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The CUI Inc. VOF-20B-S48 is an AC-DC power supply from the VOF-20B series, delivering a continuous 20W of power with a single 48Vdc output. It is designed with a compact open-frame form factor, making it suitable for integration into various electronic systems. The unit accepts a universal input voltage range of 85-264 Vac and operates with an efficiency of up to 86%.
Key electrical specifications include an output current of 0.42A, a typical ripple and noise of 480mVp-p, and protections such as over-voltage, over-current, and short-circuit with auto-recovery. The power supply offers line regulation of ±0.5% and load regulation of ±1%. It is designed for through-hole mounting and comes in a 4-DIP module package.
This AC-DC converter is suitable for ITE (Commercial) applications and meets various safety and EMC standards including IEC62368-1, UL62368-1, EN 55032 Class B, and FCC Part 15 Class B. It operates within an ambient temperature range of -25°C to 70°C with derating and has an MTBF of 300,000 hours.
The output voltage is 48 VDC nominal.
The input voltage range is 85 to 264 VAC (or 370 VDC maximum).
It comes in a 4-DIP through-hole module.
The operating temperature range is -25°C to 70°C with derating.
Over voltage, over current (110% of rated output), and short circuit protections, all with hiccup mode and auto recovery.
Typical efficiency is 86%.
Isolation voltage between input and output is 4000 VAC.