BD4142HFV-TR

The BD4142HFV-TR is a high-performance voltage regulator manufactured by Rohm Semiconductor, designed for various applications requiring stable and efficient power supply solutions. This component is part of Rohm's extensive lineup of voltage regulators, known for their reliability and efficiency.

Key Features:

1. Output Voltage: The BD4142HFV-TR typically provides a fixed output voltage, which is commonly set at 3.3V or 5V, making it suitable for powering microcontrollers, sensors, and other digital devices.

2. Output Current: It can deliver a maximum output current of up to 1A, allowing it to support a range of applications from low-power devices to more demanding systems.

3. Low Dropout Voltage: The regulator features a low dropout voltage (typically around 200mV at full load), which means it can maintain regulation even when the input voltage is only slightly above the output voltage. This characteristic is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

4. Thermal Protection: The BD4142HFV-TR includes built-in thermal shutdown protection, which prevents the device from overheating and ensures safe operation under various load conditions.

5. Short-Circuit Protection: This regulator is equipped with short-circuit protection, which safeguards the device and the connected load in the event of a fault condition.

6. Compact Package: The device is housed in a compact SOT-23 package, making it suitable for space-constrained applications. Its small footprint allows for easy integration into printed circuit boards (PCBs).

7. Wide Input Voltage Range: The BD4142HFV-TR can operate over a wide input voltage range, typically from 4.5V to 30V, providing flexibility for various power supply designs.

8. Low Quiescent Current: The regulator is designed to have a low quiescent current, which is advantageous for battery-operated devices, as it helps to extend battery life by minimizing power consumption when the device is idle.

9. High Power Supply Rejection Ratio (PSRR): The BD4142HFV-TR exhibits a high PSRR, which means it can effectively filter out noise from the input supply, ensuring a clean and stable output voltage.

Applications:

The BD4142HFV-TR is suitable for a wide range of applications, including:

• Power supply for microcontrollers and digital circuits
• Battery-powered devices
• Automotive electronics
• Industrial control systems
• Consumer electronics

Conclusion:

Overall, the BD4142HFV-TR from Rohm Semiconductor is a versatile and efficient voltage regulator that combines a compact design with robust performance features. Its ability to deliver stable output voltage with low dropout and high PSRR makes it an excellent choice for various electronic applications, particularly where space and power efficiency are critical.