Analog Devices Inc./Maxim Integrated MAX17530AUBEVKIT#

Overview

MAX17530AUBEVKIT# from Maxim Integrated is an evaluation kit for the MAX17530 high-voltage synchronous step-down DC-DC converter IC, supporting input voltages from 4V to 42V and delivering up to 25mA at adjustable output voltages from 0.8V to 0.9×VIN. It implements peak-current-mode control with selectable PWM or PFM operation, features a 22µA no-load supply current, and targets ultra-compact industrial power regulation.

For engineers reviewing the MAX17530AUBEVKIT# datasheet, MAX17530AUBEVKIT# pinout, MAX17530AUBEVKIT# application, or MAX17530AUBEVKIT# equivalent, this kit enables rapid validation of the MAX17530's high-efficiency 5V/3.3V regulation, soft-start behavior, RESET monitoring, and external synchronization capability in real-world PCB layouts with ceramic-only output filtering.

Technical Context

The MAX17530AUBEVKIT# implements the MAX17530 IC in a fully assembled, tested 10-pin µMAX® package (3mm × 3mm) configuration with optimized layout for EMI performance and thermal management. It integrates Coilcraft LPS5030-105M (1mH) inductor, Murata GRM21BR70J106K (10µF/X7R/6.3V) output capacitor, and GRM21BR71H105K (1µF/X7R/50V) input capacitor - all verified for stable operation across -40°C to +125°C ambient.

Key design elements include a 191kΩ RT/SYNC resistor setting 220kHz switching frequency, 261kΩ/49.9kΩ feedback divider for 5V output, 0.22µF X7R decoupling on VOUT, and 22.1Ω series resistor between VOUT and COUT - all conforming to Maxim's recommended layout for monotonic startup into prebiased loads and hiccup-mode overload protection.

Key Specifications

Availability

MAX17530AUBEVKIT# is available at Aetrix Electronics and suitable for industrial sensor nodes, HVAC control modules, and battery-powered instrumentation requiring stable component supply, fast design validation, and full thermal/EMI characterization support.

Supply support for MAX17530AUBEVKIT# 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management solutions for industrial, automotive, and communications applications.

The MAX17530 product line delivers ultra-small, high-efficiency synchronous buck converters targeting space-constrained, high-reliability industrial power supplies where wide VIN range, low quiescent current, and robust protection are critical.

FAQ

What is the primary function of the MAX17530AUBEVKIT#?

The MAX17530AUBEVKIT# is a fully assembled evaluation kit designed to demonstrate and validate the MAX17530 synchronous step-down DC-DC converter IC. It provides immediate hardware reference for configuring 5V/3.3V outputs, verifying soft-start timing, testing RESET assertion under undervoltage conditions, and evaluating PFM/PWM mode transitions - all using Maxim's production-grade layout and component selection.

Does the MAX17530AUBEVKIT# support external clock synchronization?

Yes, the MAX17530AUBEVKIT# supports external synchronization via the RT/SYNC pin when the MODE pin is grounded for forced-PWM operation. The kit's default 191kΩ RT resistor sets 220kHz operation, and users can inject a 200–242kHz external clock (via 47pF AC coupling) to lock the MAX17530's internal oscillator - enabling system-level timing alignment without modifying the board layout.

Can the MAX17530AUBEVKIT# be used to evaluate different output voltages?

Yes, the MAX17530AUBEVKIT# supports adjustable output voltages from 0.8V to 0.9×VIN by replacing the onboard R1 (261kΩ) and R2 (49.9kΩ) feedback resistors. The kit's schematic and layout maintain stability across this range, and the MAX17530's internal compensation ensures consistent transient response and phase margin regardless of output voltage setting.

What protection features are validated on the MAX17530AUBEVKIT#?

The MAX17530AUBEVKIT# validates five key protections: (1) peak current limiting (72mA typical), (2) overtemperature shutdown (160°C junction), (3) RESET output with 92–95% FB threshold hysteresis, (4) monotonic startup into prebiased loads, and (5) hiccup-mode overload recovery. These are confirmed through load-step transients, short-circuit tests, and thermal imaging per Maxim's application notes.

Is the MAX17530AUBEVKIT# compatible with both TDFN and µMAX® package variants of the MAX17530?

No - the MAX17530AUBEVKIT# is specifically configured for the 10-pin µMAX® package (U10+5, 3mm × 3mm). It uses the land pattern and thermal pad connection defined in Maxim's outline 21-0061. While the MAX17530 is also offered in a 10-pin TDFN (T1032N+1), that variant requires a different evaluation board (e.g., MAX17530EVKIT# with TDFN footprint) due to distinct pin spacing and exposed pad routing.