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BD3570HFP-TR

BD3570HFP-TR Description

The BD3570HFP-TR is a linear voltage regulator designed by ROHM Semiconductor, offering a fixed output voltage of 3.3V and a maximum output current of 500mA. This regulator is housed in a surface-mount package, specifically a Tape & Reel (TR) format, making it suitable for automated assembly processes. The BD3570HFP-TR is designed to operate with an input voltage range up to 36V, ensuring compatibility with a wide range of power supply sources. It features a low quiescent current of 30 µA and a maximum supply current of 50 µA, making it highly efficient for low-power applications. The regulator also includes an enable control feature, allowing for dynamic power management and improved system efficiency.

BD3570HFP-TR Features

• Fixed Output Voltage: Provides a stable 3.3V output, ideal for powering various electronic components and systems.
• High Input Voltage Range: Capable of handling input voltages up to 36V, offering flexibility in power supply design.
• Low Quiescent Current: With a quiescent current of only 30 µA, this regulator minimizes power consumption, making it suitable for battery-powered and energy applications-sensitive.
• Enable Control: Features an enable pin, allowing for dynamic control of the regulator’s operation, which can help reduce power consumption during idle periods.
• Protection Features: Includes over-current and over-temperature protection, ensuring reliable operation and safeguarding the regulator against potential damage.
• High PSRR: Achieves a power supply rejection ratio (PSRR) of 55dB at 120Hz, effectively filtering out noise from the input power supply and maintaining a clean output voltage.
• Surface-Mount Package: The Tape & Reel (TR) packaging format is ideal for high-volume production and automated assembly processes, enhancing manufacturing efficiency.
• Compliance: The BD3570HFP-TR is REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards for electronic components.

BD3570HFP-TR Applications

The BD3570HFP-TR is well-suited for a variety of applications where a stable 3.3V supply and low power consumption are critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power components in devices such as smartphones, tablets, and IoT devices.
• Industrial Equipment: Suitable for industrial control systems, automation devices, and instrumentation where reliable power regulation is essential.
• Communication Systems: Can be used in networking equipment, routers, and modems to provide stable power to critical components.
• Portable Devices: Given its low quiescent current and high input voltage range, it is perfect for battery-operated devices that require efficient power management.

Conclusion of BD3570HFP-TR

The BD3570HFP-TR from ROHM Semiconductor is a robust and efficient linear voltage regulator designed to meet the demands of modern electronic systems. Its combination of a fixed 3.3V output, high input voltage range, low quiescent current, and enable control feature makes it a versatile solution for a wide range of applications. The inclusion of over-current and over-temperature protection ensures reliable operation, while the high PSRR helps maintain a clean output voltage. The surface-mount package and compliance with environmental regulations further enhance its suitability for various industries. While it is marked as "Not For New Designs," the BD3570HFP-TR remains a reliable choice for existing designs and applications requiring a stable, low-power voltage regulator.