EPR-00015 Datasheet, PDF (20/24 Pages) Power Integrations, Inc. – 3W, Universal Input, Single Output, Isolated Converter with TNY254 (EP-15)

Engineering Prototype Report
8.9 Acoustic noise
Audio Precision
+80
+70
+60
+50
+40
d
B
+30
r
+20
A
+10
+0
-10
-20
-30
0
2k
FFT SPECTRUM ANALYSIS
10/17/00 02:08:12
4k
6k
8k
10k
12k
14k
16k
18k
20k 22k
Hz
Figure 8.9.1 Worst case acoustic emission (Vin=120Vac, Iout=160mA)
Revisions
Author
S.L.
Date
5.18.00
8.18.00
9.12.00
10.6.00
10.9.00
10.26.00
11.14.00
01.31.01
Rev
1
2
3
4
5
6
7
8
Description
First Draft
Second Draft
Third Draft
Fourth Draft
Fifth Draft
Release
Changed title from EP10B to EP15
Changed EPR-15 to EPR-00015
EPR-00015
Page 20 of 24