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LDS8160 Datasheet(PDF) 10 Page - IXYS Corporation

Part No. LDS8160
Description  Dual-Output RGB / 6-Channel WLED Driver
Download  39 Pages
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Maker  IXYS [IXYS Corporation]
Homepage  http://www.ixys.com
Logo IXYS - IXYS Corporation

LDS8160 Datasheet(HTML) 10 Page - IXYS Corporation

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LDS8160
© 2009 IXYS Corp.
10
Doc. No. 8160_DS, Rev. N1.0
Characteristics subject to change without notice
Table 6: Offset Codes for Tj-Ta Temperature Gradient Offset (both LED and Si per Table 5).
Temperature
Offset
0C
(Ta-Tj)
Bit3 –
Bit 0
Temperature
Offset
0C
(Ta-Tj)
Bit3 –
Bit 0
Temperature
Offset
0C
(Ta-Tj)
Bit3 –
Bit 0
Temperature
Offset
0C
(Ta-Tj)
Bit3 –
Bit 0
-40
1000
-20
1100
0
0000
20
0100
-35
1001
-15
1101
5
0001
25
0101
-30
1010
-10
1110
10
0010
30
0110
-25
1011
-5
1111
15
0011
35
0111
Table 7: T-code values vs. Temperature (for registers 4Ah and 4Bh)
Temperature,
0C
Bit4 – Bit 0
Temperature,
0C
Bit4 – Bit 0
Temperature,
0C
Bit4 – Bit 0
Temperature,
0C
Bit4 – Bit
0
-35
00000
5
01000
45
10000
85
11000
-30
00001
10
01001
50
10001
90
11001
-25
00010
15
01010
55
10010
95
11010
-20
00011
20
01011
60
10011
100
11011
-15
00101
25
01100
65
10100
105
11100
-10
00101
30
01101
70
10101
110
11101
-5
00110
35
01110
75
10110
115
11110
0
00111
40
01111
80
10111
120
11111
Table 8:
ΔPWM Code Allocation
Data bits
Data bits
7 – 4
3 – 0
7 – 4
3 – 0
Register
Address
ΔPWM code for
temperature,
0C
Register
Address
ΔPWM code for
temperature,
0C
50h, 60h, 70h
-30
-35
58h, 68h, 78h
50
45
51h, 61h, 71h
-20
-25
59h, 69h, 79h
60
55
52h, 62h, 72h
-10
-15
5Ah, 6Ah, 7Ah
70
65
53h, 63h, 73h
0
-5
5Bh, 6Bh, 7Bh
80
75
54h, 64h, 74h
10
5
5Ch, 6Ch, 7Ch
90
85
55h, 65h, 75h
20
15
5Dh, 6Dh, 7Dh
100
95
56h, 66h, 76h
30
25
5Eh, 6Eh, 7Eh
110
105
57h, 67h, 77h
40
35
5Fh, 6Fh, 7Fh
120
115
Table 9:
ΔPWM Codes vs. Number of Adjustment Steps
Number of
steps
Binary
Code
Number of
steps
Binary
Code
Number of
steps
Binary
Code
Number of
steps
Binary
Code
Not Valid
1000
-4
1100
0
0000
4
0100
-7
1001
-3
1101
1
0001
5
0101
-6
1010
-2
1110
2
0010
6
0110
-5
1011
-1
1111
3
0011
7
0111


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