Datasheet

65
70
75
80
85
90
95
0 10 20 30 40 50 60 70 80 90 100
Efficiency - %
I - Output Current - A
O
V = 9 V
I
V = 20 V
I
V = 12 V
I
0.8
0.85
0.9
0.95
1
1.05
1.1
0 10 20 30 40 50 70 80 90 100
I - Output Current - A
O
9 Vin Vout (V)
SPEC (nom)
60
I - Output Voltage - V
O
SPEC (max)
12 Vin Vout (V)
20 Vin Vout (V)
SPEC (min)
TPS59640EVM
CPU VR_IO Turn off
Test condition: 12 Vin, 105 V 90 A
CPU 3 Phase operation
CH1: CSW1
CH2: CSW2
CH3: Vcore
CH4: CPGOOD
TPS59640EVM
CPU VDIO Turn on
Test condition: 12 Vin, 105 V 90 A
CPU 3 Phase operation
CH1: CSW1
CH2: CSW2
CH3: Vcore
CH4: CPGOOD
Performance Data and Typical Characteristic Curves www.ti.com
8 Performance Data and Typical Characteristic Curves
Figure 20 through Figure 91 present typical performance curves for TPS59640EVM-751. Jumpers are set
to default locations; see Section 6 of this user’s guide
8.1 CPU3-Phase Operation
Figure 20. CPU3 Efficiency Figure 21. CPU3 Load Regulation
Figure 22. CPU3 Enable Turnon Figure 23. CPU3 Enable Turnoff
32
Using the TPS59640EVM-751 IMVP-7, 3-Phase CPU/1-Phase GPU SVID SLUU796–January 2012
Power System
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