UEI25 Series
Single Output Isolated 25-Watt DC/DC Converters
UEI25-120-D48 PERFORMANCE DATA, CONTINUED
Maximum Current Temperature Derating @sea level
(VIN = 75V, airflow is from pin 1 to pin 3)
2.2
2.15
2.1
65 LFM
100 LFM
2.05
200 LFM
300 LFM
1.95
1.9
65
70
75
80
85
Ambient temperature (°C)
On/Off ENABLE DELAY (Vin=48, Vout=nom, Iout=0A, Cload=0uF, Ta=+25°C.,
ScopeBW=20Mhz) Trace 1= Enable. Trace 4=Vout
On/Off ENABLE DELAY (Vin=48, Vout=nom, Iout=2.1A, Cload=0uF, Ta=+25°C.,
ScopeBW=20Mhz) Trace 1= Enable. Trace 4=Vout
On/Off ENABLE DELAY (Vin=48, Vout=nom, Iout=2.1A, Cload=2000uF, Ta=+25°C.,
ScopeBW=20Mhz) Trace 1= Enable. Trace 4=Vout
Stepload Transient Response (Vin = 48V, Iout = 25-75-25% of Imax, Cout = 1&10μF,
Ta = +25°C, Scope BW = 20MHz)
Output Ripple and Noise (Vin=48V, Iout = 2.1A, Cout = 1&10μF, Ta = +25°C,
Scope BW = 20MHz)
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MDC_UEI25W.B03 Page 18 of 23