Datasheet

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ULT Series
Thirty-Second-Brick Isolated DC/DC Converters
with 2:1 Wide Input Range
MDC_ULT Series.F05 Page 7 of 26
TYPICAL PERFORMANCE DATA, ULT-3.3/7.5-D48-C
On/Off Enable Delay Startup (Vin=48V, Vout=3.3V, Iout=7.5A,
Cload=400uF, Ta=+25°C) Ch1=Enable, Ch4=Vout
Vin Startup Delay (Vin=48V, Vout=3.3V, Iout=7.5A, Cload=400uF, Ta=+25°C)
Ch1=Vin, Ch4=Vout
Stepload Transient Response (Vin=48V, Iout=50-75-50% of Imax,
Cload=4x100µF, Ta=+25°C)
Output Ripple and Noise (Vin=48V, Iout=7.5A, Cload=0, 4x100µF caps,
Ta=+25°C, ScopeBW=20Mhz
Thermal image with hot spot at full load current with 25°C ambient temperature. Natural
convection is used with no forced airfl ow. Identifi able and recommended maximum value
to be verifi ed in application. Vin=48V, Q8 max Temp=104°C.
Output Ripple and Noise (Vin=48V, Iout=0A, Cload=0, 4x100µF caps,
Ta=+25°C, ScopeBW=20Mhz)