ISL9305IRTHBCNLZ-T View Datasheet(PDF) - Intersil
Part Name
Description
MFG CO.
ISL9305IRTHBCNLZ-T
Intersil
ISL9305IRTHBCNLZ-T Datasheet PDF : 17 Pages
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ISL9305H
I2C Control Registers
All the registers are reset at initial start-up.
DCD OUTPUT VOLTAGE CONTROL REGISTER
DCD1OUT, address 0x00h; DCD2OUT, address 0x01h
Caution: Disable DCD prior to changing from fixed output voltage
to adjustable output voltage or from adjustable output voltage to
fixed output voltage using I2C.
TABLE 2. BUCK CONVERTERS OUTPUT VOLTAGE CONTROL REGISTER
BIT
NAME
ACCESS
RESET
DESCRIPTION
B7 Reserve
-
0 Refer to Table 3
B6 DCDxOUT-6
R/W
0
B5 DCDxOUT-5
R/W
0
B4 DCDxOUT-4
R/W
1
B3 DCDxOUT-3
R/W
0 Refer to Table 3
B2 DCDxOUT-2
R/W
0
B1 DCDxOUT-1
R/W
0
B0 DCDxOUT-0
R/W
0
DCDOUT
<7:0>
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
DCD OUTPUT
VOLTAGE
(V)
0.825
0.850
0.875
0.900
0.925
0.950
0.975
1.000
1.025
1.050
1.075
1.100
1.125
1.150
1.175
1.200
1.225
1.250
1.275
1.300
1.325
1.350
1.375
1.400
1.425
1.450
1.475
1.500
1.525
1.550
1.575
1.600
TABLE 3. DCD1 AND DCD2 OUTPUT VOLTAGE SETTING
DCDOUT
<7:0>
DCD OUTPUT
VOLTAGE
(V)
DCDOUT
<7:0>
DCD OUTPUT
VOLTAGE
(V)
20
1.625
40
2.425
21
1.650
41
2.450
22
1.675
42
2.475
23
1.700
43
2.500
24
1.725
44
2.525
25
1.750
45
2.550
26
1.775
46
2.575
27
1.800
47
2.600
28
1.825
48
2.625
29
1.850
49
2.650
2A
1.875
4A
2.675
2B
1.900
4B
2.700
2C
1.925
4C
2.725
2D
1.950
4D
2.750
2E
1.975
4E
2.775
2F
2.000
4F
2.800
30
2.025
50
2.825
31
2.050
51
2.850
32
2.075
52
2.875
33
2.100
53
2.900
34
2.125
54
2.925
35
2.150
55
2.950
36
2.175
56
2.975
37
2.200
57
3.000
38
2.225
58
3.025
39
2.250
59
3.050
3A
2.275
5A
3.075
3B
2.300
5B
3.100
3C
2.325
5C
3.125
3D
2.350
5D
3.150
3E
2.375
5E
3.175
3F
2.400
5F
3.200
DCDOUT
<7:0>
60
61
62
63
64
65
66
67
68
69
6A
6B
6C
6D
6E
6F
DCD OUTPUT
VOLTAGE
(V)
3.225
3.250
3.275
3.300
3.325
3.350
3.375
3.400
3.425
3.450
3.475
3.500
3.525
3.550
3.575
3.600
10
FN7724.1
October 5, 2011
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