ISL78307FBEAZ

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

The ISL78307FBEAZ is a linear low-dropout (LDO) voltage regulator manufactured by Renesas Electronics Corporation. It provides a fixed positive output voltage of 3.3 V with a maximum output current capability of 50 mA. The device supports an input voltage range from 6 V to 40 V and operates within an extended temperature range of -40 °C to +125 °C. Packaged in an 8-SOIC-EP surface-mount format, it features a quiescent current of 18 µA, line regulation of 0.04 %, and load regulation of 0.25 %.

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

• Fixed 3.3 V output voltage configuration
• Automotive-grade reliability for harsh environments
• Low quiescent current consumption

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

• Automotive sensor power supply
• Actuator control circuits
• Body electronics modules

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

Verify the specific suffix 'A' against the official datasheet to confirm the exact output voltage and package variant, as suffixes define critical electrical parameters. Confirm RoHS compliance status through the manufacturer's environmental declaration. Check for End-of-Life (EOL) notices or Production Change Notices (PCN) prior to procurement, as availability may be limited.

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

Select this component when a stable 3.3 V rail is required for automotive applications with input voltages up to 40 V. Ensure the thermal design accommodates the SOIC-8 EP package dissipation requirements. Verify that the 50 mA load current does not exceed the device's continuous rating under worst-case ambient temperatures.

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

This part belongs to the ISL78307 series of always-on LDO regulators designed for automotive use. It complements other variants in the family, such as the 5 V output version (ISL78307FBEBZ), offering different fixed voltage options while maintaining identical pinouts and regulatory performance characteristics for system flexibility.

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

Cross-reference with ISL78307FBEBZ if a 5 V output is acceptable. Verify pin compatibility with other ISL7830x family members before substitution.