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ISL6334DIRZ Datasheet(PDF) 16 Page - Intersil Corporation

Part # ISL6334DIRZ
Description  VR11.1, 4-Phase PWM Controller with Phase Dropping, Droop Disabled and Load Current Monitoring Features
PDF  28 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6334DIRZ Datasheet(HTML) 16 Page - Intersil Corporation

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16
FN6802.2
August 31, 2010
Output-Voltage Offset Programming
The ISL6334D allows the designer to accurately adjust the
offset voltage. When a resistor, ROFS, is connected between
OFS to VCC, the voltage across it is regulated to 1.6V. This
causes a proportional current (IOFS) to flow into OFS. If
ROFS is connected to ground, the voltage across it is
regulated to 0.4V, and IOFS flows out of OFS. A resistor
between DAC and REF, RREF, is selected so that the
product (IOFS x ROFS) is equal to the desired offset voltage.
These functions are shown in Figure 7.
0
1
1
1
1
0
0
0
0.86250
0
1
1
1
1
0
0
1
0.85625
0
1
1
1
1
0
1
0
0.85000
0
1
1
1
1
0
1
1
0.84375
0
1
1
1
1
1
0
0
0.83750
0
1
1
1
1
1
0
1
0.83125
0
1
1
1
1
1
1
0
0.82500
0
1
1
1
1
1
1
1
0.81875
1
0
0
0
0
0
0
0
0.81250
1
0
0
0
0
0
0
1
0.80625
1
0
0
0
0
0
1
0
0.80000
1
0
0
0
0
0
1
1
0.79375
1
0
0
0
0
1
0
0
0.78750
1
0
0
0
0
1
0
1
0.78125
1
0
0
0
0
1
1
0
0.77500
1
0
0
0
0
1
1
1
0.76875
1
0
0
0
1
0
0
0
0.76250
1
0
0
0
1
0
0
1
0.75625
1
0
0
0
1
0
1
0
0.75000
1
0
0
0
1
0
1
1
0.74375
1
0
0
0
1
1
0
0
0.73750
1
0
0
0
1
1
0
1
0.73125
1
0
0
0
1
1
1
0
0.72500
1
0
0
0
1
1
1
1
0.71875
1
0
0
1
0
0
0
0
0.71250
1
0
0
1
0
0
0
1
0.70625
1
0
0
1
0
0
1
0
0.70000
1
0
0
1
0
0
1
1
0.69375
1
0
0
1
0
1
0
0
0.68750
1
0
0
1
0
1
0
1
0.68125
1
0
0
1
0
1
1
0
0.67500
1
0
0
1
0
1
1
1
0.66875
1
0
0
1
1
0
0
0
0.66250
1
0
0
1
1
0
0
1
0.65625
1
0
0
1
1
0
1
0
0.65000
1
0
0
1
1
0
1
1
0.64375
1
0
0
1
1
1
0
0
0.63750
1
0
0
1
1
1
0
1
0.63125
1
0
0
1
1
1
1
0
0.62500
1
0
0
1
1
1
1
1
0.61875
TABLE 2. VR11 VID 8-BIT (Continued)
VID7 VID6 VID5 VID4 VID3 VID2 VID1 VID0 VOLTAGE
1
0100
000
0.61250
1
0100
001
0.60625
1
0100
010
0.60000
1
0100
011
0.59375
1
0100
100
0.58750
1
0100
101
0.58125
1
0100
110
0.57500
1
0100
111
0.56875
1
0101
000
0.56250
1
0101
001
0.55625
1
0101
010
0.55000
1
0101
011
0.54375
1
0101
100
0.53750
1
0101
101
0.53125
1
0101
110
0.52500
1
0101
111
0.51875
1
0110
000
0.51250
1
0110
001
0.50625
1
0110
010
0.50000
1
1111
110
OFF
1
1111
111
OFF
TABLE 2. VR11 VID 8-BIT (Continued)
VID7 VID6 VID5 VID4 VID3 VID2 VID1 VID0 VOLTAGE
ISL6334D



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