The AZ1085S-2.5E1 is a low dropout positive voltage regulator manufactured by BCD Semiconductor Manufacturing Limited. It's designed to provide a stable and regulated 2.5V output. The 'low dropout' characteristic is crucial as it allows the regulator to maintain a stable output voltage even when the input voltage is only slightly higher than the desired output. This feature makes it particularly useful in battery-powered devices and systems where efficiency is paramount. This part belongs to BCD Semiconductor's linear regulator series and is commonly used across diverse applications needing a consistent voltage supply.

Applications

• Post Regulation for Switching Power Supplies: Stabilizes the output of switching power supplies for sensitive components.
• Battery Chargers: Provides a consistent voltage for charging batteries safely and efficiently.
• Microprocessor Power Supplies: Supplies a stable 2.5V for microprocessors and other digital circuits.
• Motherboard Applications: Used on motherboards to provide regulated power to various components.
• Graphics Cards: Powers components on graphics cards requiring a stable 2.5V supply.

Features

• Low Dropout Voltage: Maintains regulation with minimal input-output voltage difference.
• Fixed 2.5V Output: Provides a precise and stable 2.5V output voltage.
• Overcurrent Protection: Protects the regulator and the load from excessive current.
• Thermal Shutdown Protection: Prevents damage from overheating by shutting down the regulator.
• High Accuracy: Ensures a highly accurate output voltage for reliable operation.

Benefits

• Improved Efficiency: Low dropout voltage reduces power loss, especially in battery-powered systems.
• Stable Power Supply: Provides a consistent 2.5V supply for sensitive electronics.
• Enhanced Reliability: Overcurrent and thermal protection features increase the lifespan of the device and connected components.
• Simplified Design: The fixed output voltage simplifies the design process and reduces the need for external components.

Additional Details

The AZ1085S-2.5E1 typically comes in a surface-mount package for easy integration into modern electronic designs. Its dropout voltage is typically very low at rated current. It is also designed to operate reliably across a wide temperature range. Refer to the datasheet for full specifications including input voltage range, output current capabilities and detailed thermal performance.