ISL85033IRTZ

Voltage Regulators - DC DC Switching Regulators Overview

The ISL85033IRTZ is a dual standard buck switching regulator IC manufactured by Renesas Electronics Corporation. It features two independent channels, each capable of delivering a continuous output current of 3A. The device accepts an input voltage range from 4.5V to 28V and supports adjustable positive outputs starting from 0.8V. Operating with a switch frequency between 300kHz and 2MHz, it is housed in a 28-WFQFN exposed pad package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-channel architecture providing independent control over two separate power rails
• High continuous output current capability of 3A per channel for demanding loads
• Wide input voltage tolerance supporting broad system power supply variations
• Adjustable output voltage regulation starting from a low minimum threshold

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial equipment requiring dual isolated or non-isolated power domains
• Telecommunications infrastructure powering mixed-signal circuits
• Embedded systems utilizing multiple voltage levels for logic and peripherals
• Automotive electronics needing robust dual-rail DC/DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against official Renesas documentation to confirm pinout compatibility and thermal pad specifications. Ensure the procurement source provides valid traceability for automotive or industrial grade requirements. Cross-reference the datasheet revision date to confirm support for the specific manufacturing lot and packaging details required for your assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dual independent buck converters are required within a single footprint. The wide input range suits applications with varying bus voltages. Consider the thermal performance of the exposed pad package for high-current scenarios. Verify that the external component selection supports the desired switching frequency and output ripple specifications for sensitive downstream circuitry.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL85033 family of dual synchronous buck regulators. It replaces older Intersil designs following the company merger. The device integrates power switches and control logic to minimize external component count. It serves as a compact solution for space-constrained multi-voltage power distribution networks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the ISL85033IRTZ-T for tape-and-reel packaging variants. Check for updated Renesas part numbers if newer revisions offer improved thermal characteristics or enhanced protection features. Ensure functional equivalence regarding pinout and electrical parameters before substitution.