參數(shù)資料
型號： LM2576-12MWC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, UUC
封裝： WAFER
文件頁數(shù)： 6/27頁
文件大?。?/td> 741K
代理商： LM2576-12MWC
LM2576 Series Buck Regulator Design Procedure (Continued)
To further simplify the buck regulator design procedure, National Semiconductor is making available computer design software to
be used with the SIMPLE SWITCHER line of switching regulators. Switchers Made Simple (Version 3.3) is available on a (312")
diskette for IBM compatible computers from a National Semiconductor sales office in your area.
V
R
Schottky
Fast Recovery
3A
4A–6A
3A
4A–6A
20V
1N5820
1N5823
The following
diodes are all
rated to 100V
31DF1
HER302
The following
diodes are all
rated to 100V
50WF10
MUR410
HER602
MBR320P
SR302
30V
1N5821
50WQ03
MBR330
1N5824
31DQ03
SR303
40V
1N5822
MBR340
50WQ04
31DQ04
1N5825
SR304
50V
MBR350
50WQ05
31DQ05
SR305
60V
MBR360
50WR06
DQ06
50SQ060
SR306
FIGURE 8. Diode Selection Guide
Inductor
Schott
Pulse Eng.
Renco
Code
Value
(Note 12)
(Note 13)
(Note 14)
L47
47 H
671 26980
PE-53112
RL2442
L68
68 H
671 26990
PE-92114
RL2443
L100
100 H
671 27000
PE-92108
RL2444
L150
150 H
671 27010
PE-53113
RL1954
L220
220 H
671 27020
PE-52626
RL1953
L330
330 H
671 27030
PE-52627
RL1952
L470
470 H
671 27040
PE-53114
RL1951
L680
680 H
671 27050
PE-52629
RL1950
H150
150 H
671 27060
PE-53115
RL2445
H220
220 H
671 27070
PE-53116
RL2446
H330
330 H
671 27080
PE-53117
RL2447
H470
470 H
671 27090
PE-53118
RL1961
H680
680 H
671 27100
PE-53119
RL1960
H1000
1000 H
671 27110
PE-53120
RL1959
H1500
1500 H
671 27120
PE-53121
RL1958
H2200
2200 H
671 27130
PE-53122
RL2448
Note 12: Schott Corporation, (612) 475-1173, 1000 Parkers Lake Road, Wayzata, MN 55391.
Note 13: Pulse Engineering, (619) 674-8100, P.O. Box 12235, San Diego, CA 92112.
Note 14: Renco Electronics Incorporated, (516) 586-5566, 60 Jeffryn Blvd. East, Deer Park, NY 11729.
FIGURE 9. Inductor Selection by Manufacturer’s Part Number
www.national.com
14
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