Analog Devices Inc./Maxim Integrated MAX15103EVKIT#

Overview

MAX15103EVKIT# from Maxim Integrated is an evaluation kit for the MAX15103 3A low-dropout linear regulator, designed to validate power delivery in high-density server, networking, and telecom applications. It supports input voltages from 1.7V to 5.5V, delivers adjustable output down to 0.6V with ±1.6% accuracy, and features soft-start control via SS_BYP, power-good monitoring, and thermal shutdown protection.

For engineers reviewing the MAX15103EVKIT# datasheet, MAX15103EVKIT# pinout, MAX15103EVKIT# application, or MAX15103EVKIT# equivalent, this kit enables rapid characterization of dropout performance (≤200mV at 3A), output noise (15µVRMS), load transient response, and sequencing behavior under real-world PCB thermal and layout constraints.

Technical Context

The MAX15103EVKIT# implements the MAX15103 WLP-15 device in a validated 4-layer PCB layout optimized for thermal management and low-noise operation. It includes 2.2µF input and 22µF output ceramic capacitors, a 100nF soft-start capacitor, and resistor-divider network (R1 = 0–4.6kΩ, R2 = 600Ω) for output voltage adjustment from 0.6V to 5.2V.

It demonstrates critical system-level behaviors: power-good assertion with 100µs delay and ±15mV hysteresis, foldback current limiting (3.7A → 1.8A during short-circuit), and thermal shutdown activation at +160°C with 15°C hysteresis - all verified across –40°C to +85°C ambient.

Key Specifications

Availability

MAX15103EVKIT# is available at Aetrix Electronics and suitable for server power validation, telecom base station LDO qualification, and high-speed datacom board bring-up requiring stable component supply and documented thermal performance.

Supply support for MAX15103EVKIT# 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

Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and power management ICs for demanding industrial, communications, and computing applications.

The MAX15103 product line targets high-current, space-constrained power rails in servers and networking gear, where ultra-small footprint (1.6mm × 2.7mm WLP), low dropout, and low noise are mandatory.

FAQ

What is the primary purpose of the MAX15103EVKIT#?

The MAX15103EVKIT# is a fully assembled evaluation platform for the MAX15103 3A low-dropout linear regulator. It enables engineers to verify key performance parameters-including dropout voltage, load/line regulation, power-good timing, thermal behavior, and soft-start ramp-under real PCB conditions before integrating the MAX15103 into production systems.

Does the MAX15103EVKIT# support adjustable output voltage?

Yes, the MAX15103EVKIT# supports output voltage adjustment from 0.6V to 5.2V using an external resistor divider on the FB pin. The default configuration uses R2 = 600Ω and allows R1 to be varied from 0Ω to 4.6kΩ, enabling precise tuning of the MAX15103 output to match target rail requirements.

What thermal performance can be expected from the MAX15103EVKIT# at full 3A load?

When operated per the MAX15103EVKIT# layout (including thermal vias and copper pour), the MAX15103 achieves ≤1538mW power dissipation at +70°C ambient. Junction temperature remains within safe limits up to +125°C, with thermal shutdown activating only above +160°C - validated across –40°C to +85°C ambient range.

How does the MAX15103EVKIT# implement soft-start and noise reduction?

The MAX15103EVKIT# uses a 100nF capacitor on the SS_BYP pin to provide both soft-start control (≈6.3ms output ramp) and noise filtering. This dual-function node reduces output voltage ripple and suppresses high-frequency noise, delivering 15µVRMS output noise - critical for powering sensitive PLLs and ADCs in the MAX15103 application space.

Can the MAX15103EVKIT# be used to evaluate power sequencing with other regulators?

Yes, the MAX15103EVKIT# includes dedicated EN (active-high enable) and open-drain PG (power-good) signals, allowing it to integrate into multi-rail sequencing schemes. The PG output asserts after a 100µs delay when VOUT reaches regulation (±15mV window), enabling reliable coordination with upstream DC-DC controllers or other LDOs in the MAX15103 system architecture.