The BH28FB1WG is a linear regulator manufactured by Rohm Semiconductor. This is an LDO (Low Dropout) regulator which provides a stable output voltage even when the input voltage is close to the output voltage. This particular regulator outputs 2.8V at 1A and comes in a small package.

Applications

• Smartphones and mobile devices
• Tablets and portable media players
• Wireless communication devices
• Digital cameras and camcorders
• Power management systems for microcontrollers

Features

• Output Voltage: Fixed 2.8V
• Output Current: 1A
• Low Dropout Voltage: Enables operation with minimal input-output voltage difference
• Overcurrent Protection: Prevents damage from excessive current draw
• Thermal Shutdown: Protects the regulator from overheating
• Short-Circuit Protection: Safeguards against short-circuit conditions
• Compact Package: Suitable for space-constrained applications

Benefits

• Stable Power Supply: Delivers a consistent 2.8V output for reliable performance of connected devices.
• High Efficiency: Minimizes power loss and extends battery life in portable applications.
• Robust Protection: Ensures safe operation and prevents damage from electrical faults.
• Compact Design: Allows for easy integration into small form-factor products.
• Simplified Circuitry: Requires minimal external components, reducing overall system cost and complexity.

Additional Details

The BH28FB1WG operates with a low quiescent current, further enhancing efficiency. It is designed to maintain stable output voltage over a wide range of input voltages and operating temperatures. The integrated protection features, including overcurrent, thermal shutdown, and short-circuit protection, make it a robust and reliable solution for various power management applications. The compact package facilitates easy integration into space-sensitive designs, making it ideal for portable electronics.