LP5520TL NSC [National Semiconductor], LP5520TL Datasheet - Page 12

• Manufacturer Part Number: LP5520TL
• Description: RGB Backlight LED Driver
• Manufacturer: NSC [National Semiconductor]

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4a
4b
4c
4d
4e
50
51
52
53
54
55
56
57
58
59
5a
5b
5c
5d
5e
60
61
62
70
71
72
73
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75
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77
78
79
7a
7b
7c
7d
7e
4f
5f
...
6f
7f
LM20B[11:8]
GB9[11:8]
GB7[11:8]
GB5[11:8]
GB3[11:8]
GB1[11:8]
RB9[11:8]
RB7[11:8]
RB5[11:8]
RB3[11:8]
RB1[11:8]
BB9[11:8]
BB7[11:8]
BB5[11:8]
BB3[11:8]
BB1[11:8]
Bits [7:4]
GREEN_CUR
BLUE_CUR
RED_CUR
GC0[7:0]
GC1[7:0]
GC2[7:0]
GC3[7:0]
GC4[7:0]
GC5[7:0]
GC6[7:0]
GC7[7:0]
GC8[7:0]
GC9[7:0]
BC0[7:0]
BC1[7:0]
BC2[7:0]
BC3[7:0]
BC4[7:0]
BC5[7:0]
BC6[7:0]
BC7[7:0]
BC8[7:0]
BC9[7:0]
SHF[7:0]
LM20K[11:8]
GB8[11:8]
GB6[11:8]
GB4[11:8]
GB2[11:8]
GB0[11:8]
BB8[11:8]
BB6[11:8]
BB4[11:8]
BB2[11:8]
BB0[11:8]
RB8[11:8]
RB6[11:8]
RB4[11:8]
RB2[11:8]
RB0[11:8]
Bits [3:0]
Coefficient PWM-value for green
Coefficient PWM-value for blue
12
Base PWM-value for green (high bits)
Base PWM-value for blue (high bits)
Base PWM-value for red (high bits)
Scaling values for LM20 sensor
Green LED current
Self heating factor
Blue LED current
Red LED current
Definition
Not used
From +104
From +104
+88...+103
+88...+103
+24...+39
+40...+55
+56...+71
+72...+87
+24...+39
+40...+55
+56...+71
+72...+87
-40...-25
+8...+23
-40...-25
+8...+23
-24...-9
-24...-9
-8...+7
-8...+7