FA5526/5527/5528/5536/5537/5538
Start-up Circuit VCC pin Source Current (Ipre)
vs. VCC pin voltage (Vcc)
-5.0
VVH = 100V
-5.5
-6.0
-6.5
-7.0
-7.5
-8.0
0
5
10
15
Vcc (V)
Start-up Circuit VCC pin Source Current (Ipre)
vs. Junction Temperature (Tj)
-5.5
VVH = 100V
-6.0 Vcc = 0V
-6.5
-7.0
-7.5
-8.0
-40 -20 0 20 40 60 80 100 120 140
Tj (degree)
-6
-6.2
-6.4
-6.6
-6.8
-7
-7.2
-7.4
0
Start-up Circuit VCC pin Source Current
vs. VH pin voltage (VVH)
Vcc = 0V
100
200
300
400
500
VVH (V)
IS pin threshold voltage (Vthis) vs. Duty Cycle
at FB pin = 4V and CS pin = 4V
0.60
FB=4V
CS=4V
0.55
0.50
0.45
0.40
0
10 20 30 40 50 60 70 80
D (%)
IS pin threshold voltage (Vthis) vs. Duty Cycle(D)
at FB pin = 3V for FA5528/5538
0.50
FB=3V
0.45
0.40
0.35
0.30
0 10 20 30 40 50 60 70 80
D (%)
IS pin threshold voltage (Vthis) vs. DutyCycle(D)
at FB pin = 2V for FA5528/5538
0.30
FB=2V
0.25
0.20
0.15
0.10
0 10 20 30 40 50 60 70 80
D (%)
Fuji Electric Co., Ltd.
AN-087E Rev.1.0
April-2011
13
http://www.fujielectric.co.jp/products/semiconductor/