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LM2575T-5.0 Datasheet(PDF) 17 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM2575T-5.0
Description  SIMPLE SWITCHER 1A Step-Down Voltage Regulator
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 17 page
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Inductor Value Selection Guides (For Continuous Mode Operation) (Continued)
V
R
Schottky
Fast Recovery
1A
3A
1A
3A
20V
1N5817
1N5820
MBR120P
MBR320
SR102
SR302
30V
1N5818
1N5821
MBR130P
MBR330
The following
diodes are all
rated to 100V
11DF1
MUR110
HER102
The following
diodes are all
rated to 100V
31DF1
MURD310
HER302
11DQ03
31DQ03
SR103
SR303
40V
1N5819
IN5822
MBR140P
MBR340
11DQ04
31DQ04
SR104
SR304
50V
MBR150
MBR350
11DQ05
31DQ05
SR105
SR305
60V
MBR160
MBR360
11DQ06
31DQ06
SR106
SR306
FIGURE 8. Diode Selection Guide
Inductor
Inductor
Schott
Pulse Eng.
Renco
Code
Value
(Note 15)
(Note 16)
(Note 17)
L100
100 µH
67127000
PE-92108
RL2444
L150
150 µH
67127010
PE-53113
RL1954
L220
220 µH
67127020
PE-52626
RL1953
L330
330 µH
67127030
PE-52627
RL1952
L470
470 µH
67127040
PE-53114
RL1951
L680
680 µH
67127050
PE-52629
RL1950
H150
150 µH
67127060
PE-53115
RL2445
H220
220 µH
67127070
PE-53116
RL2446
H330
330 µH
67127080
PE-53117
RL2447
H470
470 µH
67127090
PE-53118
RL1961
H680
680 µH
67127100
PE-53119
RL1960
H1000
1000 µH
67127110
PE-53120
RL1959
H1500
1500 µH
67127120
PE-53121
RL1958
H2200
2200 µH
67127130
PE-53122
RL2448
Note 15: Schott Corp., (612) 475-1173, 1000 Parkers Lake Rd., Wayzata, MN 55391.
Note 16: Pulse Engineering, (619) 674-8100, P.O. Box 12236, San Diego, CA 92112.
Note 17: Renco Electronics Inc., (516) 586-5566, 60 Jeffryn Blvd. East, Deer Park, NY 11729.
FIGURE 9. Inductor Selection by Manufacturer’s Part Number
www.national.com
17




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