ICE2QR2280G-1(2015) 데이터 시트보기 (PDF) - Infineon Technologies
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ICE2QR2280G-1
(Rev.:2015)
(Rev.:2015)
Infineon Technologies
ICE2QR2280G-1 Datasheet PDF : 14 Pages
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20 W 5 V SMPS Evaluation Board with
Quasi-Resonant CoolSET™ ICE2QR2280G-1
Transformer construction
11 Transformer construction
Core and material: EPCOS(N87)or TDK PC44 EF25/13/7
Bobbin: Vertical version
Primary Inductance, Lp=1504 μH( ±10%), measured between pin 4 and pin 5
Start
1
3
7
6
4
Stop
2
5
9
8
3
No. of turns
12
48
4
4
48
Wire size
1XAWG#32
1XAWG#28
3XAWG#25
3XAWG#25
1XAWG#28
Layer
Auxiliary
1/2 Primary
Secondary
Secondary
1/2 Primary
Figure 5 Transformer structure
12 Test results
12.1 Efficiency, regulations and output ripple
Table 4 Efficiency, regulation & output ripple
Vin
(VAC)
85
115
230
265
Pin
Vout
Iout
(W)
(VDC)
(A)
0.0207
4.97
0.00
2.4000
4.97
0.40
6.1700
4.97
1.00
12.4500
4.97
2.00
18.9300
4.96
3.00
26.0300
4.96
4.00
0.0260
4.97
0.00
2.4900
4.97
0.40
6.1300
4.97
1.00
12.3000
4.97
2.00
18.4900
4.96
3.00
25.1000
4.96
4.00
0.0264
4.97
0.00
2.5700
4.97
0.40
6.2500
4.97
1.00
12.3000
4.97
2.00
18.3500
4.96
3.00
24.4300
4.96
4.00
0.0308
4.97
0.00
2.5800
4.97
0.40
6.3200
4.97
1.00
12.3600
4.97
2.00
18.4300
4.96
3.00
24.5000
4.96
4.00
Pout
(W)
1.99
4.97
9.93
14.89
19.85
1.99
4.97
9.93
14.89
19.85
1.99
4.97
9.93
14.89
19.85
1.99
4.97
9.93
14.89
19.85
Application Note
11
Efficiency
(%)
82.83
80.49
79.76
78.67
76.27
79.84
81.01
80.73
80.54
79.09
77.35
79.46
80.73
81.16
81.26
77.05
78.58
80.34
80.80
81.03
Average Efficiency
(%)
78.79
80.34
80.65
80.19
Revision 1.1, 2015-04-02
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