- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for K78U05-500
- Part Number K78U05-500
- Manufacturer Mornsun Power
- Pin Count 3
- Part Category Power Supply
- Package Category Other
- Footprint Name Other - K78U05-500
- Released Date Jul 9, 2018
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
K78U05-500 Details
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Manufacturer Part Number:
K78U05-500
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.01
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Manufacturer:
MORNSUN
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Input Voltage-Max:
72 V
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Input Voltage-Min:
9 V
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Number of Terminals:
3
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Operating Temperature-Max:
85 °C
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Operating Temperature-Min:
-40 °C
K78U05-500 Frequently Asked Questions (FAQs)
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The recommended input capacitor value is 10uF to 22uF, and the type should be X7R or X5R ceramic capacitor or low ESR electrolytic capacitor.
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The K78U05-500 has a operating temperature range of -40°C to 85°C, but it's recommended to derate the output power at high temperatures. For example, at 70°C, the output power should be derated to 70% of the maximum rating.
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To ensure reliability, follow the recommended PCB layout and thermal design guidelines, use a suitable input capacitor, and ensure the output voltage is within the specified range. Also, consider adding overvoltage and undervoltage protection, and a fuse or PTC for overcurrent protection.
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Yes, you can parallel multiple K78U05-500 modules to increase the output current, but it's recommended to add a small resistance (e.g., 10mΩ) in series with each module to ensure current sharing. Also, make sure to follow the recommended layout and thermal design guidelines.
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The typical efficiency of the K78U05-500 is around 85% to 90% at full load, depending on the input voltage and output load.
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K78U05-500 Overview
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