Datasheet

70
75
80
85
90
95
Efficiency - %
0 5 10 15 20 25 30 35
I - Output Current - A
O
V = 12 V
I
V = 20 V
I
V = 9 V
I
0.9
0.95
1
1.05
1.1
V - Output Voltage - V
O
0 5 10 15 20 25 30 35
I - Output Current - A
O
12 Vin Vout - V
SPEC - min
SPEC - nom
SPEC - max
20 Vin Vout - V
9 Vin Vout - V
Test Condition: 12Vin, 1.05V/0A
CPU 1 Phase operation
TPS59640EVM
CPU VDIO Turn on
CH1: VDIO
CH2: CSW1
CH3: Vcore
CH4: CPGOOD
TPS59640EVM
CPU VR_ON Turn off
CH1: VR_ON
CH2: CSW1
CH3: Vcore
CH4: CPGOOD
Test Condition: 12Vin, 1.05V/20A
CPU 1 Phase operation
Performance Data and Typical Characteristic Curves www.ti.com
8.3 CPU 1-Phase Operation
Figure 46. CPU1 Efficiency Figure 47. CPU1 Load Regulation
Figure 48. CPU1 Enable Turnon Figure 49. CPU1 Enable Turnoff
40
Using the TPS59640EVM-751 IMVP-7, 3-Phase CPU/1-Phase GPU SVID SLUU796–January 2012
Power System
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