Datasheet

0
10
20
30
40
50
60
70
80
90
100
Efficiency - %
0.001 0.01 0.1 1 10 100
I - Output Current - A
O
V = 9 V
I
V = 12 V
I
V = 20 V
I
1.14
1.16
1.18
1.20
1.22
1.24
1.26
0 2 4 6 8 10 12 14 16
I - Output Current - A
O
V = 9 V
I
V = 12 V
I
V = 20 V
I
V - Output Voltage - V
O
TPS59640EVM
VDDQ Output S5 Start up
Test Condition: 12Vin, 1.2V/15A
CH1: VDDQ S5
CH2: VTTREF
CH3: VDDQ
CH4: VDDQ_PG
CH4: VDDQ_PG
CH3: VDDQ
CH2: VTTREF
CH1: VDDQ S5
TPS59640EVM
VDDQ Output S5 Shutdown
Test Condition: 12Vin, 1.2V/15A
www.ti.com Performance Data and Typical Characteristic Curves
8.6 1.2 VDDQ
Figure 83. 1.2-V Efficiency Figure 84. 1.2-V Load Regulation
Figure 85. 1.2-V Enable Turnon Figure 86. 1.2-V Enable Turnoff
51
SLUU796– January 2012 Using the TPS59640EVM-751 IMVP-7, 3-Phase CPU/1-Phase GPU SVID
Power System
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