Analog Devices Inc./Maxim Integrated MAX17630C5EVKIT#

Overview

MAX17630C5EVKIT# from Maxim Integrated is an evaluation kit for the MAX17630C adjustable-output synchronous step-down DC-DC converter, supporting 4.5V–36V input and delivering up to 1A at user-configurable output voltages (0.9V to 90% of VIN). It implements peak-current-mode control with selectable PWM/DCM/PFM operation, integrated MOSFETs, internal compensation, and operates across –40°C to +125°C ambient. The kit enables rapid validation of power designs in industrial control, distributed supply regulation, and high-voltage single-board systems.

For engineers reviewing the MAX17630C5EVKIT# datasheet, MAX17630C5EVKIT# pinout, MAX17630C5EVKIT# application, or MAX17630C5EVKIT# equivalent, this evaluation platform provides verified layout, thermal management guidance, EMI test data (CISPR-22 Class B compliant), soft-start and prebias startup characterization, and full functional validation of the MAX17630C IC under real-world load transients, synchronization, and hiccup-mode protection conditions.

Technical Context

The MAX17630C5EVKIT# implements the MAX17630C IC in a 16-pin 3mm × 3mm TQFN package with dual LX and PGND pins for low-inductance switching node routing. It supports external clock synchronization (1.1× to 1.4× f_SW capture range), programmable frequency (400kHz–2.2MHz via RT resistor), and auxiliary EXTVCC input for improved efficiency when V_OUT = 5V.

Key design features include monotonic startup with prebiased output support, built-in RESET monitoring (90.5–94.6% FB trip thresholds), hiccup-mode overload protection (32768-cycle timeout), and thermal shutdown at +165°C with 10°C hysteresis - all validated on the evaluation board per Maxim's EV kit documentation.

Key Specifications

Availability

MAX17630C5EVKIT# is available at Aetrix Electronics and suitable for industrial control power supplies, distributed supply regulation, and high-voltage single-board systems requiring stable component supply and rapid prototyping validation.

Supply support for MAX17630C5EVKIT# 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 high-performance analog, mixed-signal, and power management ICs for demanding industrial, automotive, and communications applications.

The MAX17630 product line delivers high-efficiency, wide-input synchronous buck converters with integrated MOSFETs, internal compensation, and robust protection features - engineered for reliability in harsh industrial environments (-40°C to +125°C).

FAQ

What is the primary function of the MAX17630C5EVKIT#?

The MAX17630C5EVKIT# is an evaluation kit designed to validate the MAX17630C adjustable-output synchronous step-down DC-DC converter. It provides a fully assembled, tested PCB with optimized layout, thermal design, and component selection - enabling engineers to evaluate performance metrics including efficiency, transient response, EMI, soft-start behavior, and protection features before integrating the MAX17630C into end equipment.

Does the MAX17630C5EVKIT# support external clock synchronization?

Yes, the MAX17630C5EVKIT# supports external clock synchronization via the MODE/SYNC pin. When configured per the MAX17630C datasheet, it captures external clocks within 1.1× to 1.4× the programmed switching frequency (e.g., 1.65MHz sync signal for a 1.5MHz f_SW). This capability is verified on the kit using oscilloscope waveforms in the MAX17630C evaluation report (toc51).

Can the MAX17630C5EVKIT# be used to evaluate prebiased output startup?

Yes, the MAX17630C5EVKIT# demonstrates monotonic startup with prebiased output voltage, as shown in Figure toc27 of the MAX17630 datasheet. With a 2.5V prebias applied to VOUT, the kit confirms controlled ramp-up without reverse current or output overshoot - critical for hot-swap and multi-rail sequencing applications using the MAX17630C.

What protection features of the MAX17630C are validated on the MAX17630C5EVKIT#?

The MAX17630C5EVKIT# validates hiccup-mode overload protection (toc52), thermal shutdown at +165°C (with 10°C hysteresis), RESET assertion when FB falls below 90.5–94.6% of regulation, and EN/UVLO threshold programming (VENR = 1.19–1.26V). These protections are confirmed through load-dump, short-circuit, and temperature sweep tests documented in the MAX17630 evaluation kit data sheet.

Is the MAX17630C5EVKIT# compatible with other MAX17630 variants like MAX17630A or MAX17630B?

No - the MAX17630C5EVKIT# is specifically configured for the MAX17630C variant, featuring an adjustable feedback network (R1/R2 divider) and optimized for its 0.9V–90% VIN output range. While the PCB footprint matches all MAX17630 variants (same 16-pin TQFN), the feedback components, EXTVCC connection, and test configurations are tailored to MAX17630C functionality and cannot be directly reused for fixed-output MAX17630A/B without hardware modification.