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BD3951F-E2

BD3951F-E2 Description

The BD3951F-E2 is a linear regulator IC designed by ROHM Semiconductor, offering a fixed output voltage of 5V and a maximum output current of 150mA. This single regulator device is optimized for surface-mount applications and is housed in an 8SOP package. It features a maximum input voltage of 20V and a dropout voltage of 0.5V at 100mA, ensuring efficient operation even at lower input-to-output voltage differentials. The BD3951F-E2 includes reset control features and robust protection mechanisms against overcurrent and overtemperature conditions. Despite its "Not For New Designs" status, it remains a reliable choice for existing applications requiring a stable 5V supply. The device is REACH unaffected, RoHS3 compliant, and has a moisture sensitivity level of 1 (unlimited), making it suitable for a wide range of industrial and consumer electronics.

BD3951F-E2 Features

• Output Type: Fixed, providing a stable 5V output voltage.
• Input Voltage Range: Capable of handling up to 20V, making it versatile for various power supply sources.
• Output Current: Delivers a consistent 150mA, suitable for low-to-medium power applications.
• Dropout Voltage: Low dropout voltage of 0.5V at 100mA ensures high efficiency, especially in battery-powered devices.
• Control Features: Integrated reset functionality allows for precise control and system initialization.
• Protection Features: Overcurrent and overtemperature protections safeguard the IC and connected circuits from damage.
• Package: 8SOP in tape & reel (TR) format, ideal for automated surface-mount assembly processes.
• Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (unlimited), suitable for storage and handling in various environments.

BD3951F-E2 Applications

The BD3951F-E2 is well-suited for a variety of applications where a stable 5V supply is required. Its low dropout voltage and robust protection features make it ideal for:

• Consumer Electronics: Portable devices, such as smartphones, tablets, and wearables, where battery efficiency is crucial.
• Industrial Equipment: Control systems and sensors that require a reliable power source.
• Telecommunications: Base stations and network equipment needing stable voltage regulation.
• Automotive: Onboard electronics and infotainment systems that demand high reliability and efficiency.
• Medical Devices: Portable medical equipment and diagnostic tools where precision and stability are paramount.

Conclusion of BD3951F-E2

The BD3951F-E2 from ROHM Semiconductor is a reliable linear regulator IC that offers a fixed 5V output with a maximum current of 150mA. Its low dropout voltage and comprehensive protection features make it a robust solution for a wide range of applications. Although it is not recommended for new designs, it remains a viable option for existing systems requiring a stable and efficient power supply. The device's compliance with environmental and regulatory standards ensures its suitability for global markets. For applications needing a compact, efficient, and reliable power management solution, the BD3951F-E2 is an excellent choice.