744770933 データシートの表示（PDF） - Diodes Incorporated.
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744770933 Datasheet PDF : 33 Pages
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ZXLD1370 Buck Mode 750mA Minimum Recommended Inductor
Target Switching frequency > 500kHz
ZXLD1370
15
13
11
9
7
L=100uH
5
L=68uH
3
L=47uH
L=33uH
1
0
10
20
30
40
50
60
Supply Voltage (V)
Figure 22: 750mA Buck mode inductor selection for target frequency > 500kHz
In the case of the Buck-boost topology, the following graphs guide the designer to select the inductor for a target frequency
of 400kHz (figure 23) or higher than 500kHz (figure 24).
ZXLD1370 Buck-Boost Mode 350mA Minimum Recommended Inductor
Target Switching frequency - 400kHz
15
13
11
9
7
L=47uH
5
L=33uH
3
L=22uH
1
0
10
20
30
40
50
60
Supply Voltage (V)
Figure 23: 350mA Buck-Boost mode inductor selection for target frequency 400kHz
ZXLD1370
Document number: DS32165 Rev. 2 - 2
16 of 33
www.diodes.com
May 2010
© Diodes Incorporated
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