BA178M08T

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

The BA178M08T is a fixed positive linear voltage regulator from the ROHM BA178xx series, providing an 8V output with a maximum continuous current of 1A. It utilizes a TO-220FP through-hole package for robust thermal management and mechanical stability. The device operates within an input voltage range of 10.5V to 23V, ensuring stable regulation under varying supply conditions. Key electrical parameters include a line regulation of 240mV and load regulation of 240mV. It features built-in overcurrent protection and thermal shutdown circuits to safeguard against fault conditions. The component supports a wide operating temperature range from -40°C to +85°C, making it suitable for diverse industrial applications requiring reliable power conversion.

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

• Integrated overcurrent protection and thermal shutdown circuits for enhanced reliability
• Fixed positive output configuration with high ripple rejection characteristics
• Robust TO-220FP through-hole packaging designed for efficient heat dissipation

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

• General purpose power supply circuits requiring stable 8V rails
• Industrial control systems needing reliable voltage regulation
• Embedded electronics with moderate current demands up to 1A

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

Verify the specific suffix 'T' indicates the correct tape-and-reel or bulk packaging format as defined by ROHM standards. Confirm that the 1A output rating aligns with your thermal design constraints, as the TO-220FP package requires adequate heatsinking for sustained operation near maximum current. Ensure the input voltage remains within the 10.5V to 23V window to maintain proper regulation and avoid excessive power dissipation. Cross-reference the RoHS compliance status if environmental regulations are critical for your assembly process.

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

Select the BA178M08T when a fixed 8V output with 1A capacity is required in a through-hole format. This component is appropriate for designs prioritizing thermal performance and ruggedness over compact surface-mount solutions. Consider the 240mV line and load regulation figures for precision requirements. If lower dropout voltage or higher efficiency is needed, evaluate LDO alternatives. The TO-220FP package is ideal for applications where PCB space allows for larger components and direct mounting to external heatsinks.

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

The BA178M08T belongs to the BA178xx series of standard linear regulators manufactured by ROHM Semiconductor. This series is known for its compatibility with traditional 78-series functionality while offering improved internal protection features. The 'M08' designation specifically denotes the 8V fixed output variant. The 'T' suffix typically refers to the specific packaging type, distinguishing it from other variants like the CP or FP packages. This family serves as a fundamental building block for basic DC-DC conversion tasks in analog and digital circuitry.

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

Public confirmed substitute part numbers: BD80FC0WFP-E2.