STMicroelectronics

LD1086V18-DG  

Linear & Switching Voltage Regulators

LD1086V18-DG Description

The LD1086V18-DG is a fixed output linear voltage regulator designed by STMicroelectronics, offering a stable 1.8V output voltage with a maximum output current of 1.5A. This regulator is housed in a through-hole TO220 package, making it suitable for a wide range of applications requiring a robust and reliable power supply solution. With a maximum input voltage of 30V, the LD1086V18-DG ensures compatibility with various input sources while maintaining high efficiency and performance.

LD1086V18-DG Features

• Fixed Output Voltage: The LD1086V18-DG provides a stable 1.8V output voltage, ensuring consistent power delivery to connected devices.
• High Output Current: Capable of delivering up to 1.5A of output current, this regulator is ideal for applications requiring significant power.
• Low Dropout Voltage: With a maximum dropout voltage of 1.5V at 1.5A, the LD1086V18-DG maintains high efficiency even under heavy load conditions.
• Over Current and Over Temperature Protection: Integrated protection features safeguard the regulator and connected circuits from damage due to overcurrent and overtemperature conditions.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 82dB at 120Hz ensures minimal noise and ripple on the output voltage, providing clean power to sensitive electronics.
• Low Quiescent Current: A quiescent current of only 10mA minimizes power consumption during idle operation, enhancing overall system efficiency.
• Through-Hole Mounting: The TO220 package type facilitates easy integration into through-hole PCB designs, ensuring mechanical stability and ease of assembly.

LD1086V18-DG Applications

The LD1086V18-DG is well-suited for a variety of applications where a stable and reliable power supply is essential. Some specific use cases include:

• Embedded Systems: Providing a stable power source for microcontrollers, sensors, and other low-voltage components.
• Industrial Equipment: Ensuring reliable power delivery in harsh industrial environments where high efficiency and robustness are critical.
• Consumer Electronics: Ideal for powering devices that require a stable 1.8V supply, such as portable electronics and IoT devices.
• Telecommunications: Suitable for powering communication modules and other low-voltage components in telecom infrastructure.

Conclusion of LD1086V18-DG

The LD1086V18-DG from STMicroelectronics is a versatile and reliable linear voltage regulator, offering a stable 1.8V output with a maximum current of 1.5A. Its low dropout voltage, high PSRR, and integrated protection features make it an excellent choice for applications requiring efficient and stable power delivery. Despite being marked as obsolete, the LD1086V18-DG remains a valuable component for designers seeking a robust and efficient power supply solution in through-hole configurations.

LD1086V18-DG Documents

Download datasheets and manufacturer documentation for LD1086V18-DG

Datasheets :

LD1086      

Design Resources :

Cooling Requirements for Linear Voltage Regulator      

HTML Datasheet :

LD1086