BA17812FP-E2

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

The BA17812FP-E2 is a fixed positive linear voltage regulator from the ROHM Semiconductor BA178 series. It provides a stable 12 V output with a maximum current capacity of 1 A. The device operates within an input voltage range of 14.5 V to 27 V and supports a maximum power dissipation of 10 W. It features a line regulation of 15 mV and load regulation of 37 mV, with a typical power supply rejection ratio (PSRR) of 63 dB at 120 Hz. The component is housed in a TO-252-3 surface-mount package 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.
• Fixed positive output configuration ensuring consistent voltage regulation.
• Surface-mount TO-252-3 package design suitable for automated assembly.

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

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

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

Verify component authenticity through authorized distributors or direct manufacturer channels due to potential counterfeit risks. Confirm RoHS compliance status and specific lot traceability requirements before procurement. Ensure storage conditions adhere to moisture sensitivity levels specified in the datasheet to maintain device integrity during handling and soldering processes.

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

Select this regulator when a fixed 12 V output at 1 A is required in a compact surface-mount form factor. Consider the 10 W power dissipation limit and ensure adequate thermal management via PCB copper area or heatsinking. Verify that the input voltage remains within the 14.5 V to 27 V range to maintain proper dropout performance and regulation stability under all expected load conditions.

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

This component belongs to the BA178 series of standard linear regulators, which are designed as replacements for traditional through-hole 78xx series devices. The FP suffix indicates a surface-mount TO-252-3 package, offering space-saving advantages for modern printed circuit board designs while maintaining similar electrical characteristics to their legacy counterparts.

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

BA7812FP-E2 is documented as a related alternative within the same manufacturer portfolio. Verify pinout compatibility and thermal performance equivalence before substitution. Ensure that any replacement part meets the same regulatory and environmental specifications required by the original design.