BH18MA3WHFV-TR

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

The BH18MA3WHFV-TR is a positive fixed-output linear regulator from Rohm Semiconductor, housed in a 6-HVSOF package. It delivers a constant 1.8V output with a maximum current capacity of 300mA. The device operates within an input voltage range up to 5.5V and features a typical quiescent current of 95 µA. It provides a power supply rejection ratio (PSRR) of 60dB at 1kHz. Integrated protections include overcurrent and thermal shutdown. The component supports an operating temperature range from -40°C to +85°C.

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

• Fixed 1.8V output voltage configuration for stable power delivery
• Integrated overcurrent and thermal shutdown protection mechanisms
• Enable control feature for power management flexibility

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

• Powering logic integrated circuits requiring 1.8V rails
• Portable electronic devices utilizing battery sources
• Embedded systems with strict space constraints

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

Verify the specific ordering suffix to ensure correct packaging format. Confirm that the component status aligns with design requirements, as this part may be designated as Not Recommended for New Designs. Check RoHS compliance documentation for environmental standards. Ensure the supplier provides valid traceability data for quality assurance purposes during the acquisition process.

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

Select this regulator when a precise 1.8V rail is required with moderate load capabilities. Evaluate the 6-HVSOF footprint against available board space. Consider the 300mA limit for peak load scenarios. Verify compatibility with ceramic output capacitors if applicable. Compare PSRR performance against noise-sensitive downstream components to ensure signal integrity.

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

This component belongs to the BH18MA3 series of CMOS LDO regulators. It shares the HVSOF-6 package form factor with other variants in the family, such as different voltage outputs. The series focuses on low-power applications requiring small footprints. It serves as a specialized solution for portable electronics where size and efficiency are critical design parameters.

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

The BU18TD2WNVX-TL is listed as a similar substitute by the manufacturer. Verify pinout compatibility and electrical specifications before substitution. Ensure the alternative meets the same thermal and current requirements.