The L4995KTR is a versatile and efficient voltage regulator from STMicroelectronics designed to provide stable and reliable power supply in a variety of applications. It is a high-performance linear regulator with an integrated voltage reference and a range of features tailored to meet the demands of automotive, industrial, and consumer electronics. The L4995KTR operates as a low-dropout (LDO) regulator, ensuring minimal voltage difference between input and output while delivering high current capability and thermal efficiency. Its robust design and advanced features make it a suitable choice for applications requiring precise voltage regulation and power management.
## Features
- Low Dropout Voltage: The L4995KTR features a low dropout voltage, typically around 400 mV at a 1.5 A load, which allows it to maintain a stable output voltage even when the input voltage is close to the output voltage.
- High Current Capability: It supports a maximum output current of up to 1.5 A, making it suitable for powering high-current devices and systems.
- Precision Voltage Regulation: The regulator provides accurate output voltage with low output voltage error and high load regulation, ensuring stable operation of connected circuits.
- Thermal Protection: Integrated thermal shutdown and thermal foldback features protect the device from overheating and potential damage due to excessive power dissipation.
- Overcurrent Protection: The L4995KTR includes built-in overcurrent protection, which safeguards the regulator and connected components from damage caused by excessive current draw.
- Output Voltage Adjustment: The output voltage can be precisely set using external resistors, allowing for flexibility in adapting the regulator to various voltage requirements.
- Low Quiescent Current: The device operates with low quiescent current, enhancing overall power efficiency and extending battery life in portable applications.
## Specification
- Input Voltage Range: 3.3 V to 40 V
- Output Voltage Range: Adjustable from 1.22 V to 36 V
- Output Current: Up to 1.5 A
- Dropout Voltage: Typically 400 mV at 1.5 A load
- Quiescent Current: Typically 5 µA
- Thermal Shutdown Temperature: Typically 150°C
- Thermal Foldback Temperature: Typically 160°C
- Package Type: TO-220-5
- Operating Temperature Range: -40°C to 125°C
## Applications
- Automotive: Ideal for automotive power supply systems, where stable and reliable voltage regulation is crucial for the operation of electronic control units (ECUs) and other in-vehicle electronics.
- Industrial Equipment: Suitable for use in industrial control systems and automation equipment, where precise voltage regulation and robust protection features ensure reliable operation under demanding conditions.
- Consumer Electronics: Used in consumer electronics such as power supplies for home appliances and battery-powered devices, where efficiency and thermal management are important for overall device performance.
- Communication Systems: Employed in communication equipment requiring stable and low-noise power supplies, such as routers, base stations, and other networking devices.
The L4995KTR voltage regulator is designed to deliver high performance and reliability across a wide range of applications, making it a valuable component in systems where precise voltage regulation and robust protection features are essential.
