FA3629AV Datasheet, PDF (5/7 Pages) Fuji Electric – For Switching Power Supply Control

s Characteristic curves (Ta=25°C)
Supply current (ICC) vs oscillation frequency (fOSC)
FA3629AV
Oscillation frequency (fOSC) vs. timing capactior(CT)
VCC=6.0V
6
VCC=5.0V
4
VCC=3.0V
VCC=2.5V
2
0
200k
500k
fosc [kHZ]
800k
Oscillation frequency (fOSC) vs. ambient temperature (Ta)
700
650
600
550
500
450
400
25
0
25
50
Ta [°C]
75
100
Oscillation peak voltage vs. timing capactior(CT)
2
Maximum peak voltage
1
Minimum peak voltage
0
100
500 1000
CT [pF]
1000
100
100
CT [pF]
1000
Max. on duty cycle vs. oscillation frequency (fOSC)
100
90
CH.1, 2
80
CH. 3
70
100
500 1000
fosc [kHz]
Error amplifier voltage gain (Av) /phase vs.
frequency (f)
Condition: Open loop
100
90
80
70
60
50
40
30
20
10
0
– 10
– 20
– 30
100
Av
Phase
1K
10K
100K
1M
f [HZ]
180
150
120
90
60
30
0
– 30
– 60
10M
5