ISL854102FRZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL854102FRZ-T7A is a synchronous buck regulator from the Renesas ISL85410x series. It operates with an input voltage range of 3.5 V to 40 V and provides a fixed 1 A output current. The device integrates high-side and low-side N-channel power MOSFETs, supporting switching frequencies of 300 kHz, 500 kHz, or 1 MHz. It features adjustable output voltages from 0.6 V to 36 V via external resistors. Key electrical parameters include a quiescent current of 50 µA during shutdown and operation. The component is housed in an 8-lead TDFN package with an exposed pad for thermal management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification utilizing internal high-side and low-side N-channel MOSFETs for efficient power conversion.
• Supports multiple selectable switching frequencies to optimize external component size and transient response.
• Includes comprehensive protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems requiring isolated or non-isolated DC/DC conversion
• Point-of-load regulation for microprocessors and FPGAs
• Battery-powered equipment with wide input voltage ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'FRZ' against the official datasheet to confirm the exact switching frequency option and tape-and-reel packaging quantity. Ensure the ordering part number matches the required pin configuration and thermal pad specifications for your PCB layout. Cross-reference the manufacturer's latest revision history to confirm component availability and lifecycle status before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for converting higher bus voltages down to lower logic levels. The integrated MOSFETs reduce the bill of materials compared to discrete designs. Consider the thermal performance of the TDFN package relative to the expected load current and ambient temperature conditions to ensure reliable operation without excessive heatsinking requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL85410x family of synchronous buck regulators designed by Renesas (formerly Intersil). The family targets applications requiring high efficiency and small footprint. The ISL854102 variant specifically offers a 1 A output capability, distinguishing it from lower or higher current counterparts within the same series architecture.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the ISL85410x series that may offer different current ratings or switching frequencies. Verify if newer Renesas PMIC families provide improved efficiency or additional features while maintaining compatible interface requirements.