ZXLD1350 查看數據表（PDF） - Zetex => Diodes
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ZXLD1350 Datasheet PDF : 24 Pages
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ZXLD1350
Typical operating conditions (continued)
100
95
90
85
80
75
5
Efficiency vs No. of LEDs
L=220uH, Rs=0.33 Ohms
10
15
20
25
VIN (V)
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
8 LED
30
1
0.8
0.6
0.4
0.2
0
5
350
300
250
200
150
100
50
0
5
Operating Frequency vs Input Voltage
L=220uH, Rs=0.33 Ohms
10
15
20
25
VIN (V)
2
1
0
1 LED
5
2 LED
3 LED
-1
4 LED
5 LED
-2
6 LED
7 LED
-3
8 LED
-4
-5
30
-6
Duty Cycle vs Input Voltage
L=220uH, Rs=0.33 Ohms
10
15
20
25
VIN (V)
Output Current Variation vs Input Voltage
L=220uH, Rs=0.33 Ohms
10
15
20
25
VIN (V)
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
8 LED
30
30
1 LED
2 LED
3 LED
4 LED
5 LED
6 LED
7 LED
8 LED
Issue 6 - April 2007
10
© Zetex Semiconductors plc 2007
www.zetex.com
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