BD933N5FP-CE2

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

The BD933N5FP-CE2 is a fixed-output Low Dropout (LDO) regulator from ROHM Semiconductor, featuring the Nano Cap and QuiCur technologies. It provides a stable 3.3 V output with a maximum current of 500 mA. The device supports an input voltage range from 3 V to 42 V and operates within a temperature range of -40°C to +125°C. Key electrical parameters include a typical dropout voltage of 700 mV, a quiescent current of 8 µA, and a ripple rejection ratio of 60 dB. It is housed in a TO-252-3 package and holds AEC-Q100 qualification for automotive reliability.

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

• Nano Cap technology enables stability with extremely small output capacitors in the nanofarad range.
• QuiCur technology provides high-speed load response capabilities.
• Automotive-grade qualification ensures reliability under harsh operating conditions.

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

• Power supply circuits for automotive electronic control units
• Battery-powered systems requiring direct connection to vehicle batteries
• Low-noise regulation for sensitive analog or digital loads

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

Verify the complete part number including the suffix CE2 to ensure correct packaging and automotive grade specifications. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Ensure the ordering quantity matches the reel or cut tape requirements specified in the datasheet. Cross-reference the manufacturing date code to verify component freshness and storage history.

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

Select this component when a fixed 3.3 V rail is required with minimal external capacitance due to Nano Cap integration. It is suitable for applications demanding low quiescent current to preserve battery life in standby modes. The wide input voltage range accommodates direct battery connections without pre-regulation. Verify that the thermal performance of the TO-252-3 package meets the system's power dissipation requirements at the expected ambient temperature.

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

This LDO belongs to ROHM's BD933 series designed specifically for automotive environments. The series integrates proprietary technologies to reduce board space by minimizing passive component counts. It serves as a robust solution for powering microcontrollers and sensors in vehicles where high voltage transients and strict reliability standards are prevalent.

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

Check for pin-compatible alternatives within the same BD933 family if different output voltages are needed. Verify that any substitute maintains the same Nano Cap and QuiCur feature set to preserve circuit stability and transient response characteristics without redesigning the feedback network.