Datasheet

Test Condition: 12Vin, 1.23V/30A
GPU operation
TPS59640EVM
GPU Output Ripple
CH1: GSW
CH2: G_Vcore Ripple
Test Condition: 12Vin, 1.23V/30A
GPU operation
TPS59640EVM
GPU Switching Node
CH1: GSW
CH3: G_Vcore
TPS59640EVM
Dynamic VID: Set VID-Slow/Set VID-Slow
Test Condition:12Vin,VID: 1.23V-0.6V, 0.5A
GPU 2 Phase operation
CH1: VDIO
CH2: GSW
CH4: GPGOOD
TPS59640EVM
Dynamic VID: Set VID-Fast/Set VID-Fast
Test Condition: 12Vin,VID: 1.23V-0.6V, 0.5A
GPU operation
CH4: GPGOOD
CH2: GSW
CH1: VDIO
CH3: G_Vcore
www.ti.com Performance Data and Typical Characteristic Curves
Figure 64. GPU Switching Node Figure 65. GPU Switching Node and Ripple
Figure 66. GPU Dynamic VID: SetVID-Slow/Slow Figure 67. GPU Dynamic VID: SetVID-Fast/Fast
45
SLUU796– January 2012 Using the TPS59640EVM-751 IMVP-7, 3-Phase CPU/1-Phase GPU SVID
Power System
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