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STLED25 Datasheet(PDF) 21 Page - STMicroelectronics

Part # STLED25
Description  5 channels step-up white LED driver
PDF  30 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLED25 Datasheet(HTML) 21 Page - STMicroelectronics

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STLED25
Application information
Doc ID 022323 Rev 3
21/30
7.2
Recommended PCB layout
The STLED25 is a high-frequency power switching device, so it requires a proper PCB
layout in order to obtain the necessary stability and optimize line/load regulation and output
voltage ripple. Input and output capacitors must be as close as possible to their relative pins.
Figure 20.
Top layer
Table 8.
Input and output capacitor
Manufacturer
Part number
Nominal
capacitance [µF]
Rated voltage [V]
TCC
Size [mm]
CIN
Murata
GRM155R60J155M
1.5
6.3
0402
Samsung
CL05A225MQ5NSKC
2.2
6.3
0402
COUT
Murata
GRM219R61A106ME47
10
10
0805



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