BA50BC0FP-E2 Integrated Circuits (ICs)

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BA50BC0FP-E2 application field and working principle

BA50BC0FP-E2 is a linear voltage regulator manufactured by Rohm Semiconductor. It is designed for applications requiring a low drop voltage regulator, including microcontrollers and system applications in consumer electronics. The device can provide up to 2A of output current and adjustable output voltage from 5.1V to 39V. It also includes a shutdown pin that can be used to control the output current.

Features:

• 45V Maximum Input Voltage
• 2A Maximum Output Current
• 5.1V to 39V Adjustable Output Voltage Range
• Supports High Efficiency Mode Operation
• Built-in Thermal Protection Circuit
• Shutdown Pin for Output Current Control
• Wide Operating Temperature Range (-40°C to +105°C)

Typical Applications:

• Personal Electronics
• Computers
• Cellphones
• Digital Cameras
• Microcontrollers
• System Applications

Working Principle

The core of the BA50BC0FP-E2 is a voltage reference circuit, which strives to constantly set the output voltage of the device to a predetermined level. This is done by controlling the current flow between the output and the ground. During the 20μs reset time, current flows to charge the output capacitor until it reaches the predetermined voltage level. Once the voltage is reached, the current is blocked, and the device enters a low power state.

The device can be enabled or disabled by an active-low current-limit control. When enabled, the current limit sets the maximum output current before the regulator enters protection state. When disabled, output current is blocked, consuming only the leakage current. In addition, the device also integrates a thermal protection circuit that detects the device temperature and shuts down the output at (TJ) 80°C.

Conclusion

The BA50BC0FP-E2 linear voltage regulator is a great choice for applications that require a low drop voltage regulator and adjustable output voltage. With its wide input voltage range and adjustable output voltage, the BA50BC0FP-E2 is suitable for many different applications. Additionally, it provides thermal and current protection, making it a safe and reliable solution for system applications in consumer electronics.

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