ISL78322ARZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL78322ARZ-T is a dual-channel synchronous buck DC-DC converter manufactured by Renesas Electronics Corporation. It operates within an input voltage range of 2.8V to 5.5V and provides two adjustable output voltages between 0.6V and 5.5V. The device delivers maximum output currents of 2A on the first channel and 1.7A on the second channel. It utilizes a fixed switching frequency of 2.25MHz and features synchronous rectification for improved efficiency. The component is qualified to AEC-Q100 standards for automotive applications and supports operation in temperatures ranging from -40°C to 105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-channel synchronous buck topology with independent adjustable outputs
• Automotive-grade qualification compliant with AEC-Q100 standards
• Integrated synchronous rectifiers for enhanced power conversion efficiency

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems requiring multi-rail power distribution
• Vehicle control units needing compact dual-output regulation
• ADAS sensor modules utilizing low-voltage high-current supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and tape-and-reel specifications. Ensure the ordering code matches the required automotive grade and temperature rating. Cross-reference the manufacturer's latest documentation to validate availability status and lead times before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring two isolated or coupled low-voltage rails from a single input source. Consider the 2.25MHz switching frequency for balancing component size and EMI performance. Verify that the load requirements do not exceed the 2A and 1.7A limits per channel while maintaining thermal constraints within the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL783xx series of synchronous buck regulators designed for automotive and industrial environments. It integrates high-side and low-side MOSFETs into a single package, reducing external component count compared to asynchronous designs. The series targets applications demanding high reliability and space-constrained form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for pin-compatible alternatives within the same family. Verify electrical parameters such as current ratings and switching frequencies match system requirements before replacing.