The Linear Technology LT1129CT-3.3#PBF is a highly efficient low dropout (LDO) voltage regulator with a fixed output of 3.3 volts. Designed for a wide range of applications, this device is capable of delivering up to 700mA of continuous output current with a typical dropout voltage of just 0.4V at full load. The LT1129CT-3.3#PBF is a reliable solution for systems that require a stable and clean power supply.

Key Features:

• Fixed 3.3V output voltage
• 700mA output current capability
• Low dropout voltage: typically 0.4V at full load
• Low quiescent current: 135µA typical in operation
• Shutdown quiescent current: 10µA maximum
• Stable with 10µF output capacitor
• Overcurrent and overtemperature protection
• No protection diodes needed
• Adjustable version also available

The LT1129CT-3.3#PBF is specifically designed to work with a wide variety of capacitors, including ceramic types for space-sensitive applications, while maintaining stability. This flexibility makes it an ideal choice for portable devices where space and power efficiency are critical.

In addition to its performance features, the LT1129CT-3.3#PBF includes several protection mechanisms to ensure the longevity and reliability of both the regulator and the system it powers. Overcurrent protection safeguards the device against short-circuits and excessive load conditions, while overtemperature protection ensures the regulator operates within safe temperature limits. Moreover, the regulator does not require any additional protection diodes, simplifying design and reducing component count.

For applications requiring different output voltages, Linear Technology also offers an adjustable version of this regulator, allowing designers to set the output voltage as needed with external resistors.

Whether you're designing power supplies for consumer electronics, industrial equipment, or battery-powered devices, the LT1129CT-3.3#PBF from Linear Technology is an excellent choice for a stable, efficient, and reliable voltage regulation solution.