LX8585-00CDD

Current - Output:	4.6A
Base Part Number:	LX8585
Supplier Device Package:	TO-263, Power
Package / Case:	TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	83dB (120Hz)
Current - Quiescent (Iq):	10mA
Series:	--
Voltage Dropout (Max):	1.4V @ 4.6A
Voltage - Output (Max):	8.6V
Voltage - Output (Min/Fixed):	1.25V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction to the LX8585-00CDD Radiation-Hardened Voltage Regulator

The LX8585-00CDD is a monolithic integrated circuit voltage regulator designed for use in extreme-environment applications, such as those exposed to strong ionizing radiation fields. It is specifically designed to protect a wide range of systems and applications, including military, automotive, aerospace, industrial, and medical, against the potential damage of radiation.

Application Field and Working Principle

The LX8585-00CDD can be utilized in any system that needs to be protected from radiation, such as aerospace systems, military vehicles or spacecrafts, scientific instruments, medical applications, as well as other systems that are exposed to radiation fields. By utilizing the LX8585-00CDD in such systems, the power supply circuitry of the system can be protected from the effects of radiation, including the failures of other conventional voltage regulators that are susceptible to radiation damage.The LX8585-00CDD functions by employing a linear voltage regulator architecture. This specific architecture has been designed to provide precise, stable and ultra-low noise operation, ensuring a reliable power supply line in environments exposed to high levels of ionizing radiation. The use of a low-dropout voltage regulator is critical, as radiation can cause a voltage drop across the regulator and potentially cause a system failure. As the LX8585-00CDD is designed with high precision, it ensures that the voltage regulation of the power line does not drift outside the necessary range. The linear voltage regulation provides improved efficiency over other regulator topologies, and the device can reliably maintain voltages ranging from 3 V to 14 V.

Features and Benefits

The LX8585-00CDD has a variety of features that make it an ideal choice for a range of applications. Firstly, it features built-in reverse voltage protection, preventing the possibility of incorrect polarised connections and faulty loads from damaging the device. Secondly, the device is radiation hardened, meaning it has been tested and proven to withstand exposure to ionizing radiation up to 400Krad. This ensures accurate and stable control of the power line up to 14V, making it a reliable and versatile option for a range of applications. Furthermore, the device boasts a low noise level of 46μVrms to help protect sensitive circuitry, and provides the user with a range of protection features, such as thermal protection and overtemperature shutdown.

Conclusion

The LX8585-00CDD is a reliable and robust monolithic integrated circuit voltage regulator that is designed to protect systems and applications from the damaging effects of radiation. Employing a linear voltage regulator architecture, the device is capable of maintaining precise and stable voltage regulation even in high radiation fields. It provides a variety of features, such as reverse voltage protection, low noise levels, thermal protection and overtemperature shutdown, proving why the LX8585-00CDD is an ideal choice for a wide range of radiation-hardened applications.

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