Load Current (A)
Freq
uency (kH
z)
1
2
3
4
5
6
7
8
9
10
82.5
85
87.5
90
92.5
95
97.5
D003
Performance Data and Typical Characteristic Curves
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18
SLUUBQ8B – August 2017 – Revised January 2017
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Using the UCC25630-1EVM-291
(Test condition: V
AC
= 264 V
RMS
, disconnected AC randomly, discharge time from 373 VAC to below 30 V:
700 ms)
9.9
Bode Plot
Figure 14. Bode Plot at V
in
= 390 V and 10 A Load
9.10 Switching Frequency vs. Load
Figure 15. Switching Frequency vs. Load (V
in
= 390 V)
10
EVM Assembly Drawing and PCB Layout
Figure 16
through
Figure 19
show the design of the UCC25630-1EVM-291 printed circuit board. PCB
dimensions: L x W = 5.9 x 4.8 in, PCB material: FR4 or compatible, two layers and 2 oz copper on each
layer.