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STCF03I 数据表(PDF) 5 Page - STMicroelectronics

部件名 STCF03I
功能描述  High power white LED driver with I짼C interface
Download  33 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STCF03I 数据表(HTML) 5 Page - STMicroelectronics

  STCF03I Datasheet HTML 1Page - STMicroelectronics STCF03I Datasheet HTML 2Page - STMicroelectronics STCF03I Datasheet HTML 3Page - STMicroelectronics STCF03I Datasheet HTML 4Page - STMicroelectronics STCF03I Datasheet HTML 5Page - STMicroelectronics STCF03I Datasheet HTML 6Page - STMicroelectronics STCF03I Datasheet HTML 7Page - STMicroelectronics STCF03I Datasheet HTML 8Page - STMicroelectronics STCF03I Datasheet HTML 9Page - STMicroelectronics Next Button
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STCF03I
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List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 2.
Pin connections (bottom view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 3.
Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 4.
Procedure for assigning a non-default I²C address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 5.
Data validity on the I²C Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 6.
Timing diagram on I²C Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 7.
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 8.
Acknowledge on I²C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 9.
Writing to a single register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 10.
Writing to multiple registers with incremental addressing . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 11.
Reading from a single register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 12.
Reading from multiple registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 13.
Flash and Torch current vs. dimming value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 14.
VOUTOK_N behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 15.
Flash current vs F_DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 16.
Torch current vs T_DIMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 17.
Aux current vs AUXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 18.
Flash current vs temp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 19.
VFB2 Flash vs temp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 20.
IQ vs temp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 21.
Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 22.
Start-Up in Flash mode 800 mA at VI = 3.6 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 23.
Line transient in Flash mode 800 mA, change of VI from 2.7 V to 3.3 V in 10 µs . . . . . . . 28


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