Renesas ISL80030DEMO1Z

Overview

ISL80030DEMO1Z from Intersil is a 3A, PWM, 1MHz demonstration board designed to evaluate the ISL80030 synchronous step-down DC/DC converter in point-of-load applications with 2.7V–5.5V input and fixed 1.8V output. It features negative current protection, internal soft-start/soft-stop, overcurrent/short-circuit protection, and thermal shutdown.

For engineers reviewing the ISL80030DEMO1Z datasheet, ISL80030DEMO1Z pinout, ISL80030DEMO1Z application, or ISL80030DEMO1Z equivalent, this board enables rapid validation of efficiency (up to 95%), transient response, layout best practices, and protection behavior under real load conditions up to 3A.

Technical Context

The ISL80030DEMO1Z implements a peak current mode controlled buck topology using the ISL80030FRZ IC in an 8-lead 2mm×2mm DFN package. It operates at a fixed 1MHz switching frequency and delivers regulated 1.8V output from 2.7V–5.5V input with up to 3A continuous current.

Board-level design includes optimized power loop routing, thermal pad vias for heat dissipation, noise-sensitive feedback trace isolation, and test points (TP1–TP4) for VIN, PGND, VOUT, and return paths - all aligned with Intersil's recommended PCB layout guidelines for high-efficiency DC/DC evaluation.

Key Specifications

Availability

ISL80030DEMO1Z is available at Aetrix Electronics and suitable for point-of-load power evaluation, DC/DC converter reference design validation, and embedded system power architecture prototyping requiring stable component supply and documented layout implementation.

Supply support for ISL80030DEMO1Z includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Intersil Corporation (now part of Renesas Electronics) is a semiconductor company specializing in precision analog, power management, and interface ICs for industrial, computing, and communications systems.

The ISL80030DEMO1Z belongs to Intersil's demonstration board product line, engineered specifically to accelerate evaluation of their low-quiescent-current synchronous buck regulators in space-constrained, high-efficiency point-of-load applications.

FAQ

What is the primary function of the ISL80030DEMO1Z?

The ISL80030DEMO1Z is a fully assembled demonstration board used to evaluate the electrical performance, thermal behavior, and protection features of the ISL80030 synchronous step-down DC/DC converter. It provides a ready-to-test platform with pre-optimized layout, test points, and fixed 1.8V output - eliminating prototype development time for engineers validating 3A point-of-load designs.

Which IC does the ISL80030DEMO1Z board feature?

The ISL80030DEMO1Z board features the ISL80030FRZ - an 8-lead, 2mm×2mm DFN packaged, 1MHz PWM synchronous buck regulator rated for 3A continuous output. The board's Bill of Materials explicitly lists U1 as "IC-3A, PWM, 1MHz BUCK REGULATOR" with manufacturer Intersil and part number ISL80030FRZ (cross-referenced to ISL80030DEMO1Z).

Can the ISL80030DEMO1Z be used to evaluate other regulators?

Yes - the ISL80030DEMO1Z board is compatible with the ISL80030, ISL80031, ISL80030A, and ISL80031A families per UG047. However, only the ISL80030FRZ (1MHz PWM) is installed on this specific board; evaluating ISL80031 (PFM), ISL80030A (2MHz), or ISL80031A requires swapping the IC and adjusting feedback resistors or configuration components per the schematic.

What are the key test points on the ISL80030DEMO1Z board?

The ISL80030DEMO1Z includes four labeled test points: TP1 (VIN), TP2 (PGND), TP3 (VOUT), and TP4 (PGND return). These enable direct probing of input voltage, ground reference, regulated output, and return path without soldering - supporting safe startup verification, load-step testing, and efficiency measurement per the documented test steps in UG047.

Does the ISL80030DEMO1Z include thermal management features?

Yes - the ISL80030DEMO1Z incorporates thermal management via the exposed thermal pad (EPAD) of the ISL80030FRZ IC, connected to the PCB ground plane with at least four vias as recommended in UG047. This design ensures effective heat dissipation during 3A continuous operation and supports reliable thermal protection activation under overload or elevated ambient conditions.