BD4269FJ-CE2

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

The BD4269FJ-CE2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 5 V output with a maximum continuous current of 200 mA. The device operates within an input voltage range of 6 V to 45 V and features a typical dropout voltage of 250 mV, with a maximum of 500 mV. Quiescent current is specified at 70 uA. Line and load regulation are both rated at 10 mV. It is housed in an SOP-J8 surface-mount package and supports an operating temperature range from -40°C to +125°C.

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

• Integrated power-on reset and under-voltage lock-out circuits for system protection
• High withstand voltage capability up to 45 V for automotive applications
• Low quiescent current design to minimize system power consumption
• Compatible with low ESR ceramic capacitors for stable operation

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

• Automotive electronic control units requiring high voltage tolerance
• Battery-powered systems needing low standby current
• Microprocessor power supply rails with integrated reset monitoring
• Industrial equipment power management modules

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

Verify the specific suffix CE2 against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the SOP-J8 package dimensions align with your PCB footprint. Confirm AEC-Q100 Grade 1 qualification status if deploying in automotive environments. Check for any recent lifecycle notices regarding this specific part number before finalizing procurement plans.

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

Select this component when a fixed 5 V rail is required with high input voltage tolerance up to 45 V. The integrated reset functions simplify circuit design by eliminating external supervisor ICs. Consider the 200 mA output limit and thermal dissipation capabilities in the SOP-J8 package for your specific load conditions. The low quiescent current makes it suitable for efficiency-sensitive applications compared to standard regulators.

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

This LDO regulator belongs to ROHM's high-voltage automotive-grade PMIC family. It combines voltage regulation with essential monitoring functions in a compact eight-pin package. The design targets robust performance in electrically noisy automotive environments while maintaining low power consumption during idle states.

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

The BD4269UEFJ-CE2 offers similar functionality but uses an HTSOP-J8 package and supports 300 mA output. Verify package compatibility and current rating differences before substitution.