IR3522 International Rectifier, IR3522 Datasheet - Page 15

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IR3522

Manufacturer Part Number
IR3522
Description
DDR & VTT CONTROL IC
Manufacturer
International Rectifier
Datasheet

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

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