Description:The MKW20M series is a range of high performance 20W medical approved DC-DC converter within encapsulated 2”x1” package which specifically design for medical applications. There are 21 models available for input voltage of 12, 24, 48VDC with wide 2:1 input range and fixed output voltage. The I/O isolation is specified for 4200VAC with reinforced insulation, which rated for 300Vrms working voltage. Further features include under-voltage, overload, over voltage, short circuit protection, no min. load requirem
OVER LOAD, OVER VOLTAGE, SHORT CIRCUIT, UNDER VOLTAGE
Ripple Voltage (Main Out):
0.053025 Vrms
Screening Level:
EN/ES/IEC 60601-1, 2 X MOPP, EN 60601-1-2
Seated Height-Max:
12.6 mm
Surface Mount:
NO
Technology:
HYBRID
Terminal Form:
PIN/PEG
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
6
Total Power Output-Max:
20 W
Trim/Adjustable Output:
NO
Warm-up Time:
0.03 s
Width:
25.4 mm
MKW20-24S24M Frequently Asked Questions (FAQs)
The recommended PCB layout involves placing the DC-DC converter near the input voltage source, using a solid ground plane, and keeping the output voltage traces as short as possible. For thermal management, ensure good airflow around the device, and consider adding a heat sink or thermal pad to the exposed pad of the IC.
To ensure EMC, follow proper PCB design and layout guidelines, use a metal shield or enclosure, and add EMI filters or ferrite beads to the input and output lines. Additionally, consider using a common-mode choke and a Y-capacitor to reduce conducted emissions.
The maximum allowable capacitance on the output is typically limited by the stability of the converter. As a general rule, keep the output capacitance below 10uF to ensure stability. However, it's recommended to consult with the manufacturer or perform thorough testing to determine the optimal output capacitance for your specific application.
The MKW20-24S24M is rated for industrial temperature range (-40°C to 85°C). For high-reliability or high-temperature applications, consider using a module with a wider operating temperature range or a higher reliability rating. Additionally, ensure that the module is properly derated and that the application meets the manufacturer's recommended operating conditions.
To troubleshoot common issues, start by verifying the input voltage, output load, and PCB layout. Check for proper component selection, soldering, and assembly. Use an oscilloscope to monitor the output voltage and current, and consult the datasheet and application notes for guidance on troubleshooting and debugging.
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Manufacturer Collaborated
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System Verified
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Community Approved
Sponsored
MKW20-24S24M Overview
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