70
75
80
85
90
95
Efficiency - %
V
= 20 V
IN
V
= 12 V
IN
V
= 9 V
IN
0
5
10
15
20
25
30
35
40
45
50
I - Output Current - A
O
V
- Output V
oltage - V
O
0
5
10
15
20
25
30
35
40
45
50
I - Output Current - A
O
1
1.05
1.1
1.15
1.2
1.25
1.3
V
= 12 V
IN
V
= 9 V
IN
V
= 20 V
IN
SPEC(min)
SPEC(max)
SPEC(nom)
CH3: 1.23Vcore
TPS59650EVM
GPU VDIO Turn on
Test condition: 12 Vin, 1.23V/40A
GPU 2 Phase operation
CH2: GSW2
CH4: GPGOOD
CH1: GSW1
CH3: 1.23Vcore
CH1: GSW1
Test condition: 12 Vin, 1.23V/40A
GPU 2 Phase operation
CH2: GSW2
CH4: GPGOOD
TPS59650EVM
GPU VR_ON Turn off
www.ti.com
Performance Data and Typical Characteristic Curves
7.4
GPU 2 Phase Operation
Figure 47. GPU2 Efficiency
Figure 48. GPU2 Load regulation
Figure 49. GPU2 Enable Turn on
Figure 50. GPU2 Enable Turn off
29
SLUU896 – March 2012
Using the TPS59650EVM-753 Intel™ IMVP-7 3-Phase CPU/2-Phase GPU
SVID Power System
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Copyright © 2012, Texas Instruments Incorporated
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