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MAX17553C Evaluation Kit
General Description
The MAX17553C evaluation kit (EV kit) is a fully
assembled and tested circuit board that demonstrates
the performance of the MAX17553C, a 4V to 60V, 50mA,
Ultra-Small, High Efficiency, Synchronous Step-Down
DC-DC converter in an 8-pin TDFN (2mm x 2mm)
package. The EV kit is designed to operate over a 14V
to 60V input and provides a 12V, 50mA output. The EV
kit is set up to turn ON at 20V(max) and turn OFF at
14V(max) using EN/UV and HYST pins. The step-down
converter is programmed to switch at a 400kHz
frequency and delivers a peak efficiency of 95% with
supplied components.
The EV kit is simple to use and easily configurable with
minimal
external
components.
features programmable input EN/UV and HYST
threshold, programmable frequency, and an open-drain
RESET
signal. The device offers built-in hiccup mode
protection for over-load and short circuit conditions, and
thermal shutdown. The EV kit is complaint with CISPR32
class B standard.
EV Kit Photo
One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2022 Analog Devices, Inc. All rights reserved.
The
MAX17553C
Evaluates: MAX17553 (MAX17553C)
Features
14V to 60V Input-Voltage Range for the Step-Down
Converter
12V Output Voltage, Up To 50mA Continuous Load
Current
95% Peak Efficiency
Minimum Number of External Components
400kHz Switching Frequency
Resistor Programmable Input Enable-Undervoltage
(EN/UV) and Hysteresis (HYST)
Internal Loop Compensation
3.2ms (typ) Internal Soft-Start Time
RESET
Open-Drain
Output to Monitor Output Voltage
Hiccup-mode Overcurrent and Overtemperature
Protection
Proven PCB Layout
Fully Assembled and Tested
Ordering Information
appears at end of data sheet.
319-100899; Rev 1; 4/22

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Summary of Contents for Analog Devices MAX17553C EV Kit A

  • Page 1 The EV kit is complaint with CISPR32 class B standard. EV Kit Photo 319-100899; Rev 1; 4/22 One Analog Way, Wilmington, MA 01887 U.S.A. | Tel: 781.329.4700 | © 2022 Analog Devices, Inc. All rights reserved.
  • Page 2: Quick Start

    6. Verify that the output voltmeter displays 12V and, if required, measure the output current using a DMM in ammeter mode. 7. If required, vary the input voltage from 14V to 60V and the load current from 0mA to 50mA, then verify that the output voltage is 12V with respect to GND. www.analog.com Analog Devices | 2...
  • Page 3: Detailed Description

    3). Connect the center node of the divider to the FB pin. Choose R less than or equal to 100kΩ and calculate R with the following equation: × [ − 1] MAX17553C FB/VO Figure 3. Setting the Output Voltage www.analog.com Analog Devices | 3...
  • Page 4 L2 before installing conducted EMI filter components. The EV kit layout is also designed to limit radiated emissions from switching nodes of the power converter and complies with CISPR32 Class B RE limits. www.analog.com Analog Devices | 4...
  • Page 5 Evaluates: MAX17553 (MAX17553C) MAX17553C Evaluation MAX17553C EV Kits Performance = 24V, T = +25°C, unless otherwise noted.) www.analog.com Analog Devices | 5...
  • Page 6 698kΩ, ±1%, 1/16W, resistor (0402) PANASONIC ERJ-2RKF6983 49.9kΩ, ±1%, 1/16W, resistor (0402) PANASONIC ERJ-2RKF4992 INDUCTOR, 220μH, 0.24A COILCRAFT LPS4018-224MR 4V to 60V, 50mA, Step-Down DC-DC Converter MAXIM MAX17553CATA+ INDUCTOR, 15μH, 0.58A COILCRAFT LPS3015-153MR Ceramic capacitor (0805) Ceramic capacitor (1206) www.analog.com Analog Devices | 6...
  • Page 7 Evaluates: MAX17553 (MAX17553C) MAX17553C Evaluation MAX17553C EV Kit Schematic Diagram www.analog.com Analog Devices | 7...
  • Page 8 Evaluates: MAX17553 (MAX17553C) MAX17553C Evaluation MAX17553C EV Kit PCB Layout MAX17553C EV Kit PCB Layout—Top Silkscreen MAX17553C EV Kit PCB Layout—Top Layer MAX17553C EV Kit PCB Layout—Layer 2 MAX17553C EV Kit PCB Layout—Layer 3 www.analog.com Analog Devices | 8...
  • Page 9: Ordering Information

    MAX17553C EV Kit PCB Layout—Bottom Layer MAX17553C EV Kit PCB Layout—Bottom Silkscreen Ordering Information PART NUMBER TYPE MAX17553CEVKIT# EV Kit #Denotes RoHS compliance. Component Suppliers SUPPLIER WEBSITE Coilcraft Inc www.coilcraft.com Murata Americas www.murata.com Vishay Intertechnology www.vishay.com Panasonic Corp www.panasonic.com www.analog.com Analog Devices | 9...
  • Page 10: Revision History

    Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

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