STMicroelectronics

KD1084ADT-R

KD1084ADT-R Description

The KD1084ADT-R is a linear voltage regulator IC manufactured by STMicroelectronics, designed for applications requiring adjustable positive output voltages. With a maximum input voltage of 12V and an adjustable output voltage ranging from 1.25V to 10.5V, this device is capable of delivering up to 5A of current. Featuring a single regulator in a DPAK package, the KD1084ADT-R is suitable for surface mount applications.

KD1084ADT-R Features

• Adjustable Output Voltage: The KD1084ADT-R offers an adjustable output voltage range from 1.25V to 10.5V, providing flexibility for various applications.
• High Current Output: Capable of delivering up to 5A of output current, making it suitable for high-power applications.
• Low Voltage Dropout: With a maximum dropout voltage of 1.5V at 5A, the KD1084ADT-R maintains high efficiency even under heavy load conditions.
• Robust Protection Features: Incorporates over-temperature and short-circuit protection to safeguard the device and connected components.
• High PSRR: A power supply rejection ratio (PSRR) of 72dB at 120Hz ensures stable operation in noisy environments.
• RoHS Compliance: The KD1084ADT-R is compliant with RoHS3 standards, making it suitable for environmentally conscious designs.
• Low Quiescent Current: Consumes only 10mA of quiescent current, contributing to low-power consumption in standby modes.

KD1084ADT-R Applications

The KD1084ADT-R is ideal for applications requiring adjustable positive output voltages and high current output. Some specific use cases include:

1. Power Supply Design: For adjustable power supplies in industrial, automotive, and consumer electronics applications.
2. Battery Management Systems: To regulate voltage levels in battery-powered devices, ensuring optimal battery life and performance.
3. Telecommunications Equipment: For voltage regulation in communication systems, ensuring reliable operation under varying load conditions.
4. Automotive Electronics: For voltage regulation in automotive systems, providing stable power to various electronic components.

Conclusion of KD1084ADT-R

The KD1084ADT-R is a versatile linear voltage regulator IC from STMicroelectronics, offering adjustable output voltages, high current output, and robust protection features. Its low voltage dropout, high PSRR, and RoHS compliance make it an excellent choice for a wide range of applications, including power supply design, battery management systems, telecommunications equipment, and automotive electronics. While the KD1084ADT-R is now considered obsolete, its unique features and advantages make it a valuable component for legacy systems and projects where high performance and reliability are paramount.