Datasheet

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UWS Series
Sixteenth-brick DOSA-Compatible,
Wide Input Isolated DC-DC Converters
MDC_UWS Series.D03 Page 6 of 25
TYPICAL PERFORMANCE DATA, UWS-3.3/15-Q48
Output Ripple and Noise (Vin=48V, Vout=nom., Iout=no load,
Cload=1µF ceramic || 10µF tantalum, Ta=+25°C., ScopeBW=20MHz)
Output Ripple and Noise (Vin=48V, Vout=nom., Iout=15A,
Cload=1µF ceramic || 10µF tantalum, Ta=+25°C., ScopeBW=20MHz)
On/Off Enable Delay (Vin=48V, Vout=nom., Iout=15A, Cload=0 µF, Ta=+25°C.,
ScopeBW=20MHz) Trace 1=Enable, Trace 4=Vout
Step Load Transient Response (Vin=48V, Vout=nom., Iout=50-75-50% of full load,
Cload=10,000 µF, Ta=+25°C., ScopeBW=20MHz)
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 max Temp=120 °C/IPC9592 guidelines.
Step Load Transient Response (Vin=48V, Vout=nom., Iout=50-75-50% of full load,
Cload=1µF ceramic || 10µF tantalum, Ta=+25°C., ScopeBW=20MHz)
52.0°C
95.6°C
60
70
80
90
Q6A: 88
T1: 81
CR21: 82
Q8: 83
(+Vin) (+Vout)
(-Vin) (-Vout)