Analog Devices Inc./Maxim Integrated MAX17570F12EVKIT#

Overview

MAX17570F12EVKIT# from Analog Devices is a fully assembled and tested evaluation kit designed to characterize the MAX17570F high-voltage synchronous step-down DC-DC converter, supporting 15V–60V input, delivering up to 300mA at adjustable 12V output, operating in PFM mode at light loads, and complying with CISPR32 Class B conducted/radiated emissions for industrial power supply validation.

For engineers reviewing the MAX17570F12EVKIT# datasheet, MAX17570F12EVKIT# pinout, MAX17570F12EVKIT# application, or MAX17570F12EVKIT# equivalent, this kit enables rapid verification of input UVLO programming, RESET assertion timing, thermal shutdown response, external clock synchronization (not supported on MAX17570F), and EMI-compliant layout performance under real-world load transients and hot-plug conditions.

Technical Context

The MAX17570F12EVKIT# hosts a complete, isolated application circuit for the MAX17570F IC, featuring resistor-programmable EN/UVLO (15V default threshold), open-drain RESET output with active-low assertion, and overcurrent/overtemperature protection implemented per the IC's internal fault logic. It uses a fixed 400kHz switching frequency set by R203 (9.76kΩ) on the RT/SYNC pin.

This EV kit omits external clock synchronization capability-unlike the MAX17570C variant-and instead emphasizes PFM efficiency optimization at light loads. Input filtering includes 1µF/100V X7R ceramic (C207) and optional 10µF/100V electrolytic (C203) for long-cable damping, while output uses 10µF/25V X7R (C210) with low-ESR stability across –40°C to +125°C.

Key Specifications

Availability

MAX17570F12EVKIT# is available at Aetrix Electronics and suitable for industrial power supply validation, embedded system voltage rail prototyping, and EMI-compliant DC-DC converter qualification requiring stable component supply and documented reference design fidelity.

Supply support for MAX17570F12EVKIT# 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

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets with precision power, sensing, and conversion technologies.

The MAX17570F12EVKIT# belongs to Analog Devices' high-voltage DC-DC evaluation platform family, engineered specifically to accelerate development of robust, emission-compliant, wide-input industrial power supplies using the MAX17570 synchronous buck controller.

FAQ

What is the primary function of the MAX17570F12EVKIT#?

The MAX17570F12EVKIT# is a ready-to-use evaluation platform for the MAX17570F synchronous step-down DC-DC converter. It provides a proven, EMI-optimized PCB layout, fully assembled components, and configurable jumpers to validate key performance parameters-including PFM-mode efficiency, 12V output regulation, UVLO threshold setting, RESET timing, and thermal shutdown behavior-under real-world 15V–60V input conditions. The MAX17570F12EVKIT# does not require additional assembly or configuration to begin testing.

Does the MAX17570F12EVKIT# support external clock synchronization?

No, the MAX17570F12EVKIT# does not support external clock synchronization. While the MAX17570C variant (on the companion MAX17570C12EVKIT#) includes SYNC functionality via C109 and the RT/SYNC pin, the MAX17570F12EVKIT# omits this feature entirely-consistent with the MAX17570F IC's architecture. Its switching frequency is fixed at 400kHz via R203 and cannot be synchronized to an external clock source. This simplifies layout but limits multi-converter phase control options.

How is input undervoltage lockout configured on the MAX17570F12EVKIT#?

Input undervoltage lockout on the MAX17570F12EVKIT# is configured via jumper JU201. With no shunt installed (default), the MAX17570F enables when VIN rises above 15V, set by resistor dividers R201/R202. Installing a shunt across pins 2–3 disables the converter by grounding the EN/UVLO pin, while a shunt across pins 1–2 forces enablement by connecting EN/UVLO to VIN. This allows precise startup voltage control without modifying soldered components on the MAX17570F12EVKIT#.

What output capacitor is used on the MAX17570F12EVKIT# and why?

The MAX17570F12EVKIT# uses a 10µF/25V X7R ceramic capacitor (C210, 1206 package) as the primary output capacitor. X7R dielectric ensures stable capacitance across –55°C to +125°C and low voltage coefficient, critical for maintaining regulation accuracy and transient response in industrial environments. Its low ESR minimizes output ripple and improves load-step recovery-verified in the MAX17570F12EVKIT#'s typical operating characteristics data.

Can the MAX17570F12EVKIT# be used to evaluate both MAX17570C and MAX17570F devices?

No-the MAX17570F12EVKIT# is dedicated exclusively to evaluating the MAX17570F IC. It contains U201 populated with MAXIM MAX17570FATA+, uses R201–R206 for MAX17570F-specific biasing, and implements jumper JU201 for MAX17570F EN/UVLO control. The MAX17570C12EVKIT# is a separate board with distinct component values (e.g., R101–R106, JU101) and SYNC-capable circuitry. Though physically similar, the two kits are not interchangeable due to functional and layout-level differences tied to each IC's operating mode (PFM vs. PWM) and feature set.