onsemi

KA378R33TU

KA378R33TU Description

The KA378R33TU is a high-performance linear regulator designed for applications requiring a stable 3.3V output voltage with a maximum output current of 3A. Manufactured by onsemi, this regulator is part of the Power Management (PMIC) category and is housed in a Through Hole TO220F-4L package. Despite being marked as obsolete, the KA378R33TU remains a reliable choice for various power management applications due to its robust design and comprehensive protection features.

KA378R33TU Features

• Output Type: Fixed
• Voltage - Input (Max): 35V
• Current - Output: 3A
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 3.3V
• Voltage Dropout (Max): 0.5V @ 3A
• Current - Quiescent (Iq): 10 mA
• Protection Features: Over Current, Over Temperature, Over Voltage, Short Circuit
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Mounting Type: Through Hole
• Package: Tube
• Base Product Number: KA378
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.39.0001

The KA378R33TU offers a low dropout voltage of 0.5V at 3A, which is a significant advantage in applications where input voltage is close to the output voltage. This feature ensures high efficiency and minimal power dissipation, making it suitable for applications with tight power budgets. The regulator also features comprehensive protection mechanisms, including over current, over temperature, over voltage, and short circuit protection, which enhance its reliability and robustness in demanding environments.

KA378R33TU Applications

The KA378R33TU is ideal for a variety of applications that require a stable 3.3V power supply with high current capabilities. Some specific use cases include:

• Industrial Control Systems: Provides a reliable power source for PLCs, sensors, and actuators.
• Telecommunications: Powers base stations, repeaters, and other communication equipment.
• Automotive Electronics: Suitable for in-vehicle electronic systems, such as infotainment and control modules.
• Consumer Electronics: Ideal for high-current devices like gaming consoles, routers, and set-top boxes.

Conclusion of KA378R33TU

The KA378R33TU is a versatile linear regulator that offers a stable 3.3V output with a maximum current of 3A. Its low dropout voltage and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the KA378R33TU remains a valuable component for engineers and designers who require a robust and efficient power management solution.