BA033FP-E2

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

The BA033FP-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 3.3 V output with a maximum current capability of 1 A. The device operates within an input voltage range of 4 V to 25 V and features a typical dropout voltage of 0.3 V at 500 mA load. Key electrical parameters include a ripple rejection ratio of 55 dB, line regulation of 20 mV, and load regulation of 50 mV. The unit dissipates up to 1.2 W of power and maintains an output accuracy of ±2.0% at 25°C. It incorporates thermal shutdown and over-current protection circuits for enhanced reliability.

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

• Integrated thermal shutdown and over-current protection circuits ensure operational safety under fault conditions.
• Low dropout voltage characteristic allows efficient operation with minimal input-to-output voltage difference.
• High ripple rejection capability effectively suppresses power supply noise for clean output regulation.

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

• Portable battery-powered electronic devices requiring stable 3.3 V logic levels
• Embedded systems and microcontroller power supply stages
• General-purpose linear voltage regulation in industrial control modules

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

Verify the specific suffix configuration against the official datasheet to confirm pinout compatibility and package type. Ensure that the selected variant matches the required thermal management specifications for the intended application environment. Cross-reference the manufacturing status to confirm availability for new designs, as some variants may be designated for limited-time use or end-of-life.

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

Select this component when a fixed 3.3 V output with 1 A capacity is required in a surface-mount TO-252-3 package. Consider the 1.2 W power dissipation limit and thermal resistance characteristics for heat sinking requirements. Evaluate the input voltage range constraints relative to the source supply and account for the dropout voltage margin at maximum load currents to ensure stable regulation.

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

This part belongs to the BAxxCC0FP series of fixed-output LDO regulators from ROHM. It shares architectural similarities with other members of the family, such as the BA033CC0T, but differs in package form factor and mounting style. The FP suffix indicates a surface-mount DPAK-3 (TO-252-3) configuration, distinguishing it from through-hole alternatives within the same voltage and current rating spectrum.

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

The BA033CC0FP serves as a direct functional equivalent with identical electrical specifications but may differ in packaging details. Verify pin compatibility and thermal performance before substitution. Other ROHM LDOs in the BA series offer similar capabilities but require validation of output voltage and current ratings.