BA78M12CP-E2

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

The BA78M12CP-E2 is a linear voltage regulator from the ROHM BA78M series, housed in a TO-220-3 through-hole package. It provides a fixed positive output of 12 V with a maximum output current of 500 mA. The device operates within an input voltage range of 14.5 V to 27 V and supports a power dissipation of 22 W. Electrical specifications include a line regulation of 5 mV, load regulation of 20 mV, and a typical PSRR of 63 dB at 120 Hz. The circuit draws a maximum supply current of 800 µA and 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
• High ripple rejection characteristics for stable power delivery
• Fixed positive output configuration suitable for standard logic and analog circuits

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

• General-purpose power supply regulation
• Embedded system voltage stabilization
• Industrial control equipment power management

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

Verify component authenticity and datasheet alignment before integration. Confirm that the TO-220-3 package matches your PCB footprint and thermal design requirements. Check RoHS compliance status if environmental regulations apply to your manufacturing process. Ensure input voltage constraints are strictly observed to prevent device damage or performance degradation during operation.

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

Select this component when a fixed 12 V output is required with moderate current demands up to 500 mA. The TO-220-3 package offers robust thermal performance for through-hole mounting. Consider the 14.5 V minimum input requirement to ensure proper regulation. Evaluate thermal dissipation needs based on the 22 W power rating and ambient operating conditions.

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

This part belongs to the BA78M series of linear regulators manufactured by ROHM Semiconductor. The series includes various output voltages and packages, such as the surface-mount BA78M12FP-E2. The BA78M12CP-E2 specifically targets applications requiring reliable through-hole regulation with built-in protection features. It serves as a standard solution for converting higher input voltages to a stable 12 V rail.

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

The BA78M12FP-E2 is a surface-mount alternative in the same series. Verify pin compatibility and thermal characteristics when substituting packages. No other direct cross-model substitutes are confirmed in the provided documentation.