ISL78302ARFBZ-T

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

The ISL78302ARFBZ-T is an automotive-grade dual-output low dropout (LDO) voltage regulator manufactured by Renesas Electronics. It features two independent channels, each capable of delivering up to 300 mA of output current. The device operates with a maximum input voltage of 6.5 V and maintains a typical quiescent current of 47 µA. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 90 dB and a dropout voltage of 230 mV at full load. The unit is housed in a compact 10-lead DFN package and supports fixed output configurations suitable for precision applications.

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

• Dual-channel architecture providing independent regulated outputs within a single integrated circuit
• Automotive qualification compliant with AEC-Q100 standards for high reliability
• High performance noise suppression characterized by elevated PSRR values
• Integrated protection mechanisms including overcurrent limiting and thermal shutdown

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

• Powering sensitive analog circuits in automotive infotainment systems
• Supplying stable voltage rails for automotive sensor interfaces
• Biasing RF modules requiring low-noise power sources in vehicle electronics

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

Verify the specific output voltage configuration associated with the ARFBZ suffix against official datasheets prior to ordering. Confirm that the component meets all required automotive quality standards for your target application. Ensure compatibility with the specified 10-DFN footprint during PCB layout. Check for any recent product change notices regarding manufacturing sites or material composition updates.

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

Select this component when dual isolated supplies are required from a single source in space-constrained automotive designs. Evaluate the 300 mA per channel limit against peak load requirements. Consider the 6.5 V maximum input rating relative to system bus voltages. Assess the thermal performance within the 10-DFN package under expected ambient conditions.

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

This part belongs to the ISL78302A series of low-noise LDO regulators designed specifically for demanding automotive environments. The series emphasizes high PSRR and low quiescent current to preserve signal integrity in noisy vehicle electrical systems. It serves as a critical power management element for downstream logic and analog components.

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

Consult official substitution lists for equivalent dual-output automotive LDOs. Verify pinout compatibility and electrical parameter alignment before replacing existing inventory.