BD00HC0MEFJ-ME2

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The BD00HC0MEFJ-ME2 is a single-output adjustable Low Dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It delivers an output current of 1 A with a positive polarity configuration. The device supports an adjustable output voltage range from 1.5 V to 7 V, utilizing a reference voltage of 800 mV. It operates within an input voltage window defined by minimum and maximum limits suitable for automotive applications. Key electrical parameters include a typical dropout voltage of 600 mV and a maximum of 900 mV. Line regulation and load regulation are both specified at 25 mV. The component features an input bias current of 900 uA and a power dissipation rating of 2.11 W. It is qualified under the AEC-Q100 standard and functions reliably across a temperature range of -40 C to +105 C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Adjustable output voltage capability spanning 1.5 V to 7 V for flexible system design.
• Automotive-grade qualification ensuring reliability in harsh environments.
• Integrated thermal shutdown and over-current protection mechanisms.
• Soft start function to mitigate inrush current during initialization.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive electronic systems requiring regulated power supplies
• On-board navigation and infotainment units
• Telematics control modules
• Sensor interface circuits in vehicle networks

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific ordering suffix and package variant against the official ROHM Semiconductor datasheet before procurement. Confirm that the component status aligns with project requirements, as availability may be restricted for new designs. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Cross-reference the AEC-Q100 qualification status if automotive compliance is mandatory. Validate input and output capacitor specifications to maintain stability under intended operating conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when an adjustable output voltage between 1.5 V and 7 V is required for automotive applications. Consider the 1 A output current capacity and the 600 mV typical dropout voltage for efficiency calculations. Evaluate the thermal performance given the 2.11 W power dissipation limit in the HTSOP-J8 package. Ensure the application environment stays within the -40 C to +105 C operating temperature range. Verify that the soft start feature meets the system's startup timing requirements.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

The BD00HC0MEFJ-ME2 belongs to the BD00HC series of LDO regulators designed specifically for automotive use. It shares the HTSOP-J8 package form factor with other variants in the family, such as fixed-output models like the BD15HC0VEFJ-ME2. Unlike fixed-output counterparts, this model offers adjustable voltage settings via external resistors. It is part of ROHM's portfolio aimed at providing high-accuracy, low-noise power solutions for demanding automotive electronics.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Check for direct pin-compatible alternatives within the same manufacturer's catalog if obsolescence is a concern.