STMicroelectronics

L4978D

L4978D Description

The L4978D is a high-performance, adjustable output DC switching voltage regulator from STMicroelectronics, designed to deliver reliable and efficient power conversion in various electronic systems. With a wide input voltage range of 8V to 55V and an output voltage range of 3.3V to 50V, this regulator is capable of handling diverse power requirements. It features a 2A output current, ensuring sufficient power delivery for demanding applications.

L4978D Features

• Adjustable Output Voltage: The L4978D offers an adjustable output voltage, providing flexibility in power supply design and allowing for customization to suit specific application needs.
• Wide Input Voltage Range: With an input voltage range of 8V to 55V, the L4978D can handle a variety of power sources, making it suitable for both low and high voltage applications.
• 2A Output Current: The L4978D delivers a continuous output current of 2A, ensuring reliable power delivery for high-power applications.
• Buck Topology: Utilizing a buck topology, the L4978D provides efficient power conversion with minimal power loss, resulting in improved system performance and energy efficiency.
• 100kHz to 300kHz Switching Frequency: The L4978D operates at a switching frequency between 100kHz and 300kHz, allowing for compact design and reduced electromagnetic interference.
• Positive Output Configuration: The L4978D features a positive output configuration, making it suitable for applications requiring a positive voltage reference.
• RoHS3 Compliance: The L4978D is compliant with RoHS3 regulations, ensuring environmental responsibility and adherence to global standards.
• REACH Unaffected Status: As a REACH unaffected product, the L4978D meets the strict European Union chemical safety regulations, ensuring safety and compliance in electronic devices.

L4978D Applications

The L4978D is ideal for a wide range of applications, including:

1. Industrial Control Systems: The L4978D's adjustable output voltage and wide input voltage range make it suitable for powering industrial control systems, where power requirements may vary.
2. Telecommunications Equipment: The L4978D's high efficiency and low noise characteristics make it an excellent choice for powering telecommunications equipment, ensuring reliable performance in critical communication systems.
3. Automotive Applications: With its wide input voltage range and ability to handle high currents, the L4978D is well-suited for automotive applications, where power requirements can vary significantly.
4. Portable Electronics: The L4978D's compact size and adjustable output voltage make it ideal for powering portable electronic devices, such as smartphones, tablets, and wearables.

Conclusion of L4978D

The L4978D from STMicroelectronics is a versatile and high-performance DC switching voltage regulator, offering adjustable output voltage, wide input voltage range, and high output current. Its unique features, such as RoHS3 compliance and REACH unaffected status, make it an ideal choice for a wide range of applications in the electronics industry. With its robust performance and compliance with global safety standards, the L4978D is a reliable solution for powering various electronic systems.