FA7700V Datasheet, PDF (6/13 Pages) List of Unclassifed Manufacturers – For Switching Power Supply Control

FA7700V, FA7701V
Maximum duty cycle vs. ambient temperature
FA7700
94
92
fosc=50kHz
90
88
fosc=185kHz
86
fosc=1MHz
84
82
80
–40 –20
0
20 40
60 80 100
Ambient temperature Ta [˚C]
Internal bias voltage vs. ambient temperature
2.28
2.26
2.24
2.22
2.20
2.18
–40 –20 0
20 40 60 80 100
Ambient temperature Ta [˚C]
CS terminal ON/OFF threshold vs.
ambient temperature
0.40
0.35
0.30
0.25
0.20
0.15
–40 –20 0
20 40
60 80 100
Ambient temperature Ta [˚C]
6
Error amp. reference voltage vs. ambient temperature
0.90
0.89
0.88
0.87
0.86
–40 –20
0
20 40 60 80 100
Ambient temperature Ta [˚C]
Undervoltage lock-out vs. ambient temperarure
2.20
2.15
2.10
Vcc ON
2.05
2.00
Vcc OFF
1.95
1.90
1.85
1.80
–40 –20 0
20 40 60 80 100
Ambient temperature Ta [˚C]
CS terminal voltage vs. CS terminal sink current
200
180
–30˚C
160
140
Ta=25˚C
85˚C
Ta=–30˚C
120
100
80
60
FB>1.65V
40
FB<1.35V
20
0
0
1
2
3
4
5
CS terminal voltage [V]
Ta=25˚C
Ta=85˚C
6
7