ISL81806FRTZ-T

DC DC Switching Controllers Overview

The ISL81806FRTZ-T is a synchronous dual buck PWM controller designed for Gallium Nitride (GaN) applications. It operates with an input voltage range of 4.5 V to 80 V and supports switching frequencies from 100 kHz to 2 MHz. The device regulates output voltages between 800 mV and 36 V. It features rise and fall times of 13 ns and 15 ns, respectively. Operating temperatures span from -40 °C to +125 °C. The component is housed in a 32-lead TQFN 5x5 package.

DC DC Switching Controllers Feature Summary

• Optimized driver characteristics specifically engineered for high-speed GaN power devices
• Supports independent dual-channel control or interleaved phase operation for current sharing
• Includes adaptive dead-time control and programmable frequency synchronization

DC DC Switching Controllers Applications

• High-density server and data center power supplies
• Telecommunication infrastructure power systems
• Industrial equipment power management modules

DC DC Switching Controllers Procurement Notes

Verify the specific suffix FRTZ-T corresponds to the required tape and reel quantity of 3000 units. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly. Ensure the ordering part number matches the exact package variant and temperature grade specified in the official Renesas datasheet to avoid functional mismatches.

DC DC Switching Controllers Selection Notes

Select this controller when designing non-isolated buck converters requiring wide input voltage ranges up to 80 V. It is suitable for applications demanding high efficiency through GaN integration and precise phase alignment. Consider its 32-pin footprint constraints and thermal performance capabilities relative to the expected load currents and ambient operating conditions.

DC DC Switching Controllers Part Context

This component belongs to the ISL81806 series of synchronous buck controllers. It shares architectural similarities with other members like the ISL81802 but is distinctively tuned for GaN transistor drivers. The series targets high-frequency power conversion needs in compact form factors common in modern electronics.

DC DC Switching Controllers Replacement Considerations

Direct substitutes include ISL81806 variants with different packaging suffixes. Cross-reference with ISL81802 for similar buck topologies if GaN optimization is not strictly required. Verify pin compatibility and control loop stability before substituting.