Datasheet

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UWS Series
Sixteenth-brick DOSA-Compatible,
Wide Input Isolated DC-DC Converters
MDC_UWS Series.D03 Page 17 of 25
TYPICAL PERFORMANCE DATA, UWS-12/4.5-Q48
Power On Startup Delay (Vin=0 to 48V, Vout=nom., Iout=no load, Cload=0 µF, Ta=+25°C.,
ScopeBW=20MHz) Trace 1=Vin, Trace 4=Vout
Thermal image with hot spot at full load current with 25 °C ambient temperature. Natural
convention is used with no forced airfl ow. Identifi able and recommended maximum value
to be verifi ed in application. Vin=48V, Q6 and T1 max Temp=120 °C/IPC9592 guidelines.
Power On Startup Delay (Vin=0 to 48V, Vout=nom., Iout=4.5A, Cload=0 µF, Ta=+25°C.,
ScopeBW=20MHz) Trace 1=Vin, Trace 4=Vout
49.8°C
89.0°C
50
60
70
80
Q6: 82
T1: 82
Q8: 73
(+Vin) (+Vout)
(-Vin) (-Vout)