Typical Performance Characteristics
Typical characteristics are provided at 25°C, V DD = 12V, and V XREF = 3.3V unless otherwise noted.
2.5
2.5
2.0
1.5
1.0
0.5
0.0
FAN3111C
Inputs Floating, Output Low
2.0
1.5
1.0
0.5
0.0
FAN3111E
Inputs Floating, Output Low
4
6
8
10
12
14
16
18
4
6
8
10
12
14
16
18
Supply Voltage (V)
Supply Voltage (V)
Figure 7.
I DD (Static) vs. Supply Voltage
Figure 8.
I DD (Static) vs. Supply Voltage
FAN3111C
V DD = 15V
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0 0
FAN3111C
V DD = 12V
V DD = 8V
V DD = 4.5V
200 400 600
800
1000
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
FAN3111E
V DD = 8V
V DD = 4.5V
200
V DD = 15V
V DD = 12V
400 600
800
1000
Sw itching Frequency (kHz)
Sw itching Frequency (kHz)
Figure 9.
I DD (No-Load) vs. Frequency
Figure 10.
I DD (No-Load) vs. Frequency
9
8
FAN3111C
V DD = 15V
9
8
FAN3111E
V DD = 15 V
7
6
5
4
3
2
1
0
V DD = 12V
V DD = 8V
V DD = 4.5V
7
6
5
4
3
2
1
0
V DD = 12 V
V DD = 8 V
V DD = 4.5 V
0
200
400
600
800
1000
0
200
400
600
800
1000
Sw itching Frequency (kHz)
Sw itching Frequency (kHz)
Figure 11.
I DD (470pF Load) vs. Frequency
Figure 12.
I DD (470pF Load) vs. Frequency
? 2008 Fairchild Semiconductor Corporation
FAN3111 ? Rev. 1.0.3
7
www.fairchildsemi.com
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