Product Overview: LT1129IST-3.3#PBF

The LT1129IST-3.3#PBF is a high-performance, low dropout (LDO) voltage regulator from Linear Technology, designed to deliver a fixed output voltage of 3.3V with an output current of up to 700mA. This device is ideal for applications requiring a stable and reliable power supply with low voltage drop, high efficiency, and excellent line and load regulation.

Key Features

• Low Dropout Voltage: The LT1129IST-3.3#PBF boasts a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage, making it suitable for battery-powered devices.
• High Output Current: Capable of delivering up to 700mA of output current, this regulator can power a wide range of components without the need for an additional heat sink under normal operating conditions.
• Stable with Low ESR Capacitors: The device is stable with output capacitors having low equivalent series resistance (ESR), which is critical for maintaining output accuracy and transient response.
• Thermal Protection: Built-in thermal shutdown protection safeguards the regulator from damage due to overheating.
• Low Quiescent Current: The quiescent current is low, making this regulator an excellent choice for battery-powered applications where power conservation is crucial.

Applications

The LT1129IST-3.3#PBF is versatile and can be used in a variety of applications, including but not limited to:

• Portable Electronics
• Microprocessor Supply
• Battery-Powered Equipment
• Linear Power Supplies
• Automotive Electronics
• Industrial Power Systems

Product Specifications

• Output Voltage: 3.3V fixed
• Output Current: Up to 700mA
• Dropout Voltage: Low
• Package: Surface mountable DD-Pak/TO-263
• Operating Temperature Range: -40°C to 125°C
• Protection Features: Overcurrent protection, thermal shutdown

The LT1129IST-3.3#PBF from Linear Technology is a reliable choice for designers who require a high-quality, fixed voltage regulator with a compact footprint, robust protection features, and compatibility with a wide range of applications.