Datasheet

ULS 100-Watt Series
Sixteenth-brick DOSA-Compatible,
Isolated DC-DC Converters
MDC_ULS-100 Series.A09 Page 12 of 28
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TYPICAL PERFORMANCE DATA, ULS-5/20-D48
Enable Startup Delay (Vin = 48V, Vout = nom, Iout = 20A, Cload = 330uF, Ta = +25°C)
Ch2 = Vout, Ch4 = Enable.
Step Load Transient Response (Vin = 48V, Vout = nom, Iout = 75%-50%
of full load, Ta = +25°C)
Step Load Transient Response (Vin = 48V, Vout = nom, Iout = 50%-75%-50%
of full load, Ta = +25°C)
Vin Startup Delay (Vin = 48V, Vout = nom, Iout = 20A, Cload = 330uF, Ta = +25°C)
Ch1 = Vin, Ch2 = Vout.
Step Load Transient Response (Vin = 48V, Vout = nom, Iout = 50%-75%
of full load, Ta = +25°C)
Thermal image with hot spot at full load (20A) current with 30°C ambient; air is fl owing at
100 LFM. Air is fl owing across the converter from Vin to Vout at 48V input. Identifi able and
recommended maximum value to be verifi ed in application. Hottest spot is Q4 = 103.4°C.