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IR3522MPBF Datasheet(PDF) 15 Page - International Rectifier

Part # IR3522MPBF
Description  XPHASE3TM DDR & VTT CONTROL IC
PDF  32 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3522MPBF Datasheet(HTML) 15 Page - International Rectifier

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IR3522
Page 15
V3.01
VDDR (VREF1) SVID Codes and Resulting VTT Default (50%) Voltage
Hex
VDDR SVID Codes
VDDR, VREF1, VOUT1
Typical Target
VOUT2
00
X000_0000
1.6125
0.80625
01
X000_0001
1.6
0.8
02
X000_0010
1.5875
0.79375
03
X000_0011
1.575
0.7875
04
X000_0100
1.5625
0.78125
05
X000_0101
1.55
0.775
06
X000_0110
1.5375
0.76875
07
X000_0111
1.525
0.7625
08
X000_1000
1.5125
0.75625
09
X000_1001
1.5
0.75
0A
X000_1010
1.4875
0.74375
0B
X000_1011
1.475
0.7375
0C
X000_1100
1.4625
0.73125
0D
X000_1101
1.45
0.725
0E
X000_1110
1.4375
0.71875
0F
X000_1111
1.425
0.7125
10
X001_0000
1.4125
0.70625
11
X001_0001
1.4
0.7
12
X001_0010
1.3875
0.69375
13
X001_0011
1.375
0.6875
14
X001_0100
1.3625
0.68125
15
X001_0101
1.35
0.675
16
X001_0110
1.3375
0.66875
17
X001_0111
1.325
0.6625
18
X001_1000
1.3125
0.65625
19
X001_1001
1.3
0.65
1A
X001_1010
1.2875
0.64375
1B
X001_1011
1.275
0.6375
1C
X001_1100
1.2625
0.63125
1D
X001_1101
1.25
0.625
1E
X001_1110
1.2375
0.61875
1F
X001_1111
1.225
0.6125
20
X010_0000
1.2125
0.60625
21
X010_0001
1.2
0.6
22
X010_0010
1.1875
0.59375
23
X010_0011
1.175
0.5875
24
X010_0100
1.1625
0.58125
25
X010_0101
1.15
0.575
26
X010_0110
1.1375
0.56875
27
X010_0111
1.125
0.5625
28
X010_1000
1.1125
0.55625
29
X010_1001
1.1
0.55
2A
X010_1010
1.0875
0.54375
2B
X010_1011
1.075
0.5375
2C
X010_1100
1.0625
0.53125
2D
X010_1101
1.05
0.525
2E
X010_1110
1.0375
0.51875
2F
X010_1111
1.025
0.5125
x1xx_xxxx
VID OFF, no change in VREF or VTT
Table 2: VDDR Margin Codes and resulting 50% Vtt Tracking
(VIDX pin controlled codes are in Gray)



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