FA5640 Datasheet, PDF (13/35 Pages) Fuji Electric – Fuji Switching Power Supply Control IC

FA5640/41/42
7. Characteristic curve
・Unless otherwise specified : Tj=25 , VCC=15V
・“+” shows sink and “–“ shows source in current prescription.
・Data listed here shows the typical characteristics of an IC and does not guarantee the characteristics.
IS pin maximum threshold voltage (VthIS1)
vs. FB pin voltage (VFB)
0.6
0.5
0.4
0.3
0.2
0.1
0
0
1
2
3
4
VFB [V]
IS pin maximum threshold voltage (VthIS1)
vs. Junction temperature (Tj)
0.53
0.52
0.51
0.5
0.49
0.48
0.47
-50 -25 0
25 50 75 100 125 150
Tj [℃]
FB pin input threshold voltage switching off (VthFB01)
vs. Junction temperature(Tj)
500
490
480
470
460
450
440
430
420
410
400
-50 -25 0
25 50 75 100 125 150
Tj [℃]
IS pin maximum threshold voltage (VthIS2)
vs. Junction temperature (Tj)
0.48
0.47
0.46
0.45
0.44
0.43
0.42
-50 -25 0
25 50 75 100 125 150
Tj [℃]
FB pin input threshold voltage switching off (VthFB02)
vs. Junction temperature (Tj)
385
375
365
355
345
335
325
315
-50 -25 0
25 50 75 100 125 150
Tj [℃]
Fuji Electric Co., Ltd.
AN-064E Rev.1.1
April 2011
13
http://www.fujielectric.co.jp/products/semiconductor/