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LP8556 Datasheet(PDF) 22 Page - Texas Instruments

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Part # LP8556
Description  High-Efficiency LED Backlight Driver for Tablets
PDF  52 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP8556 Datasheet(HTML) 22 Page - Texas Instruments

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LP8556
SNVS871B – JULY 2012 – REVISED SEPTEMBER 2012
www.ti.com
Table 4. Configuring PWM Dimming Frequency via EPROM
RFSET [kΩ]
PWM_FSET_EN
PWM_FREQ[3:0]
fPWM [Hz] (Resolution)
0000
4808 (12-bit)
0001
6010 (11-bit)
0010
7212 (11-bit)
0011
8414 (11-bit)
0100
9616 (11-bit)
0101
12020 (10-bit)
0110
13222 (10-bit)
0111
14424 (10-bit)
don't care
0
1000
15626 (10-bit)
1001
16828 (10-bit)
1010
18030 (10-bit)
1011
19232 (10-bit)
1100
24040 (9-bit)
1101
28848 (9-bit)
1110
33656 (9-bit)
1111
38464 (9-bit)
(1)
1
don't care
(1)
(1)
See Table 5
22
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Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: LP8556



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