FAN2110 Datasheet, PDF (10/17 Pages) Fairchild Semiconductor – TinyBuck™, 3-24V Input, 10A, High-Efficiency, Integrated Synchronous Buck Regulator

Typical Performance Characteristics (Continued)
Typical operating characteristics using the circuit in Figure 10. VIN=12V, VCC=5V, TA=25°C unless otherwise specified.
Peak HS & LS Mosfet Tempr for 1.5V Output
(Measured on Demo Board)
80
70
60
50
40
30
VIN=10V_HS
20
VIN=10V_LS
10
VIN=20V_HS
VIN=20V_LS
0
1
2
3
4
5
6
7
8
9
10
Load Current (A)
3
2.5
2
1.5
1
0.5
0
0
Package Power Dissipation at various Vout(s)
Fsw = 500Khz
Vout = 1.5V
Vout = 1.8V
Vout = 3.3V
2
4
6
8
10
Load Current (Amps)
Figure 18. Peak MOSFET Temperatures, Figure 10 Figure 19. Device Dissipation Over VOUT vs. Load
Line Regulation Data
0.02
0.01
0
5
-0.01
10
15
20
25
-0.02
-0.03
-0.04
No Load
1A Load
Input Voltage (Volts)
Figure 20. 1.5VOUT Line Regulation
Load Regulation
0.05
0
0
2
4
6
8
10
-0.05
-0.1
-0.15
-0.2
-0.25
VIN=10V
VIN=20V
Figure 21.
Load Current (Amps)
1.5VOUT Load Regulation
Peak HS & LS Mosfet Tempr for 3.3V Output
(Measured on Demo Board)
100
Safe Operating Area curves for 70 Deg Temperature rise
VIN = 20V, Natural Convection
12
80
60
40
VIN=10V_HS
20
VIN=10V_LS
VIN=20V_HS
VIN=20V_LS
0
1
2
3
4
5
6
7
8
9
10
Load Current (Amps)
10
8
6
4
300K
2
500K
600K
0
0
2
4
6
8
10
12
14
Output Voltage (Volts)
Figure 22. Peak MOSFET Temperatures, 3.3V Output⁽⁵⁾
Figure 23. Typical 20VIN Safe Operation Area
(SOA), 70°C Ambient Temperature, Natural
Convection
Note:
5. Circuit values for this configuration change in Figure 10.
© 2008 Fairchild Semiconductor Corporation
FAN2110 • Rev. 1.0.2
10
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