Typical Characteristics
VIN = 12V, VCIN = 5V, TA = 25°C unless otherwise noted.
35
30
25
20
15
10 VIN = 12V
VOUT = 1.3V
5 fSW = 1MHz
L = 0.33uH
0
0
25
50
75
100
125
150
PCB Temperature, oC
Figure 6. Safe Operating Area
10
VIN = 12V
VOUT = 1.3V
8 L = 0.33uH
6
fSW = 1MHz
4
2
fSW = 500KHz
0
0
5
10
15
20
25
30
ILOAD, A
Figure 7. Module Power Loss vs. Output Current
1.10
1.00
VIN = 12V
VOUT = 1.3V
IOUT = 30A
L = 0.33uH
1.15
1.10
0.90
1.05
0.80
0.70
300 400 500 600 700 800 900 1000 1100 1200
fSW, KHz
1.00
VOUT = 1.3V
IOUT = 30A
L = 0.33uH
fSW = 1MHz
0.95
6
8
10
12
14
16
Input Voltage, V
Figure 8. Power Loss vs. Switching Frequency
Figure 9. Power Loss vs. Input Voltage
1.15
1.10
1.6
VIN = 12V
IOUT = 30A
L = 0.33uH
1.4 fSW = 1MHz
1.05
1.2
1.00
VIN = 12V
VOUT = 1.3V
IOUT = 30A
L = 0.33uH
fSW = 1MHz
0.95
4.5
5.0
5.5
Driver Supply Voltage, V
1.0
0.8
6.0
0.8
1.2
1.6
2.0
2.4
2.8
3.2
Output Voltage, V
Figure 10. Power Loss vs. Driver Supply Voltage
Figure 11. Power Loss vs. Output Voltage
6
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FDMF8704 Rev. F2