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ISL78214ARZ is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC REG BUCK ADJ 4A 16QFN. Review the specifications below when checking this part for your BOM.
The ISL78214ARZ is a synchronous buck regulator IC manufactured by Renesas Electronics Corporation. It provides a single positive adjustable output voltage ranging from 0.8V to 5.5V, delivering up to 4A of load current. The device operates with an input voltage range of 2.8V to 5.5V and supports a switching frequency of 1MHz. It is housed in a 16-VQFN package with an exposed pad, designed for surface mount installation. The component functions within a temperature range of -40°C to +85°C.
Verify the specific suffix 'ARZ' against the manufacturer's official datasheet to confirm pinout, thermal characteristics, and RoHS compliance status. Ensure the ordering information matches the exact package type and marking requirements specified in the latest product documentation before finalizing procurement.
Select this component when a compact, high-efficiency step-down solution is required for low-voltage applications. Consider the 16-VQFN package constraints and the need for external compensation components if operating at frequencies other than the standard configuration. Evaluate thermal performance based on the PCB layout and ambient conditions.
This part belongs to the ISL78214 family of low quiescent current buck regulators. It is designed to replace older generation power management ICs in space-constrained designs. The device integrates high-side and low-side MOSFETs to minimize external component count while maintaining robust performance under varying load conditions.
ISL8014AIRZ is documented as a parameter-equivalent substitute.
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