltage ensures efficient operation even when the input voltage is very close to the output voltage, which is critical for battery-powered devices where every millivolt counts.

The UCC381DP-3 features thermal shutdown and current limiting to protect the device under abnormal conditions. These safety features contribute to the reliability and longevity of both the regulator and the system it is used in. The package is also designed to be compact, making it suitable for space-constrained applications.

Key Features:

• Output Voltage: Fixed 3.3V
• Output Current: Up to 100mA
• Input Voltage Range: 4.5V to 5.5V
• Low Dropout Voltage: Ensures efficient use of input power
• Thermal Shutdown: Provides over-temperature protection
• Current Limiting: Protects against over-current conditions
• Compact Package: Ideal for space-constrained applications

The UCC381DP-3 is available in a PDIP-8 package, which is easy to handle and integrate into a variety of circuit designs. Its performance and reliability are backed by Texas Instruments' commitment to high-quality manufacturing and extensive testing.

In summary, the UCC381DP-3 from Texas Instruments is a reliable and efficient solution for applications requiring a stable 3.3V power supply. Its combination of features and protections ensures that it can meet the needs of a diverse range of electronic devices and systems.