Performance Curves
Brick Dual
Quarter
48V 3.3/1.8V
77W
out
in
0.1
0.01
0.1
35 Vin
48 Vin
75 Vin
35 Vin
48 Vin
75 Vin
0.01
0.001
0.001
10
10
100
1,000
Hz
10,000
100,000
100
1,000
Hz
10,000
100,000
Figure 25: Output impedance (Z
= V
/I
) for minimum,
Figure 26: Output impedance (Z
= V
/I
) for minimum,
out1
out1 out1
out2
out2 out2
nominal, and maximum input voltage at full rated power, for 1.8V out-
nominal, and maximum input voltage at full rated power, for 3.3V out-
put.
put.
-30
-40
-50
-30
-40
-50
-60
-60
35 Vin
48 Vin
35 Vin
48 Vin
-70
-70
75 Vin
75 Vin
-80
-80
-90
-100
-110
-90
-100
-110
10
100
1,000
Hz
10,000
100,000
10
100
1,000
Hz
10,000
100,000
Figure 27: Forward Transmission (FT = V
/V ) for minimum,
Figure 28: Forward Transmission (FT = V
/V ) for minimum,
out2 in
1
out1 in
2
nominal, and maximum input voltage at full rated power, for 1.8V out-
nominal, and maximum input voltage at full rated power, for 3.3V out-
put.
put.
-10
-15
-20
-25
-10
-15
-20
-25
-30
-30
35 Vin
48 Vin
75 Vin
35 Vin
48 Vin
75 Vin
-35
-40
-45
-50
-55
-60
-35
-40
-45
-50
-55
-60
10
100
1,000
Hz
10,000
100,000
10
100
1,000
Hz
10,000
100,000
Figure 29: Reverse Transmission (RT = I /I
) for minimum, nomi-
nal, and maximum input voltage at full rated power, for 1.8V output.
Figure 30: Reverse Transmission (RT = I /I
) for minimum, nomi-
nal, and maximum input voltage at full rated power, for 3.3V output.
1
in out1
2
in out2
Product # DQ63318QGL08
Phone 1-888-567-9596
Doc.# 005-2DQ638D Rev. B
10/7/03
Page 9
SYNQOR [ SYNQOR WORLDWIDE HEADQUARTERS ]
