ISL78301FVECZ-T7A

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

The ISL78301FVECZ-T7A is a high-voltage, low quiescent current linear voltage regulator IC from Renesas Electronics Corporation. It features a single positive adjustable output capable of delivering up to 150 mA. The device operates with an input voltage range from 3 V to 40 V and provides an adjustable output voltage between 2.5 V and 12 V. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 66 dB and a load regulation of 0.3%. The component is housed in a 14-lead HTSSOP package and is designed for applications requiring minimal standby current.

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

• High voltage tolerance suitable for automotive environments
• Ultra-low quiescent current consumption for energy efficiency
• Adjustable output voltage capability within specified limits

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

• Always-on automotive systems
• Keep-alive circuits in vehicles
• Battery-powered automotive modules

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

Verify the complete part number including suffixes such as T7A for tape and reel packaging. Confirm the manufacturer is Renesas Electronics Corporation or its authorized predecessor Intersil. Ensure the datasheet matches the specific revision for the HTSSOP-14 package. Check for moisture sensitivity levels if handling requires strict environmental controls during assembly.

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

Select this component when designing circuits that require a linear regulator capable of handling input voltages up to 40 V while maintaining very low static current draw. It is appropriate for battery-backed memory or microcontroller reset circuits in automotive platforms where power conservation during sleep modes is critical. Ensure the required output voltage falls within the 2.5 V to 12 V adjustable range.

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

This device belongs to the ISL7830x series of high-voltage LDO regulators. These components are engineered specifically for automotive reliability standards. The series emphasizes low power consumption to extend battery life in vehicles equipped with start-stop technology or advanced driver assistance systems that require persistent power states.

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

Consult official Renesas documentation for qualified pin-to-pin replacements. Verify that any substitute component meets the same 40 V input rating and 150 mA output current requirements. Ensure thermal performance and package dimensions are compatible with the existing PCB layout.