Datasheet

UEI25 Series
Single Output Isolated 25-Watt DC/DC Converters
MDC_UEI25W.B09 Page 14 of 24
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UEI25-120-D48 PERFORMANCE DATA, CONTINUED
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=2000uF, Ta=+25°C.,
ScopeBW=20Mhz) Trace 1= Enable. Trace 4=Vout
Output Ripple and Noise (Vin=48V, Iout = 2.1A, Cout = 1&10F, Ta = +25°C,
Scope BW = 20MHz)
On/Off ENABLE DELAY (Vin=48, Vout=nom, Iout=2.1A, Cload=0uF, Ta=+25°C.,
ScopeBW=20Mhz) Trace 1= Enable. Trace 4=Vout
Stepload Transient Response (Vin = 48V, Iout = 25-75-25% of Imax, Cout = 1&10F,
Ta = +25°C, Scope BW = 20MHz)
Maximum Current Temperature Derating @sea level
(VIN = 75V, airfl ow is from pin 1 to pin 3)
65
70
7
5
80
85
1
.
9
1
.
95
2
.
05
2
.
1
2
.
15
2.
2
A
m
A
A
b
i
e
n
t
t
e
m
p
e
r
a
t
u
r
e
(°C
)
0.33 m
/
s (65
L
F
M)
0.5 m
/
s (100
L
F
M)
1.0 m/s (200
L
F
M
)
(
1.5 m/s (300
L
F
)
M
)
O
u
t
p
u
t
Cu
rr
e
nt
(
A
(
(
mps
)