Analog Devices Inc.

LT3063IDCB

LT3063IDCB Description

The LT3063IDCB is a high-performance, low-dropout linear regulator designed by Analog Devices Inc. This device is part of the Power Management Integrated Circuit (PMIC) category and offers an adjustable output voltage with a wide input voltage range up to 45V. It is capable of delivering a maximum output current of 200mA, making it suitable for a variety of applications requiring precise voltage regulation. The LT3063IDCB features a low dropout voltage of 0.53V at 200mA, ensuring efficient operation even at low input-to-output differentials. This regulator is housed in a surface-mount 8-lead DFN package, providing a compact solution for space-constrained designs.

LT3063IDCB Features

• Adjustable Output Voltage: The LT3063IDCB offers an adjustable output voltage range from 0.6V to 19V, providing flexibility to meet various power supply requirements.
• Low Dropout Voltage: With a maximum dropout voltage of 0.53V at 200mA, this regulator ensures high efficiency and minimal power loss, especially in applications with tight input-to-output voltage margins.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 85dB at 120Hz, effectively filtering out noise and ripple from the input supply, resulting in a clean and stable output voltage.
• Low Quiescent Current: The LT3063IDCB operates with a low quiescent current of 90µA, making it suitable for battery-powered and low-power applications where minimizing standby power consumption is crucial.
• Protection Features: This regulator includes over-current, over-temperature, and reverse polarity protection, ensuring robustness and reliability in various operating conditions.
• Enable Control: The enable feature allows for easy control of the regulator's operation, enabling quick turn-on and turn-off, which is beneficial for power sequencing and power-saving modes.
• Surface-Mount Package: The 8-lead DFN package is designed for surface-mount technology, offering a compact and reliable solution for modern PCB designs.

LT3063IDCB Applications

The LT3063IDCB is ideal for a range of applications where precise voltage regulation, low dropout voltage, and high efficiency are critical. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and high PSRR make this regulator suitable for portable electronics and battery-operated devices, ensuring long battery life and stable performance.
• Industrial Control Systems: The wide input voltage range and robust protection features make it ideal for industrial applications where reliability and efficiency are paramount.
• Telecommunications: The regulator's ability to handle high input voltages and provide a stable output makes it suitable for telecom equipment, including base stations and networking devices.
• Medical Devices: The precise voltage regulation and low dropout voltage are beneficial for medical equipment that requires reliable and efficient power management.

Conclusion of LT3063IDCB

The LT3063IDCB from Analog Devices Inc. is a versatile and high-performance linear regulator that offers adjustable output voltage, low dropout voltage, and high PSRR. Its compact surface-mount package and comprehensive protection features make it an excellent choice for a wide range of applications, from battery-powered devices to industrial and medical equipment. Despite being marked as obsolete, the LT3063IDCB remains a reliable option for engineers seeking a robust and efficient power management solution.