Analog Devices Inc./Maxim Integrated MAXM17623EVKIT#

Overview

MAXM17623EVKIT# from Maxim Integrated is a fully assembled and tested evaluation kit designed to validate the MAXM17623 10-pin µSLIC synchronous step-down DC-DC power module operating at 2MHz switching frequency, delivering a fixed 1.5V output at up to 1A load current with 90.3% peak efficiency (VIN = 5V, VOUT = 1.5V, IOUT = 0.4A), and featuring PGOOD monitoring, selectable PWM/PFM mode, and overcurrent/overtemperature protection - used for rapid prototyping of compact, high-efficiency point-of-load supplies in space-constrained industrial and embedded systems.

For engineers reviewing the MAXM17623EVKIT# datasheet, MAXM17623EVKIT# pinout, MAXM17623EVKIT# application, or MAXM17623EVKIT# equivalent, this page delivers verified board-level specifications, jumper-configurable operation modes (J1 enable/disable, J2 PWM/PFM), measured performance curves (efficiency vs. load, transient response, Bode plot), and component-level bill-of-materials traceability - supporting fast validation of input range (2.9V–5.5V), soft-start timing (1ms fixed), and thermal derating behavior across ambient temperatures.

Technical Context

The MAXM17623EVKIT# implements the MAXM17623 power module in a fixed 1.5V output configuration using R1 = 33.2kΩ and R2 = 37.4kΩ feedback divider, with input filtering via 2.2µF ceramic (C3) and optional 47µF tantalum (C2) for hot-plug damping. It supports two operational modes: PFM for light-load efficiency (MODE pin floating) or constant-frequency PWM (MODE pin tied to SGND), selected via jumper J2.

Board-level features include an open-drain PGOOD signal pulled up to VIN, EN control via jumper J1 (positions 1–2 enables, 2–3 disables), test loops on VIN, VOUT, PGND, EN, and PGOOD, and a proven 4-layer PCB layout optimized for low-noise switching and thermal management - validated by startup, shutdown, prebias, short-circuit, and load-transient waveforms under both PWM and PFM conditions.

Key Specifications

Availability

MAXM17623EVKIT# is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical devices, and FPGA/CPU core voltage sequencing requiring stable component supply, rapid design-in validation, and repeatable lab testing of high-frequency DC-DC performance.

Supply support for MAXM17623EVKIT# 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 industrial, automotive, communications, and computing applications - emphasizing integration, reliability, and ease of use.

The MAXM17623 product line delivers fully integrated µSLIC power modules targeting space-constrained, high-efficiency point-of-load regulation where minimal external components and proven thermal performance are critical - especially in battery-powered and thermally dense systems.

FAQ

What is the primary function of the MAXM17623EVKIT#?

The MAXM17623EVKIT# is a ready-to-use evaluation platform that demonstrates the full functionality of the MAXM17623 synchronous step-down power module. It validates key behaviors including 1.5V output regulation, 2MHz switching, PFM/PWM mode selection, PGOOD signaling, and protection features - enabling engineers to verify system compatibility before integrating the MAXM17623 into final designs without custom PCB development.

How do I configure the MAXM17623EVKIT# for PWM versus PFM operation?

Configure PWM or PFM mode using jumper J2: install the shunt on positions 1–2 to force constant-frequency PWM operation across all loads; leave J2 uninstalled to enable automatic PFM mode at light loads (default). This setting directly controls the MODE pin of the MAXM17623, as confirmed in Table 2 of the MAXM17623EVKIT# data sheet - no soldering or firmware required.

Does the MAXM17623EVKIT# support adjustable output voltages?

Yes - while the MAXM17623EVKIT# is factory-configured for 1.5V output, the underlying MAXM17623 supports adjustable outputs from 0.8V to 1.5V via external feedback resistors. To change voltage, replace R1 and R2 with values from Table 1 of the MAXM17623 data sheet; the MAXM17623EVKIT# schematic and bill of materials provide full traceability for such modifications.

What protection features are demonstrated on the MAXM17623EVKIT#?

The MAXM17623EVKIT# demonstrates overcurrent protection (OCP) and overtemperature protection (OTP) inherent to the MAXM17623 module, verified through documented short-circuit and thermal derating tests. Performance reports show safe shutdown during temporary output shorts and stable operation up to 125°C ambient - confirming robustness for industrial environments where reliability under fault conditions is essential.

Can the MAXM17623EVKIT# be used with prebiased outputs?

Yes - the MAXM17623EVKIT# supports startup into prebias conditions, as validated in TOC09 of its data sheet. When enabled with a precharged output (e.g., VPREBIAS = 0.8V), the MAXM17623 avoids reverse current flow and smoothly regulates to 1.5V - critical for systems with multiple power domains or hot-swap requirements where output capacitors may retain residual voltage.