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STCS1 데이터시트(PDF) 11 Page - STMicroelectronics

부품명 STCS1
상세설명  1.5 A max constant current LED driver
PDF  17 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STCS1 데이터시트(HTML) 11 Page - STMicroelectronics

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STCS1
Application information
11/17
– Package: DFN8 3x3 mm;
–TA = 50°C;
In this case VDRAIN = 12 - 3 x 3.6 = 1.2 V
PD = (1.2 - 0.1) x 0.5 + 12 x 0.5 x 10
-3 = 0.55 + 6 x 10-3 = 556 mW
The junction temperature will be:
TJ = 37.6 x 0.556 + 50 = 70.9°C.
The following pictures show the maximum power dissipation according to the ambient
temperature for both packages:
Figure 12.
Maximum power dissipation vs TA
for DFN8 3x3mm
Figure 13.
Maximum power dissipation vs TA
for PowerSO-8
0.00
0.50
1.00
1.50
2.00
2.50
25
35
45
55
65
75
85
[°C]
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
1.60
1.80
2.00
25
35
45
55
65
75
85
[°C]



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