ncp5389 ON Semiconductor, ncp5389 Datasheet - Page 17

• Manufacturer Part Number: ncp5389
• Description: 2/3 Phase Buck Controller For Vr11 Pentium Iv Processor Applications
• Manufacturer: ON Semiconductor

Table 2: VR11 VID Codes
13.6
13.4
13.2
13.0
12.8
12.6
800 mV
VID7
1
1
1
1
1
1
0
Figure 4. IC Quiescent Current vs. Ambient
10
400 mV
VID6
T
0
0
0
0
1
1
A
, AMBIENT TEMPERATURE (°C)
20
Temperature
200 mV
VID5
30
1
1
1
1
1
1
0.0198
0.0196
0.0194
0.0192
0.0190
0.0188
0.0186
0.0184
0.0182
0.0180
40
100 mV
0.5
VID4
0
1
1
1
1
1
50
0.6
TYPICAL CHARACTERISTICS
Figure 6. Typical DAC Voltage Offset vs.
0.7
60
50 mV
VID3
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0.8 0.9 1.0 1.1 1.2 1.3 1.4
1
0
0
0
1
1
NCP5389
70
Temperature
17
25 mV
VID2
VID
1
0
0
0
1
1
25°C
70°C
0°C
10
9
8
7
0
Threshold Voltage vs. Ambient Temperature
12.5 mV
Figure 5. VCC Undervoltage Lockout
VID1
10
1
0
0
1
1
1
T
A
, AMBIENT TEMPERATURE (°C)
20
V
1.5 1.6
V
6.25 mV
CC
CC
VID0
Decreasing Voltage
1
0
1
0
0
1
Increasing Voltage
30
Voltage (V)
40
Nominal
0.51875
0.51250
0.50625
0.50000
DAC
OFF
OFF
OFF
50
B3 to FD
60
HEX
AF
FE
B0
B1
B2
FF
70