© 2013 Fairchild Semiconductor Corporation
20
FEBFDD850N10LD_CS001
• Rev. 1.0.0
9.4.
Efficiency
Test Conditions
Connect the power resistor (85
Ω,
100
Ω
) to the CON2 and measure the output voltage
and current on the BoostPak (FDD850N10LD) after 30 minutes aging.
Table 8.
Test Results of V
OUT
= 55 V ( 35 W)
Input Voltage
Input Power
Output Power
Efficiency
Remark
20.4 V
37.75 W
35.39 W
93.75%
24.0 V
37.54 W
35.42 W
94.36%
27.6 V
37.38 W
35.43 W
94.78%
Table 9.
Test Results of V
OUT
= 65 V (45 W)
Input Voltage
Input Power
Output Power
Efficiency
Remark
20.4 V
44.48 W
41.47 W
93.23%
24.0 V
44.20 W
41.52 W
93.92%
27.6 V
44.14 W
41.73 W
94.54%
Figure 26.
Efficiency Curve
90.00
91.00
92.00
93.00
94.00
95.00
96.00
97.00
98.00
99.00
100.00
20.4
24
27.6
Ef
fi
ci
e
n
cy
[
%
]
Input Voltage, Vin [V]
Vout=55V
Vout=65V