744770933 Просмотр технического описания (PDF) - Diodes Incorporated.
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744770933 Datasheet PDF : 33 Pages
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A Product Line of
Diodes Incorporated
Typical Characteristics – Buck Mode – RS = 150mΩ – L = 33µH - ILED = 1.5A
1.5 00
1 LED
3 LEDs 5 LEDs
7 LEDs 9 LEDs 11 LEDs 13 LEDs 15 LEDs
1.4 90
ZXLD1370
1.4 80
1.4 70
1.4 60
1.4 50
1.4 40
1.4 30
6.5 11
15.5 20
24 .5
29 33.5 38
Input Voltage (V)
42.5 47
51.5 56 60.5
Figure 1: Load Current vs. Input Voltage & Number of LED
10 00
90 0
80 0
70 0
1 LED
3 LEDs
TA = 25°C
VAU X = VIN
5 LE Ds
7 LEDs
9 LEDs
11 LE Ds
13 LEDs
15 LEDs
60 0
50 0
40 0
30 0
20 0
10 0
0
6.5 11 15.5 20 24.5 29 33.5 38 42.5 47 51.5 56 60.5
Input Voltage (V)
Figure 2: Frequency vs. Input Voltage & Number of LED
10 0%
95 %
90 %
85 %
80 %
75 %
70 %
65 %
60 %
6.5 11
15 .5
20 24.5 29 33.5 38 42.5 47
Input Voltage (V)
Figure 3: Efficiency vs. Input & Number of LED
51.5 56 60.5
ZXLD1370
Document number: DS32165 Rev. 2 - 2
6 of 33
www.diodes.com
May 2010
© Diodes Incorporated
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