STMicroelectronics

LD1085CDT-R

LD1085CDT-R Description

The LD1085CDT-R is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This regulator is part of the Power Management Integrated Circuits (PMIC) category and offers an adjustable output voltage, making it highly versatile for various applications. The LD1085CDT-R is housed in a DPAK package, which is suitable for surface-mount applications, ensuring robustness and reliability in electronic designs.

LD1085CDT-R Features

• Adjustable Output Voltage: The LD1085CDT-R provides an adjustable output voltage ranging from 1.25V to 28.5V, making it suitable for a wide range of electronic devices that require precise voltage regulation.
• High Current Capability: With a maximum output current of 3A, this regulator can efficiently power demanding applications, ensuring stable performance even under heavy load conditions.
• Low Dropout Voltage: The maximum dropout voltage of 1.5V at 3A ensures high efficiency, especially in applications where the input voltage is close to the desired output voltage.
• High PSRR: The regulator boasts a Power Supply Rejection Ratio (PSRR) of 75dB at 120Hz, which significantly reduces noise and ripple in the output voltage, ensuring clean power supply to sensitive circuits.
• Protection Features: The LD1085CDT-R includes over-current and over-temperature protection features, safeguarding both the regulator and the connected circuits from potential damage.
• Low Quiescent Current: The regulator operates with a low quiescent current of 10 mA, which is crucial for minimizing power consumption in standby or low-power modes.
• Compliance and Reliability: The LD1085CDT-R is REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards. Additionally, it has a Moisture Sensitivity Level (MSL) of 1, making it suitable for unlimited storage and handling conditions.

LD1085CDT-R Applications

The LD1085CDT-R is ideal for a variety of applications due to its adjustable output voltage, high current capability, and robust protection features. Some specific use cases include:

• Power Supply Units: The regulator can be used in power supply units for computers, servers, and other electronic devices that require stable and adjustable voltage outputs.
• Industrial Equipment: In industrial settings, the LD1085CDT-R can power control systems, sensors, and actuators that demand high reliability and precise voltage regulation.
• Consumer Electronics: The regulator is suitable for consumer electronics such as televisions, gaming consoles, and home appliances that require efficient power management.
• Automotive Electronics: The LD1085CDT-R can be used in automotive applications where high current and reliable voltage regulation are essential, such as in infotainment systems and electronic control units.

Conclusion of LD1085CDT-R

The LD1085CDT-R from STMicroelectronics is a versatile and high-performance linear voltage regulator that offers adjustable output voltage, high current capability, and robust protection features. Its low dropout voltage and high PSRR make it ideal for applications requiring efficient and clean power supply. Despite being marked as obsolete, the LD1085CDT-R remains a reliable choice for designers seeking a proven solution for their power management needs.