ISL78301FVEAZ-T

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

The ISL78301FVEAZ-T is a high-voltage, low quiescent current linear voltage regulator IC from Renesas Electronics Corporation. It provides a fixed positive output of 3.3V with a maximum load current of 150mA. The device supports an input voltage up to 40V and features a typical dropout voltage of 0.525V at full load. It is housed in a 14-lead HTSSOP package and is qualified to AEC-Q100 standards for automotive applications. The operating temperature range extends from -40°C to +125°C.

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

• Designed for always-on and keep-alive power supply applications requiring low standby current consumption
• Includes integrated over-temperature shutdown and current limit protection for enhanced system reliability
• Automotive-grade qualification ensures suitability for harsh environmental conditions and long-term durability

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

• Always-on power rails in automotive infotainment systems
• Keep-alive circuits for memory retention in vehicle control modules
• Battery-backed power supplies in automotive electronics

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

Verify the specific suffix 'T' indicates tape and reel packaging when ordering. Confirm that the component meets AEC-Q100 Grade 1 requirements for your target application environment. Ensure the 14-HTSSOP footprint matches your PCB design constraints. Check for any recent lifecycle status updates directly from Renesas to confirm availability and production status before finalizing procurement plans.

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

Select this component when a fixed 3.3V output is required from a higher voltage rail up to 40V. It is suitable for designs prioritizing low quiescent current to minimize battery drain in always-on scenarios. Consider the thermal performance within the 14-HTSSOP package for the expected load current. Verify compatibility with automotive electromagnetic interference standards if used in sensitive vehicle networks.

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

This part belongs to the ISL78301 family of high-voltage LDO regulators. It is manufactured by Renesas Electronics Corporation, formerly Intersil. The device is specifically engineered for automotive markets, offering robust protection features and wide input voltage ranges compared to standard consumer-grade regulators.

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

Check for direct pin-compatible alternatives within the Renesas portfolio that may offer updated packaging or revised electrical specifications. Ensure any substitute maintains AEC-Q100 qualification if automotive compliance is mandatory. Verify that the replacement supports the same 3.3V fixed output and 150mA current capability.