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ISL6590DR Datasheet(PDF) 9 Page - Intersil Corporation

Part # ISL6590DR
Description  Digital Multi-Phase PWM Controller for Core-Voltage Regulation
PDF  24 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6590DR Datasheet(HTML) 9 Page - Intersil Corporation

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9
VID Map
VID
Control of the output voltage of the regulator is set from the
external six bit VID [5:0] input pins. After power-up, the VID
inputs are sampled and this value is used as the final output
voltage for the Soft Start process. After Soft Start is
complete, the internal VID setting may be changed by
modifying the external six bit VID [5:0] input pins or via the
host interface write to the internal VID register. To allow for
host interface control of VID requires that a separate register
is needed for the value of the external VID input pins. This is
needed to separately track changes to the VID set by the
host interface and the VID set from the external pins. The
same method of output voltage stepping that is used in the
Soft Start process is also applied to dynamic VID changes.
Custom VID
The ISL6590 has additional registers for a custom VID table
to be created and stored in memory locations 0940-097F.
TABLE 1. VOLTAGE IDENTIFICATION (VID)
VOUT (V)
VID5
VID4
VID3
VID2
VID1
VID0
0.8375
0
0
1
0
1
0
0.8500
1
0
1
0
0
1
0.8625
0
0
1
0
0
1
0.8750
1
0
1
0
0
0
0.8875
0
0
1
0
0
0
0.9000
1
0
0
1
1
1
0.9125
0
0
0
1
1
1
0.9250
1
0
0
1
1
0
0.9375
0
0
0
1
1
0
0.9500
1
0
0
1
0
1
0.9625
0
0
0
1
0
1
0.9750
1
0
0
1
0
0
0.9875
0
0
0
1
0
0
1.0000
1
0
0
0
1
1
1.0125
0
0
0
0
1
1
1.0250
1
0
0
0
1
0
1.0375
0
0
0
0
1
0
1.0500
1
0
0
0
0
1
1.0625
0
0
0
0
0
1
1.0750
1
0
0
0
0
0
1.0875
0
0
0
0
0
0
OFF
1
11
111
OFF
0
11
111
1.1000
1
1
1
1
1
0
1.1125
0
1
1
1
1
0
1.1250
1
1
1
1
0
1
1.1375
0
1
1
1
0
1
1.1500
1
1
1
1
0
0
1.1625
0
1
1
1
0
0
1.1750
1
1
1
0
1
1
1.1875
0
1
1
0
1
1
1.2000
1
1
1
0
1
0
VOUT (V)
VID5
VID4
VID3
VID2
VID1
VID0
1.2125
01
1010
1.2250
11
1001
1.2375
01
1001
1.2500
11
1000
1.2625
01
1100
1.2750
11
0111
1.2875
01
0111
1.3000
11
0110
1.3125
01
0110
1.3250
11
0101
1.3375
01
0101
1.3500
11
0100
1.3625
01
0000
1.3750
11
0011
1.3875
01
0011
1.4000
11
0010
1.4125
01
0010
1.4250
11
0001
1.4375
01
0001
1.4500
11
0000
1.4625
01
0100
1.4750
10
1111
1.4875
00
1111
1.5000
10
1110
1.5125
00
1110
1.5250
10
1101
1.5375
00
1101
1.5500
10
1100
1.5625
00
1000
1.5750
10
1011
1.5875
00
1011
1.6000
10
1010
ISL6590



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