ROHM Semiconductor

BD3932FP-E2

BD3932FP-E2 Description

The BD3932FP-E2 is a linear regulator IC designed by Rohm Semiconductor, offering a fixed output voltage of 8V and a maximum output current of 500mA. This device is housed in a TO252 package, making it suitable for surface mount applications. With a maximum input voltage of 25V and a dropout voltage of 1.5V at 200mA, the BD3932FP-E2 ensures efficient power regulation even under varying load conditions. It features a quiescent current of 30 µA and a supply current of up to 40 µA, contributing to its low-power operation. The regulator also boasts a power supply rejection ratio (PSRR) of 55dB at 120Hz, ensuring minimal noise and ripple in the output voltage.

BD3932FP-E2 Features

• Fixed Output Voltage: Provides a stable 8V output, ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of 1.5V at 200mA, the BD3932FP-E2 maintains high efficiency even at lower input voltages.
• Low Quiescent Current: At 30 µA, the quiescent current is minimal, making this regulator suitable for battery-powered and low-power applications.
• Comprehensive Protection: Features over-current, over-temperature, over-voltage, and reverse polarity protection, ensuring robustness and reliability.
• Surface Mount Compatibility: The TO252 package is designed for surface mount technology, facilitating easy integration into modern PCB designs.
• Regulatory Compliance: The BD3932FP-E2 is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• High PSRR: With a PSRR of 55dB at 120Hz, this regulator effectively filters out noise from the input power supply, ensuring clean output voltage.

BD3932FP-E2 Applications

The BD3932FP-E2 is well-suited for a variety of applications where a stable, low-noise power supply is required. Its fixed 8V output and 500mA current capability make it ideal for:

• Consumer Electronics: Powering small devices and peripherals that require a stable 8V supply.
• Industrial Equipment: Providing reliable power to sensors, actuators, and control circuits.
• Telecommunications: Supplying power to low-voltage components in communication systems.
• Automotive Electronics: Used in vehicle subsystems where a fixed voltage and low quiescent current are critical.
• Battery-Powered Devices: Ideal for applications where minimizing power consumption is essential.

Conclusion of BD3932FP-E2

The BD3932FP-E2 from Rohm Semiconductor is a versatile linear regulator designed to meet the demands of modern electronics. Its fixed 8V output, low dropout voltage, and comprehensive protection features make it a reliable choice for a wide range of applications. While it is marked as "Not For New Designs," its existing applications continue to benefit from its robust performance and regulatory compliance. For engineers and designers seeking a stable, low-power regulator, the BD3932FP-E2 remains a valuable component in their toolkit.