FA5546 Datasheet, PDF (27/27 Pages) Fuji Electric – Switching Power Supply Control IC

FA5546/47
・DEMO Board Typical characteristic curves(FA5546/47)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
50
Input Power at NO-Load
100
150
200
250
300
Input Voltage[Vac]
Switching Frequency at NO-Load
1.0
0.8
0.6
0.4
0.2
0.0
50
100
150
200
250
300
Input Voltage[Vac]
92
90
88
86
84
82
0
Efficiency vs. Output Power
115Vac
230Vac
Efficiency >= 87%(AVE)
25
50
75
100
Output Power[%]
92
90
88
86
84
82
50
Efficiency (Iout=3.6A)
100
150
200
250
300
Input Voltage[Vac]
22
21
20
19
18
17
16
50
Output Voltage (Iout=3.6A)
100
150
200
250
300
Input Voltage[Vac]
Over Current Protection vs. Input Voltage
6.0
5.5
5.0
4.5
4.0
3.5
3.0
50
100
150
200
250
300
Input Voltage[Vac]
Fuji Electric Co., Ltd.
AN-027E Rev.0.4
April -2011
27
http://www.fujielectric.co.jp/products/semiconductor/