Datasheet
XL1507
3A 150KHz 40V Buck DC to DC Converter
XL1507 Series Buck Regulator Design Procedure (Adjustable Output)
Output
Voltage
(V)
Through Hole Output Electrolytic
Surface Mount Output Capacitor
Panasonic
HFQ Series
(uf/V)
Nichicon
PL Series
(uf/V)
Feedforward AVX TPS
Sprague
595D Series
(uf/V)
Feedforward
Capacitor
Series
(uf/V)
330/6.3
330/6.3
220/10
100/16
100/16
68/20
Capacitor
2
820/35
560/35
470/25
330/25
330/25
220/25
220/35
100/50
820/35
470/35
470/35
330/25
330/25
220/35
150/35
100/50
33nf
470/4
33nf
4
10nf
390/6.3
330/10
180/16
180/16
120/20
33/25
10nf
6
3.3nf
1.5nf
1nf
3.3nf
1.5nf
1nf
9
12
15
24
28
680pf
560pf
390pf
680pf
220pf
220pf
33/25
10/35
15/50
Schottky Diode Selection Table
Current Surface Through VR (The same as system maximum input voltage)
Mount Hole
20V
30V
40V
50V
60V
1N5817
1N5818
1N5819
1A
3A
√
1N5820
MBR320
SK32
1N5821
MBR330
SK33
1N5822
√
√
MBR340 MBR350
SK34 SK35
MBR360
SK36
√
√
30WQ03
31DQ03
SR303
30WQ04 30WQ05
31DQ04 31DQ05
√
√
SR302
SR304
SR305
SR306
1N5823
SR502
SB520
1N5824
SR503
1N5825
SR504
SB540
√
√
√
SR505
SB550
SR506
SB560
5A
SB530
50WQ03
50WQ04 50WQ05
√
Rev 2.0
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ETC [ ETC ]
