BA12FP-E2

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

The BA12FP-E2 is a linear voltage regulator IC from ROHM Semiconductor, providing a fixed positive output of 12 V with a maximum output current of 1 A. It operates within an input voltage range of 15 V to 27 V and features a dropout voltage of 0.3 V at full load. The device is housed in a TO-252-3 surface-mount package and supports operation temperatures from -40 °C to +85 °C. Key electrical specifications include a line regulation of 15 mV, load regulation of 37 mV, and a typical power supply rejection ratio (PSRR) of 78 dB. Maximum power dissipation is rated at 10 W.

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

• Integrated over-current protection circuit to prevent damage during output short circuits
• Built-in thermal shutdown mechanism to protect the IC from overheating under overload conditions
• Fixed positive output voltage design for stable power supply applications

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

• Local power supply circuits for consumer electronics
• Power management for automotive audio systems
• Voltage regulation for hard disk drives (HDD)
• Power supply units for personal computers (PC)

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific packaging options such as reel or cut tape availability. Ensure the supplier provides valid traceability documentation. Check for any regional sales restrictions or discontinuation notices prior to procurement planning.

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

Select this component when a fixed 12 V output is required with up to 1 A current capability. The TO-252-3 package suits surface-mount designs needing moderate heat dissipation. Verify that the input voltage remains within the 15 V to 27 V range to ensure proper regulation and minimize dropout effects. Consider thermal management requirements given the 10 W power dissipation rating.

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

This part belongs to the BA78 series of standard linear voltage regulators manufactured by ROHM Semiconductor. It is designed for general-purpose power management tasks requiring reliable fixed voltage outputs. The series is known for integrating protection features like over-current and thermal shutdown to enhance system reliability in various electronic devices.

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

BA7812FP-E2: Direct functional substitute with identical 12 V output and 1 A current rating in the same TO-252-3 package.