7. characteristic curve
?unless otherwise specified : ta=25℃, vcc=15v(*fa5571)
?“+” shows sink and “–“ shows source in current prescription.
?data listed here shows the typical characteristics of an ic and does not guarantee the characteristics.
maximum fsw blanking (fmax)
vs. vcc pin voltage (vcc)
112
116
120
124
128
5 10 15 20 25 30
vcc (v)
fmax (khz)
maximum fsw blanking (fmax)
vs. junction temperature (tj)
112
116
120
124
128
-50 0 50 100 150
tj (degree)
fmax (khz)
maximum fsw blanking (fmax)
vs. junction temperature (tj)
162
166
170
174
178
-50 0 50 100 150
tj (degree)
fmax (khz)
fa5571a
fa5671
maximum fsw blanking (fmax)
vs. vcc pin voltage (vcc)
162
166
170
174
178
5 10 15 20 25 30
vcc (v)
fmax (khz)
fa5571a
fa5671
zcd pin input threshold voltage
(vthzcd1)
vs. junction temperature (tj)
50
55
60
65
70
-50 0 50 100 150