BD933M5FP-CE2

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

The BD933M5FP-CE2 is a fixed-output Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 3.3V output with a maximum current capacity of 500mA. The device supports an input voltage range from 3V to 42V and operates within a junction temperature range of -40°C to +150°C. Key electrical specifications include a typical dropout voltage of 680mV, a ripple rejection ratio of 70dB, and a quiescent current of 9.5µA. It features line and load regulation of 0.1% and includes protection mechanisms such as thermal shutdown and over-current protection.

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

• Utilizes QuiCur technology for enhanced power supply response performance in automotive systems.
• Designed for direct battery connection with high withstand voltage capability up to 45V.
• Integrates comprehensive protection circuits including thermal shutdown and over-current protection.

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

• Automotive electronic control units requiring stable 3.3V power rails
• Direct battery-powered automotive infotainment systems
• Body electronics modules in vehicle applications

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

Verify the package type matches your design requirements, as this component is available in HTSOP-J8 packaging. Confirm that the fixed 3.3V output aligns with your system's voltage needs. Ensure the operating temperature range meets your application's environmental conditions. Check for functional safety support documentation if required for automotive compliance. Validate pin compatibility during PCB layout integration.

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

Select this LDO when a fixed 3.3V output is required for automotive applications with direct battery connection. Consider its low quiescent current for efficiency in standby modes. Evaluate the 500mA output current against your peak load requirements. Compare the 70dB ripple rejection against noise-sensitive circuit needs. Assess the HTSOP-J8 package size constraints relative to your board space limitations.

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

This component belongs to ROHM's BD933M5-C series of automotive-grade LDO regulators. The series utilizes QuiCur technology to optimize transient response while maintaining low static current consumption. These devices are specifically engineered for automotive environments, offering robust performance under varying load and temperature conditions. The family supports functional safety analysis for automotive applications.

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

Check for compatible alternatives within the BD933M5-C series with different package options like EFJ variants. Verify equivalent electrical parameters such as output voltage, current rating, and dropout characteristics. Ensure replacement parts maintain the same automotive qualification standards and protection features.