744770933 Ver la hoja de datos (PDF) - Diodes Incorporated.
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744770933 Datasheet PDF : 33 Pages
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A Product Line of
Diodes Incorporated
ZXLD1370
Typical Characteristics – Buck-Boost mode – RS=150mΩ - ILED = 350mA - GIRATIO = 0.23
0.3 70
3 LEDs
4 LEDs
5 LEDs
6 LEDs
7 LEDs
8 LEDs
0.3 65
0.3 60
0.3 55
0.3 50
0.3 45
0.3 40
0.3 35
0.3 30
6.5
80 0
70 0
8
9.5
11
12 .5
14
15 .5
17
Input Voltage (V)
Figure 10: LED Current vs. Input Voltage & Number of LED
3 LEDs
4 LEDs
5 LEDs
6 LEDs
7 LEDs
8 LEDs
60 0
50 0
40 0
30 0
20 0
10 0
0
6.5
10 0%
95 %
90 %
8
9.5
11
12 .5
14
15 .5
17
Input Voltage (V)
Figure 11: Switching Frequency vs. Input Voltage & Number of LED
3 L EDs
4 L EDs
5 L EDs
6 L EDs
7 L EDs
8 L EDs
85 %
80 %
75 %
70 %
65 %
60 %
6.5
8
9.5
11
12 .5
14
15 .5
17
Input Voltage (V)
Figure 12: Efficiency vs. Input Voltage & Number of LED
ZXLD1370
Document number: DS32165 Rev. 2 - 2
9 of 33
www.diodes.com
May 2010
© Diodes Incorporated
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