ROHM Semiconductor

BD18HA3VEFJ-ME2

BD18HA3VEFJ-ME2 Description

The BD18HA3VEFJ-ME2 is a high-performance, fixed-output linear voltage regulator designed by ROHM Semiconductor. This regulator is specifically engineered to deliver a stable 1.8V output voltage with a maximum output current of 300mA. It is well-suited for automotive applications, where reliability and performance are paramount. The BD18HA3VEFJ-ME2 features a maximum input voltage of 8V, ensuring compatibility with a wide range of power sources. Its low dropout voltage of 1.2V at 300mA allows for efficient operation even under low input-to-output voltage differentials. The regulator is housed in a surface-mount package, making it ideal for compact designs and high-density PCB layouts. With a quiescent current of just 1.2mA, the BD18HA3VEFJ-ME2 offers excellent efficiency and minimal power loss, crucial for battery-powered and energy-sensitive applications. The device also includes essential protection features such as over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in demanding environments.

BD18HA3VEFJ-ME2 Features

• Output Type: Fixed
• Voltage - Input (Max): 8V
• Current - Output: 300mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 1.8V
• Voltage Dropout (Max): 1.2V @ 300mA
• Current - Quiescent (Iq): 1.2 mA
• Grade: Automotive
• Mounting Type: Surface Mount
• Control Features: Enable, Soft Start
• Protection Features: Over Current, Over Temperature, Short Circuit
• Package: Tape & Reel (TR)
• Product Status: Active
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

BD18HA3VEFJ-ME2 Applications

The BD18HA3VEFJ-ME2 is designed to meet the stringent requirements of automotive electronics, where reliability and performance are critical. Its fixed 1.8V output and high current capacity make it ideal for powering microcontrollers, sensors, and other low-voltage electronics in automotive systems. The regulator's low dropout voltage ensures efficient operation, even when the input voltage is close to the output voltage, which is common in automotive environments where the battery voltage can fluctuate. The inclusion of enable and soft start features allows for precise control over the power-up sequence, reducing inrush currents and ensuring a smooth startup. The comprehensive protection features protect the regulator and downstream components from over-current, over-temperature, and short-circuit conditions, enhancing overall system reliability.

Conclusion of BD18HA3VEFJ-ME2

The BD18HA3VEFJ-ME2 from ROHM Semiconductor stands out as a reliable and efficient fixed-output linear voltage regulator tailored for automotive applications. Its combination of a stable 1.8V output, low dropout voltage, and robust protection features make it an ideal choice for powering sensitive electronics in demanding environments. The surface-mount package and compatibility with tape and reel packaging ensure ease of integration into modern PCB designs. With its automotive grade certification, the BD18HA3VEFJ-ME2 offers the reliability and durability required for automotive applications, making it a top choice for engineers designing next-generation automotive electronic systems.