BD433M5WFP2-CZE2

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

The BD433M5WFP2-CZE2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 3.3 V output with a maximum continuous current of 0.5 A. The device features a typical quiescent current of 38 µA and supports an input voltage range from 4 V to 42 V. It offers a typical power supply rejection ratio (PSRR) of 60 dB at 1 kHz. The component includes integrated protection mechanisms such as thermal shutdown and over-current protection. It operates within a junction temperature range of -40 °C to 150 °C and is housed in a TO-263-5F surface-mount package.

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

• Integrated thermal shutdown and over-current protection for enhanced reliability
• Low quiescent current consumption suitable for battery-powered applications
• High ripple rejection performance for clean power delivery
• Automotive-grade qualification supporting functional safety analysis

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

• Automotive electronic control units requiring robust voltage regulation
• Infotainment systems needing stable 3.3V logic supplies
• Sensor interfaces demanding low noise power rails
• Industrial equipment operating in high-temperature environments

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

Verify the specific suffix CZE2 against the official ROHM datasheet to confirm pin configuration and packaging details. Ensure compatibility with automotive functional safety requirements if used in safety-critical circuits. Check for RoHS compliance status and REACH SVHC declarations prior to integration. Confirm lead frame material and moisture sensitivity level for proper storage and handling procedures during assembly.

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

Select this regulator when a fixed 3.3V output is required with high input voltage tolerance up to 42V. Consider its 0.5A current capability and low static current for efficiency optimization. Evaluate the TO-263-5F package for thermal dissipation needs in compact designs. Verify that the dropout voltage characteristics meet the minimum input-to-output differential requirements of the target application circuit.

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

This component belongs to ROHM's automotive LDO series designed for high-reliability applications. It complements other variants in the BD4xxM5WFP2 family, offering different output voltages or current ratings. The part is engineered to meet stringent automotive standards, including AEC-Q100 qualification. It serves as a key power management solution for modern vehicle electronics requiring stable, efficient voltage conversion under varying load conditions.

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

BD433M5WFPJ-CZE2: Similar 3.3V/0.5A LDO but in TO-252-J5 package; verify thermal and pin-out compatibility.