BA178M12CP-E2

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

The BA178M12CP-E2 is a linear voltage regulator from the ROHM Semiconductor BA78M series, providing a fixed 12 V output with a maximum current of 500 mA. It operates within an input voltage range of 14.5 V to 27 V and supports a withstand voltage of up to 35 V. The device features a line regulation of 5 mV and load regulation of 20 mV, with a typical power supply rejection ratio of 63 dB. Designed for through-hole mounting in a TO-220-3 package, it functions reliably across an operating temperature range of -40 °C to +85 °C.

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

• Integrated overcurrent protection and thermal shutdown circuits for enhanced reliability.
• Fixed positive output voltage configuration suitable for standard power management applications.
• High ripple rejection characteristics ensure stable performance under varying conditions.

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

• General-purpose linear power supply regulation
• Embedded system voltage stabilization
• Industrial control circuit power conditioning

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

Verify component authenticity and datasheet alignment before integration. Confirm RoHS compliance status and lead times with authorized distributors. Check for end-of-life notices or obsolescence warnings as availability may be restricted. Ensure proper thermal management design matches the specified power dissipation limits.

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

Select this component when a fixed 12 V output at 500 mA is required in a through-hole format. Compare line and load regulation specs against application tolerance requirements. Evaluate thermal dissipation capabilities relative to the expected ambient temperature and heat sinking options available in the target enclosure design.

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

This part belongs to the BA78M series of three-terminal linear regulators manufactured by ROHM Semiconductor. It shares functional similarities with other industry-standard 78xx series regulators but offers specific performance metrics such as line regulation and ripple rejection defined by the manufacturer. The TO-220-3 package provides robust mechanical stability for industrial environments.

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

Direct substitutes include BA178M12CP and BA78M12CP. Verify pinout compatibility and electrical parameter equivalence before substitution. Ensure thermal resistance and package dimensions match the existing PCB layout constraints.