ISL78228ARZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL78228ARZ-T is a dual synchronous step-down DC/DC regulator manufactured by Renesas Electronics Corporation. It delivers up to 800mA continuous output current per channel with high efficiency. The device features adjustable positive output voltages ranging from 0.6V to 5.5V. It operates within an ambient temperature range of -40°C to +105°C. The component utilizes a 10-VFDFN package with an exposed pad for thermal management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual channel synchronous buck regulation architecture
• High efficiency power conversion design
• Adjustable output voltage capability

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring dual low-voltage rails
• Embedded systems with multiple logic supply requirements
• Industrial control modules needing efficient DC/DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official Renesas documentation to confirm package type and tape/reel specifications. Ensure compatibility with your PCB footprint, specifically the 10-VFDFN exposed pad configuration. Cross-reference manufacturer datasheets for thermal dissipation requirements and operating temperature limits before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dual independent adjustable outputs are required in a compact form factor. Consider the 800mA per channel limit for load requirements. Evaluate thermal performance needs due to the exposed pad design. Confirm input voltage ranges align with system power sources. Review switching frequency specifications if electromagnetic interference filtering is critical.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL78228 family of dual synchronous buck regulators. It represents a solution for space-constrained applications requiring two regulated outputs from a single IC. The device integrates power switches and control circuitry to minimize external component count. It is designed for applications prioritizing efficiency and board real estate savings.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Renesas cross-reference lists for verified substitutes. Ensure replacement parts match the dual-channel topology and 800mA current rating. Verify pinout compatibility with the 10-VFDFN package. Check that thermal characteristics and operating temperature ranges meet original design specifications.