FA7711V Datasheet, PDF (11/25 Pages) Fuji Electric – FUJI Power Supply Control IC

FA7711V
100
90
80
70
60
50
40
30
20
10
0
1.2
FB pin voltage vs . Duty cycle
OUT1
f ocs =200kHz
f oc s =560kHz
f oc s =800kHz
1.4
1.6
1.8
2.0
2.2
2.4
FB1 pin voltage [V]
FB pin voltage vs . Duty cycle
100
OUT2:Pch driven
90
f oc s =200kHz
80
70
60 ^focs=800kHz
f oc s=560kHz
50
40
30
20
10
0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
FB2 pin voltage [V]
100
90
80
70
60
50
40
30
20
10
0
1.2
FB pin voltage vs.Duty cycle
OUT2:Nch driven
f oc s =200kHz
f oc s=800kHz
f ocs =560kHz
1.4
1.6
1.8
2.0
2.2
2.4
FB2 pin voltage [V]
100
90
80
70
60
50
40
30
20
10
0
1.2
FB pin voltage vs .Duty cycle
OUT3:Pch driven
f oc s=200kHz
f ocs =560kHz
f ocs =800kHz
1.4
1.6
1.8
2.0
2.2
2.4
FB3 pin voltage [V]
100
90
80
70
60
50
40
30
20
10
0
1.2
FB pin voltage vs . Duty cycle
OUT3:Nch driven
f oc s=200kHz
f oc s=560kHz
f oc s =800kHz
1.4
1.6
1.8
2.0
2.2
2.4
FB3 pin voltage [V]
Fuji Electric Systems Co., Ltd.
AN-060E Rev.1.0
11
Jun-2010
http://www.fujielectric.co.jp/fdt/scd/