ZXLD1352 查看數據表（PDF） - Zetex => Diodes
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ZXLD1352 Datasheet PDF : 22 Pages
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ZXLD1352
Typical operating conditions
For typical application circuit driving 1W Luxeon® white LED(s) at VIN =12V and Tamb=25°C unless
otherwise stated.
100
95
90
85
80
75
70
5
600
500
400
300
200
100
0
5
Efficiency vs No. of LEDs
L=100uH, Rs=0.33 Ohms
10
15
20
25
VIN (V)
Operating Frequency vs Input Voltage
L=100uH, 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
1.2
1
0.8
0.6
0.4
0.2
0
5
8
6
4
1 LED
2 LED
3 LED
2
4 LED
5 LED
0
6 LED
5
7 LED
-2
8 LED
-4
-6
30
-8
Duty Cycle vs Input Voltage
L=100uH, Rs=0.33 Ohms
10
15
20
25
VIN (V)
Output current variation with Supply Voltage
L=100uH, 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 LED
2 LED
3 LED
4 LED
30 5 LED
6 LED
7 LED
Issue 1 - August 2008
8
© Diodes Incorporated 2008
www.zetex.com
www.diodes.com
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