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L99LD21 Datasheet(PDF) 50 Page - STMicroelectronics

Part # L99LD21
Description  High power LED driver for automotive applications
PDF  73 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99LD21 Datasheet(HTML) 50 Page - STMicroelectronics

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SPI functional description
L99LD21
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DS11130 Rev 5
Table 29. Default peak current selection for Buck Cell 1
DEF_DAC1
DAC1 (default value)
IL1_Peak [A]
(HLEDCUR1 = 1)
IL1_Peak [A]
(HLEDCUR1 = 0)
00
100000
0.809
0.402
01
000000
0.362
0.179
10
110001
1.235
0.632
11
111111
1.695
0.849
Table 30. Default VLEDxTOFF Selection for Buck Cell 1
DEF_VLEDTOFF1
VLED_TOFF1
00
1111 (72 V*µs)
01
1011 (40 V*µs)
10
0101 (20 V*µs)
11
0000 (10 V*µs)



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