BD33IC0MEFJ-LBH2

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

The BD33IC0MEFJ-LBH2 is a linear voltage regulator IC from ROHM Semiconductor, providing a fixed positive output of 3.3V at up to 1A current. It utilizes an 8-pin HTSOP-J package for surface mount installation. The device features low dropout characteristics and includes protection circuits such as thermal shutdown and overcurrent protection. It operates within a temperature range of -40°C to +105°C and supports a soft start function to limit inrush current during startup.

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

• Integrated thermal shutdown and overcurrent protection circuits prevent damage under fault conditions.
• Soft start functionality controls the rate of output voltage rise to minimize startup stress.
• Fixed 3.3V output with high accuracy suitable for stable digital logic power supplies.

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

• Power supply for automotive electronic control units
• Industrial equipment voltage regulation
• Digital appliance power management

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

Verify the specific suffix LBH2 against official ROHM documentation to confirm packaging and handling specifications. Ensure compatibility with existing PCB footprints for the HTSOP-J8 package. Confirm that the component meets all required environmental and functional safety standards for the intended application before finalizing procurement orders.

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

Select this regulator when a fixed 3.3V output with 1A capacity is required in a compact surface-mount package. Consider its automotive qualification if used in vehicle applications. Evaluate thermal performance based on expected load currents and ambient temperatures to ensure reliable operation within the specified junction temperature limits.

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

This component belongs to the BD33IC0 series of LDO regulators designed by ROHM Semiconductor. It shares architectural similarities with other models in the family but is distinguished by its specific output voltage and package configuration. The series is engineered for robust performance in demanding environments, offering reliable voltage regulation for sensitive electronic circuits.

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

Direct substitutes may include other ROHM LDOs with identical pinouts and electrical characteristics, such as the BD33IC0MEFJ-ME2 or BD33HC0MEFJ-ME2, provided they meet the same voltage and current requirements. Always verify pin compatibility and thermal dissipation capabilities before substitution.

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

Does the BD33IC0MEFJ-LBH2 include overvoltage protection?

No, the datasheet indicates that overvoltage protection is not included in this specific model's protection circuitry.

What is the typical dropout voltage at full load?

The typical dropout voltage is 0.4V when the output current is 1A.