OVER CURRENT, OVER VOLTAGE, OVER TEMPERATURE, SHORT CIRCUIT, UNDER VOL
Ripple Voltage (Main Out):
0.1 Vrms
Seated Height-Max:
13.2 mm
Surface Mount:
NO
Technology:
HYBRID
Terminal Form:
PIN/PEG
Terminal Position:
UNSPECIFIED
Total Power Output-Max:
400 W
Trim/Adjustable Output:
YES
Warm-up Time:
0.12 s
Width:
61 mm
CFB400W-48S28 Frequently Asked Questions (FAQs)
Cincon recommends a multi-layer PCB with a dedicated ground plane and thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended. The datasheet provides a suggested PCB layout, but it's essential to consult with Cincon's application notes and FAE team for specific guidance.
To ensure reliable start-up and shutdown, Cincon recommends implementing a soft-start circuit to limit inrush current and a shutdown circuit to discharge the output capacitors. Additionally, the input voltage should be ramped up and down slowly to prevent voltage spikes and stress on the components.
Cincon provides derating factors for high ambient temperatures and high altitude applications in their application notes. As a general guideline, the converter's power rating should be derated by 2-3% per degree Celsius above 40°C and by 1-2% per 1,000 feet above sea level. However, it's essential to consult with Cincon's FAE team for specific guidance on the application.
Yes, the CFB400W-48S28 can be used in a redundant or parallel configuration, but it requires careful design and implementation. Cincon recommends using a dedicated ORing diode or a redundancy module to ensure reliable operation and to prevent back-feeding of power. It's essential to consult with Cincon's FAE team for specific guidance on the application.
The CFB400W-48S28 has built-in EMI filters, but additional external filtering may be required to meet specific regulatory requirements. Cincon recommends using a combination of common-mode chokes, X-capacitors, and Y-capacitors to achieve the required EMI attenuation. It's essential to consult with Cincon's FAE team for specific guidance on the application.
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CFB400W-48S28 Overview
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