LT1129MPST-3.3 - Low Dropout Regulator

The LT1129MPST-3.3 is a high-performance low dropout regulator (LDO) from Linear Technology, designed to provide a stable and reliable power supply in a wide range of applications. This particular model is part of the LT1129 series, which is known for its low dropout voltage and high efficiency, making it an ideal choice for systems that require a consistent 3.3V output.

Key Features:

• Output Voltage: Fixed at 3.3V, which is a common requirement for many digital and analog circuits.
• Dropout Voltage: Very low dropout performance, typically 350mV at full load, which allows for efficient operation even when the input voltage is close to the output voltage.
• Output Current: Capable of delivering up to 700mA of continuous output current, suitable for a variety of applications.
• Thermal Protection: Features thermal shutdown protection that safeguards the device and the system from overheating.
• Power Supply Rejection Ratio (PSRR): Excellent ripple rejection, which ensures a clean and stable output even in the presence of supply fluctuations.
• Stability: Stable with aluminum, tantalum, or ceramic capacitors, providing flexibility in design.
• Temperature Range: Operates reliably over a wide temperature range, making it suitable for industrial and automotive applications.

Applications:

The LT1129MPST-3.3 is versatile and can be used in a variety of applications, including but not limited to:

• Portable Devices
• Automotive Electronics
• Industrial Equipment
• Battery-Powered Systems
• Microprocessor Supplies

With its robust design and reliable performance, the LT1129MPST-3.3 is a great choice for designers looking for a high-quality LDO regulator that can maintain a steady 3.3V in challenging conditions.