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The Artesyn Embedded Power DS550DC-3 is a distributed power bulk front-end DC DC converter, rated at 550 watts. It provides a main DC output of +12 VDC and a +3.3 VDC standby output for powering standby circuitry. This unit is designed for system operation from a Telco style 48 VDC input, with an input voltage range of 36 to 75 VDC.
Key electrical specifications include a maximum output power of 550W, a main output voltage of +12VDC with +/-5% regulation, and a standby output of +3.3VDC with +/-5% regulation. The converter boasts an efficiency of 87% and an inrush current of 21A maximum. It supports hot-plug operation and N+1 redundancy, with active current sharing and internal ORing FETs for reliability.
Mechanically, the DS550DC-3 features a 1U x 2U form factor and is designed for rack mounting. Its dimensions are 305.6mm in length, 78.0mm in width, and 40.0mm in height. For thermal management, it includes built-in cooling fans (40 mm x 28 mm). The operating temperature range is -10°C to 50°C.
Additional features include an I2C communication interface for FRU data, an amber LED for fan_fail status, and a green LED for power good/DC_OK status. It complies with safety standards including UL/cUL62368, EN62368, and carries CE and UKCA marks.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
+12 VDC
+3.3 VSB
36 to 75 VDC
550W
-10°C to 50°C
Rack Mount