ADP3208C
400
350
VARFREQ = 0V
300
250
VARFREQ = 5V
200
150
100
50
0
0.25
RT = 187kΩ
2 Phase Mode
0.5
0.75
1
1.25
1.5
VID OUTPUT VOLTAGE (V)
Figure 12. Switching Frequency vs. VID Output Voltage in PWM Mode
350
300
250
200
150
100
50
RT = 237kΩ
RPM = 80.5kΩ
0
0
0.5
1.0
1.5
OUTPUT VOLTAGE (V)
Figure 13. Switching Frequency vs. Output Voltage in RPM Mode
1200
1000
800
600
400
200
0
0
20
40
60
80
OUTPUT POWER (W)
Figure 14. IMON Voltage vs. Output Current
1000
VID = 1.4125V
VID = 1.2125V
VID = 1.1V
VID = 0.8125
VID = 0.6125
2 Phase Configuration
100
10
100
Rt RESISTANCE (kΩ)
1000
Figure 15. Per Phase Switching Frequency vs. RT Resistance
1.05
1 Phase
PSI = Low
1
+2%
2 Phase
PSI = High
0.95
-2%
0.9
0.85
0
10
20
30
40
50
Load (A)
Figure 16. Load Line Accuracy
0.8
0.6
0.4
0.2
VDC = 12V
EN = LOW
0
0
1
2
3
4
5
6
VCC VOLTAGE (V)
Figure 17. VCC Current vs. VCC Voltage with Enable Low
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