Performance Curves
Brick Dual
48Vin 3.3/1.8Vout 40W
0.1
0.1
Quarter
Output Impedance
(
Ω
)
Output Impedance
(
Ω
)
0.01
35 Vin
48 Vin
75 Vin
0.01
35 Vin
48 Vin
75 Vin
0.001
10
100
1,000
10,000
100,000
0.001
10
100
1,000
10,000
100,000
Hz
Hz
Figure 31:
Output impedance (Zout1 = Vout1/Iout1) for minimum,
nominal, and maximum input voltage at full rated power, for
1.8V
out-
put.
-20
-30
Forward Transmission
(dB)
Figure 32:
Output impedance (Zout2 = Vout2/Iout2) for minimum,
nominal, and maximum input voltage at full rated power, for
3.3V
out-
put.
-20
-30
Forward Transmission
(dB)
-40
-50
-60
-70
-80
-90
-100
10
100
1,000
10,000
100,000
35 Vin
48 Vin
75 Vin
-40
-50
-60
-70
-80
-90
-100
10
100
1,000
10,000
100,000
35 Vin
48 Vin
75 Vin
Hz
Hz
Figure 33:
Forward Transmission (FT1 = Vout1/Vin) for minimum,
nominal, and maximum input voltage at full rated power, for
1.8V
out-
put.
0
-10
Reverse Transmission
(dB)
Figure 34:
Forward Transmission (FT2 = Vout2/Vin) for minimum,
nominal, and maximum input voltage at full rated power, for
3.3V
out-
put.
0
-10
Reverse Transmission
(dB)
-20
-30
-40
-50
-60
10
100
1,000
10,000
100,000
35 Vin
48 Vin
75 Vin
-20
-30
-40
-50
-60
10
100
1,000
10,000
100,000
35 Vin
48 Vin
75 Vin
Hz
Hz
Figure 35:
Reverse Transmission (RT1 = Iin/Iout1) for minimum, nomi-
nal, and maximum input voltage at full rated power, for
1.8V
output.
Product # DQ63318QMA04
Phone 1-888-567-9596
Figure 36:
Reverse Transmission (RT2 = Iin/Iout2) for minimum, nomi-
nal, and maximum input voltage at full rated power, for
3.3V
output.
Doc.# 005-2DQ638H Rev. A
1/10/03
Page 10
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