STMicroelectronics

L4993DTR

L4993DTR Description

The L4993DTR is a high-performance linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is specifically tailored for automotive applications. The L4993DTR offers a fixed output voltage of 5V and can deliver up to 150mA of output current. It is designed to operate with an input voltage up to 31V, making it suitable for a wide range of power supply scenarios. The device is RoHS3 compliant and REACH unaffected, ensuring environmental compliance and safety.

L4993DTR Features

• Output Type: Fixed, ensuring a stable and consistent output voltage.
• Voltage - Input (Max): 31V, allowing for flexibility in power supply options.
• Current - Output: 150mA, sufficient for powering a variety of electronic components.
• Number of Regulators: 1, providing a single, dedicated output.
• Output Configuration: Positive, suitable for most common applications.
• Current - Supply (Max): 2 mA, minimizing power consumption.
• Voltage Dropout (Max): 0.4V @ 150mA, ensuring high efficiency.
• PSRR: 55dB (100Hz), providing excellent power supply rejection ratio.
• Control Features: Reset and Watchdog, enhancing system reliability.
• Protection Features: Over Temperature and Short Circuit, safeguarding the device and connected components.

L4993DTR Applications

The L4993DTR is ideal for applications requiring a stable 5V output with low dropout and high efficiency. Some specific use cases include:

• Automotive Electronics: Powering various electronic systems such as infotainment systems, sensors, and control units.
• Industrial Control Systems: Providing a reliable power source for microcontrollers and other control components.
• Portable Devices: Serving as a power supply for handheld devices that require a consistent output voltage.

Conclusion of L4993DTR

The L4993DTR from STMicroelectronics stands out due to its fixed 5V output, high efficiency, and robust protection features. Its automotive-grade design and compliance with environmental regulations make it a preferred choice for demanding applications where reliability and safety are paramount. With its ability to handle a wide input voltage range and deliver a stable output, the L4993DTR is a versatile and reliable solution for a variety of electronic systems.