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NUD4301 Datasheet(数据表) 4 Page - ON Semiconductor

部件型号  NUD4301
说明  Dual Low Dropout Voltage LED Driver/Current Source
下载  6 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

NUD4301 Datasheet(HTML) 4 Page - ON Semiconductor

  NUD4301 数据表 HTML 1Page - ON Semiconductor NUD4301 数据表 HTML 2Page - ON Semiconductor NUD4301 数据表 HTML 3Page - ON Semiconductor NUD4301 数据表 HTML 4Page - ON Semiconductor NUD4301 数据表 HTML 5Page - ON Semiconductor NUD4301 数据表 HTML 6Page - ON Semiconductor  
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NUD4301
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4
TYPICAL PERFORMANCE CURVES
(TA = 255C, unless otherwise noted)
ILED1
ILED2
Figure 3. Current Limit Adjustment
Figure 4. Typical Line Regulation Performance
(VLED = 3.4 V, Rsense = 4.7 W)
Rsense (W)
VCC (V)
100
10
1
1
10
100
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
5.0
10
15
20
25
Figure 5. Typical Current Regulation vs. Vdrop
(Vdrop = VDS + VRsense)
Vdrop (V)
0.30
0.15
0.10
0.05
0
0
5.0
10
15
20
0.20
0.25
ILED1
ILED2
ILED1
ILED2
Figure 6. Typical Current Regulation vs. Vdim
(VLED = 3.4 V, Rsense = 4.7 W)
Vdim (V)
3.6
1.8
1.5
1.2
0.9
0.6
0.3
0
0
5000
10000
15000
20000
2.1
3.0 3.3
2.4 2.7




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