FAN2106 Datasheet, PDF (8/14 Pages) Fairchild Semiconductor – TinyBuck 6A, 24V Input Integrated Synchronous Buck Regulator

Application Circuit
Figure 10. Application Circuit: 1.8V_OUT, 500KHz
Typical Performance Characteristics
Typical operating characteristics using the circuit shown in Figure 10. V_IN=16V, V_CC=5V, unless otherwise specified.
100
1400
95
90
85
80
75
8V_IN 12V_IN 18V_IN
Power Saving Mode, 12V_IN
70
0
1
2
3
4
5
6
Load (A)
Figure 11. 1.8V_OUT Efficiency Over V_IN vs. Load
100
1200
1000
800
600
400
200
8V_IN 12V_IN 18V_IN
Power Saving Mode, 12V_IN
0
0
1
2
3
4
5
6
Load (A)
Figure 12. 1.8V_OUT Dissipation Over V_IN vs. Load
100
95
95
90
90
85
85
V_IN=12V
80
80
300KHz 500KHz 700KHz
75
75
8V_IN, 300KHz
12V_IN, 500KHz
18V_IN, 700KHz
70
70
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Load (A)
Load (A)
Figure 13. 1.8V_OUT Efficiency Over Frequency vs.
Load (Circuit Value Changes)
Figure 14. 3.3V_OUT Efficiency vs. Load
(Circuit Value Changes)
© 2006 Fairchild Semiconductor Corporation
FAN2106 Rev. 1.0.1
8
www.fairchildsemi.com