Renesas ISL8002AEVAL1Z

Overview

ISL8002AEVAL1Z from Intersil is an evaluation board for the ISL8002A 2A, 2MHz synchronous buck regulator IC. It implements a complete compact DC/DC converter with internal compensation, 2.7V–5.5V input, 0.6V–VIN adjustable output, and supports PFM/PWM mode selection. Designed for rapid validation of point-of-load power in FPGA, set-top box, and LCD panel applications.

For engineers reviewing the ISL8002AEVAL1Z datasheet, ISL8002AEVAL1Z pinout, ISL8002AEVAL1Z application, or ISL8002AEVAL1Z equivalent, this board enables fast functional verification, efficiency measurement, transient response characterization, and layout validation of the ISL8002A regulator under real load conditions with minimal external components.

Technical Context

The ISL8002AEVAL1Z board implements the ISL8002A IC in its standard 8-pin 2mm×2mm TDFN package with exposed thermal pad. It features fixed 1.8V output (R1=200kΩ, R2=100kΩ), 1.2μH inductor, three 22μF ceramic output capacitors, and integrated input decoupling - all optimized for stable operation at 2MHz switching frequency in PWM or PFM mode.

Board-level design includes dedicated test points for VIN, VOUT, PHASE, COMP, FB, EN, MODE, and PG; jumper-selectable MODE configuration; and thermal vias under the IC's exposed pad to support continuous 2A output current with robust thermal performance up to +125°C junction temperature.

Key Specifications

Availability

ISL8002AEVAL1Z is available at Aetrix Electronics and suitable for FPGA power validation, LCD panel supply testing, and set-top box DC/DC development requiring stable component supply and rapid prototyping capability.

Supply support for ISL8002AEVAL1Z 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 (now part of Renesas Electronics) is a semiconductor company specializing in precision analog, power management, and interface ICs for industrial, computing, and communications markets.

The ISL8002A product line delivers compact, high-efficiency synchronous buck regulators targeting space-constrained, battery-sensitive applications such as portable consumer electronics and embedded systems where low quiescent current and fast transient response are critical.

FAQ

What is the primary function of the ISL8002AEVAL1Z evaluation board?

The ISL8002AEVAL1Z evaluation board is designed to demonstrate and validate the performance of the ISL8002A 2A, 2MHz synchronous buck regulator IC. It provides a fully assembled, tested reference design with fixed 1.8V output, enabling engineers to verify efficiency, transient response, thermal behavior, and mode-switching (PFM/PWM) functionality without custom PCB development.

Does the ISL8002AEVAL1Z support adjustable output voltage?

No - the ISL8002AEVAL1Z is configured for a fixed 1.8V output using a 200kΩ/100kΩ resistor divider per the ISL8002A datasheet Equation 1. To evaluate other output voltages, users must replace R1 and R2 with values calculated for the desired VOUT; the board includes solder pads and footprint compatibility for such modifications.

Can the ISL8002AEVAL1Z operate in both PFM and PWM modes?

Yes - the ISL8002AEVAL1Z includes a MODE jumper that allows hardware selection between PFM (discontinuous conduction) and PWM (continuous conduction) operation, directly controlling the ISL8002A's MODE pin per datasheet specifications. This enables comparative evaluation of light-load efficiency (PFM) versus noise-sensitive system requirements (PWM).

What input voltage range is supported by the ISL8002AEVAL1Z board?

The ISL8002AEVAL1Z supports an input voltage range of 2.7V to 5.5V DC, matching the absolute operating limits of the ISL8002A IC. Input is applied via screw terminal or solder pad, and the board includes a 10μF ceramic input capacitor (plus additional bulk capacitance) to ensure stable operation across this full range.

Is thermal management implemented on the ISL8002AEVAL1Z board?

Yes - the ISL8002AEVAL1Z uses the ISL8002A's 2mm×2mm TDFN package with exposed thermal pad, and the board incorporates multiple thermal vias connecting the pad directly to an internal PGND plane. This design enables reliable 2A continuous operation with measured junction temperatures remaining within specification even at ambient temperatures up to +85°C.