Users of the DS2000 have a choice of standard I2C or advanced PMBus communications with digital control. It employs a new high efficiency conversion topology, together with an innovative power transformer and rectifier construction that further improves power density and reduces interconnect power losses. The DS2000-3 power supplies incorporate fan cooling with automatic speed control and have an ambient operating temperature range of -10 to +50 degrees Celsius, with 50 percent derating at +70 degrees Celsius.