FA3686 Datasheet, PDF (7/18 Pages) List of Unclassifed Manufacturers – For Switching Power Supply Control

FA3686V
Output duty cycle vs. CS voltage (ch. 1)
VCC=3.3V, Ta=25˚C
100
fosc=300kHz
90
fosc=500kHz
fosc=760kHz
80
70
fosc=1.5MHz
60
50
40
30
20
10
0
0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50
VCS1 [V]
Output duty cycle vs. CS voltage (ch. 2)
VCC=3.3V, Ta=25˚C
100
fosc=300kHz
90
fosc=500kHz
80
70
60
fosc=760kHz
50
40
fosc=1.5MHz
30
20
10
0
0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40
VCS2 [V]
Maximum duty cycle vs. oscillation frequency (ch. 1)
VCC=3.3V, Ta=25˚C
95
90
85
80
75
70
65
300
500 700 900 1100 1300
Oscillation frequency [kHz]
1500
Output duty cycle vs. oscillation frequency (ch. 1)
VCC=3.3V, Ta=25˚C
100
90
VCS1=1.30V
80
VCS1=1.25V
70
VCS1=1.20V
VCS1=1.15V
60
VCS1=1.10V
50
VCS1=1.05V
40
VCS1=1.00V
30
VCS1=0.95V
VCS1=0.90V
20
VCS1=0.85V
10
0
300
500 700 900 1100 1300 1500
Oscillation frequency [kHz]
Output duty cycle vs. oscillation frequency (ch. 2)
VCC=3.3V, Ta=25˚C
100
90
VCS2=0.85V
80
VCS2=0.90V
70
VCS2=0.95V
60
VCS2=1.00V
VCS2=1.05V
50
VCS2=1.10V
40
VCS2=1.15V
30
VCS2=1.20V
20
VCS2=1.25V
10
VCS2=1.30V
0
300
500 700 900 1100 1300 1500
Oscillation frequency [kHz]
Maximum duty cycle vs. oscillation frequency (ch. 2)
VCC=3.3V, Ta=25˚C
95
90
85
80
75
70
65
300
500 700 900 1100 1300
Oscillation frequency [kHz]
1500
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