Analog Devices Inc./Maxim Integrated MAXM15463EVKIT#

Overview

MAXM15463EVKIT# from Maxim Integrated is an evaluation kit designed to validate the MAXM15463 high-voltage synchronous step-down DC-DC power module delivering a fixed 3.3V output at up to 300mA, operating across 4.5V–42V input, with 500kHz switching frequency and integrated PFM/PWM mode selection. It supports EN/UVLO programming, provides open-drain RESET, and complies with CISPR22 Class B conducted/radiated emissions.

For engineers reviewing the MAXM15463EVKIT# datasheet, MAXM15463EVKIT# pinout, MAXM15463EVKIT# application, or MAXM15463EVKIT# equivalent, this page delivers verified board-level specifications, test-ready configuration details, EMI filter component values, jumper-based mode/UVLO control, and performance validation data including efficiency vs. load, output ripple, transient response, and Bode plot stability margins.

Technical Context

The MAXM15463EVKIT# implements the MAXM15463 micro-SLIC power module in a fully assembled, production-tested layout optimized for low-noise operation and EMI compliance. It integrates programmable UVLO via resistor divider (R1 = 2.2MΩ, R2 = 634kΩ), selectable PWM/PEM mode via J2 jumper, and RESET monitoring with internal pullup to VCC.

Board-level design includes input filtering (C3 = 1µF/50V ceramic + optional EMI filter L1/C7/C8/C9), output capacitance (C5 = 10µF/6.3V X7R), hot-plug damping (C2 = 4.7µF/50V electrolytic), and internal LDO bypassing (C4 = 1µF/16V). All components are surface-mount, with proven PCB stack-up including dedicated ground and power layers.

Key Specifications

Availability

MAXM15463EVKIT# is available at Aetrix Electronics and suitable for industrial power validation, embedded DC-DC qualification, and EMI-compliant buck converter prototyping requiring stable component supply, pre-validated layout, and production-grade test readiness.

Supply support for MAXM15463EVKIT# 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 highly integrated analog and mixed-signal ICs for power, sensing, communications, and security applications, emphasizing miniaturization, reliability, and system-level optimization.

The MAXM15463 product line delivers fully integrated, shielded DC-DC power modules targeting space-constrained industrial, medical, and test equipment where high input voltage tolerance, low EMI, and rapid design-in are critical.

FAQ

What is the primary function of the MAXM15463EVKIT#?

The MAXM15463EVKIT# is a fully assembled evaluation kit that demonstrates and validates the performance of the MAXM15463 3.3V fixed-output, high-voltage synchronous step-down power module. It enables engineers to verify startup behavior, efficiency, transient response, output ripple, EMI compliance, and mode-select functionality without custom PCB development. The MAXM15463EVKIT# includes all necessary passive components, jumpers for configuration, and a proven layout aligned with the MAXM15463 data sheet requirements.

How do I configure undervoltage lockout on the MAXM15463EVKIT#?

Undervoltage lockout (UVLO) on the MAXM15463EVKIT# is configured using jumper J1 and the onboard resistor divider (R1 = 2.2MΩ, R2 = 634kΩ). With J1 open (default), the MAXM15463 enables at VIN ≥ 5.4V. Installing a jumper across pins 2–3 disables the module. Pin 1–2 connects EN/UVLO to VIN for standard enable behavior. These settings are documented in Table 1 of the MAXM15463EVKIT# data sheet and directly control the MAXM15463's EN/UVLO pin as implemented on the board.

Can the MAXM15463EVKIT# operate in both PWM and PFM modes?

Yes, the MAXM15463EVKIT# supports both PWM and PFM operation via jumper J2. Leaving J2 uninstalled configures the MAXM15463 for PFM mode at light loads, improving efficiency below ~50mA. Installing a jumper across pins 1–2 forces constant-frequency PWM mode across all load conditions. This selection directly controls the MODE pin of the MAXM15463 device on the board and is validated in the EV kit's efficiency vs. load plots for both modes.

What EMI filtering components are included on the MAXM15463EVKIT#?

The MAXM15463EVKIT# includes optional EMI filter components: L1 (82µH shielded inductor), C7 (0.1µF), C8 (0.47µF), and C9 (1µF), all rated for 50V and placed per Figure 1 of the data sheet. When installed, this filter reduces conducted emissions to meet CISPR22 Class B limits. The board also features layout optimizations-including ground plane integrity, minimized high-di/dt loop area, and strategic capacitor placement-that collectively ensure radiated emissions remain below Class B thresholds without additional shielding.

Does the MAXM15463EVKIT# provide a reset signal, and how is it used?

Yes, the MAXM15463EVKIT# provides an open-drain RESET signal sourced from the MAXM15463's internal monitor circuit. The RESET pad includes a pullup resistor to VCC, producing an active-low signal asserted when VOUT falls outside regulation (±7.5% of 3.3V). This signal can be monitored with a DMM or logic analyzer to verify proper power-good sequencing during startup, brownout, or fault conditions-directly reflecting the MAXM15463's built-in output voltage supervision capability.