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LT1963AES8-3.3

LT1963AES8-3.3 Description

The LT1963AES8-3.3 is a fixed output voltage regulator designed by Linear Technology, a leading manufacturer in the field of power management integrated circuits (PMICs). This regulator is part of the LT1963A series, known for its low noise and fast transient response, making it ideal for a variety of applications requiring stable and efficient power delivery.

LT1963AES8-3.3 Features

• Output Type: Fixed at 3.3V, ensuring consistent power supply to connected devices.
• Input Voltage Range: Capable of handling a maximum input voltage of 20V, providing flexibility in power source selection.
• Output Current: Delivers up to 1.5A, suitable for applications requiring moderate to high current loads.
• Low Dropout Voltage: With a maximum dropout voltage of 0.55V at 1.5A, the LT1963AES8-3.3 maintains high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 1.5 mA in quiescent mode, minimizing power loss and extending battery life in portable devices.
• High PSRR: Achieves a power supply rejection ratio (PSRR) of 63dB at 120Hz, effectively filtering out noise from the input supply.
• Control Features: Includes an enable pin, allowing for precise control over the regulator's operation.
• Protection Features: Equipped with over-current, over-temperature, and reverse polarity protection, ensuring robustness and reliability in various operating conditions.
• Mounting Type: Surface mount, facilitating compact and efficient PCB designs.
• Package: Available in bulk, suitable for high-volume production.

LT1963AES8-3.3 Applications

The LT1963AES8-3.3 is ideal for applications that demand a stable and efficient power supply with minimal noise. Its low dropout voltage and high PSRR make it particularly suitable for:

• Consumer Electronics: Powering sensitive analog circuits in devices such as smartphones, tablets, and portable audio equipment.
• Industrial Equipment: Providing reliable power to sensors, actuators, and control systems in industrial automation and instrumentation.
• Medical Devices: Ensuring stable power delivery to critical components in medical monitoring and diagnostic equipment.
• Telecommunications: Supporting low noise power requirements in base stations, routers, and other communication infrastructure.

Conclusion of LT1963AES8-3.3

The LT1963AES8-3.3 stands out in the market due to its combination of low noise, fast transient response, and robust protection features. Its fixed 3.3V output and ability to handle up to 1.5A make it a versatile solution for a wide range of applications. Despite being marked as obsolete by Linear Technology, the LT1963AES8-3.3 remains a reliable choice for engineers seeking a high-performance regulator with proven reliability and efficiency.