Datasheet

65
70
75
80
85
90
95
Efficiency - %
0 5 10 15 20 25 30 35 40 45 50 55
I - Output Current - A
O
V = 12 V
I
V = 20 V
I
V = 9 V
I
0.85
0.9
0.95
1
1.05
1.1
V - Output Voltage - V
O
0 5 10 15 20 25 30 35 40 45 50 55
I - Output Current - A
O
12 Vin Vout - V
SPEC - min
SPEC - nom
SPEC - max
20 Vin Vout - V
9 Vin Vout - V
TPS59640EVM
CPU VR_ON Turn on
CH1: CSW1
CH2: CSW2
CH3: Vcore
CH4: CPGOOD
Test condition: 12 Vin, 105 V 50 A
CPU 3 Phase operation
TPS59640EVM
CPU VDIO Turn on
CH1: CSW1
CH2: CSW2
CH3: Vcore
CH4: CPGOOD
Test condition: 12 Vin, 105 V 50 A
CPU 2 Phase operation
Performance Data and Typical Characteristic Curves www.ti.com
8.2 CPU 2-Phase Operation
Figure 33. CPU2 Efficiency Figure 34. CPU2 Load Regulation
Figure 35. CPU2 Enable Turnon Figure 36. CPU2 Enable Turnoff
36
Using the TPS59640EVM-751 IMVP-7, 3-Phase CPU/1-Phase GPU SVID SLUU796–January 2012
Power System
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