ZXLD1374(2010) データシートの表示（PDF） - Diodes Incorporated.
部品番号
コンポーネント説明
メーカー
ZXLD1374
(Rev.:2010)
(Rev.:2010)
Diodes Incorporated.
ZXLD1374 Datasheet PDF : 35 Pages
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A Product Line of
Diodes Incorporated
ZXLD1374
Typical Characteristics – Buck-boost mode – RS = 150mΩ - L = 33µH – ILED = 350mA – GIRATIO = 0.23 – with bootstrap
0.3 85
0.3 75
0.3 65
0.3 55
6 LED s
7 LED s
8 LED s
0.3 45
0.3 35
0.3 25
0.3 15
6.5
60 0
50 0
3 LED s
4 LED s
5 LED s
TA = 25°C
L = 33µH
RS = 150mΩ
RGI1 = 36mΩ
RGI2 = 120mΩ
8.0
9.5
11 .0
12 .5
14 .0
15 .5
Input Voltage (V)
Figure 23. LED Current vs. Input Voltage and Number of LED
17 .0
6 LED s
7 LED s
8 LED s
40 0
30 0
5 LED s
4 LED s
3 LED s
20 0
10 0
0
6.5
10 0%
95 %
90 %
TA = 25°C
L = 33µH
RS = 150mΩ
RGI1 = 36kΩ
RGI2 = 120kΩ
8.0
9.5
11 .0
12 .5
14 .0
15 .5
17 .0
Input Voltage (V)
Figure 24. Switching Frequency vs. Input Voltage and Number of LED
TA = 25°C
L = 33µH
RS = 150mΩ
RGI1 = 36KΩ
RGI2 = 120kΩ
85 %
80 %
75 %
8 LED s
7 LED s
6 LED s
5 LED s
4 LED s
3 LED s
70 %
6.5
8.0
9.5
11 .0
12 .5
14 .0
15 .5
Input Voltage (V)
Figure 25. Efficiency vs. Input Voltage and Number of LED
17 .0
ZXLD1374
Document number: DS35032 Rev. 1 - 2
Page 12 of 35
www.diodes.com
October 2010
© Diodes Incorporated
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