STMicroelectronics

L7985A  

DC Switching Voltage Regulators

L7985A Description

The L7985A is a high-performance, adjustable output, DC switching voltage regulator manufactured by STMicroelectronics. This Buck regulator is designed for applications requiring a wide input voltage range and a high output current. With a maximum input voltage of 38V and an output current of up to 2A, the L7985A is well-suited for various power management applications.

L7985A Features

• Adjustable Output Voltage: The L7985A offers an adjustable output voltage range from 0.6V to 38V, providing flexibility in designing power management systems.
• Wide Input Voltage Range: With a minimum input voltage of 4.5V and a maximum of 38V, the L7985A can handle a wide range of input voltages, making it suitable for various applications.
• High Frequency Switching: The L7985A operates at a switching frequency between 250kHz and 1MHz, allowing for smaller external components and improved efficiency.
• Positive Output Configuration: The positive output configuration of the L7985A simplifies the design of power management systems, especially in applications where a positive output voltage is required.
• RoHS Compliance: The L7985A is compliant with the RoHS3 directive, ensuring environmental compliance and suitability for use in electronic devices.
• REACH Unaffected Status: The L7985A is classified as REACH unaffected, indicating that it does not contain any substances of very high concern (SVHCs) regulated by the European Chemicals Agency.

L7985A Applications

The L7985A is ideal for a variety of applications where efficient power management is crucial. Some specific use cases include:

1. Battery Charging Systems: The adjustable output voltage and high output current make the L7985A suitable for battery charging applications, such as charging Li-ion or NiMH batteries.
2. Power Supplies for Consumer Electronics: The L7985A can be used in power supplies for devices like smartphones, tablets, and laptops, providing efficient voltage regulation.
3. Industrial Control Systems: The wide input voltage range and high output current of the L7985A make it suitable for power management in industrial control systems, where reliable power regulation is essential.

Conclusion of L7985A

The L7985A from STMicroelectronics is a versatile and efficient DC switching voltage regulator, offering adjustable output voltage, a wide input voltage range, and high output current. Its unique features, such as RoHS compliance and REACH unaffected status, make it an ideal choice for a variety of power management applications in consumer electronics, battery charging systems, and industrial control systems. With its high performance and compliance with environmental regulations, the L7985A stands out as a reliable solution for demanding power management needs.

L7985A Documents

Download datasheets and manufacturer documentation for L7985A

PCN :

Product Change Notification (PDF)       L7985x, L7986x : metal mask change (PDF)