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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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LM2576T-5.0 Datenblatt(PDF) 15 Page - National Semiconductor (TI) |
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LM2576T-5.0 Datenblatt(HTML) 15 Page - National Semiconductor (TI) |
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15 / 24 page  Application Hints INPUT CAPACITOR (C IN) To maintain stability, the regulator input pin must be by- passed with at least a 100 µF electrolytic capacitor. The capacitor’s leads must be kept short, and located near the regulator. If the operating temperature range includes temperatures below −25˚C, the input capacitor value may need to be larger. With most electrolytic capacitors, the capacitance value decreases and the ESR increases with lower tempera- tures and age. Paralleling a ceramic or solid tantalum ca- pacitor will increase the regulator stability at cold tempera- tures. For maximum capacitor operating lifetime, the capacitor’s RMS ripple current rating should be greater than 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 MBR340 50WQ04 31DQ04 1N5825 SR304 50V MBR350 50WQ05 31DQ05 SR305 60V MBR360 50WR06 DQ06 50SQ060 SR306 FIGURE 8. Diode Selection Guide Inductor Inductor Schott Pulse Eng. Renco Code Value (Note 12) (Note 13) (Note 14) L47 47 µH 671 26980 PE-53112 RL2442 L68 68 µH 671 26990 PE-92114 RL2443 L100 100 µH 671 27000 PE-92108 RL2444 L150 150 µH 671 27010 PE-53113 RL1954 L220 220 µH 671 27020 PE-52626 RL1953 L330 330 µH 671 27030 PE-52627 RL1952 L470 470 µH 671 27040 PE-53114 RL1951 L680 680 µH 671 27050 PE-52629 RL1950 H150 150 µH 671 27060 PE-53115 RL2445 H220 220 µH 671 27070 PE-53116 RL2446 H330 330 µH 671 27080 PE-53117 RL2447 H470 470 µH 671 27090 PE-53118 RL1961 H680 680 µH 671 27100 PE-53119 RL1960 H1000 1000 µH 671 27110 PE-53120 RL1959 H1500 1500 µH 671 27120 PE-53121 RL1958 H2200 2200 µH 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 15 |
Ähnliche Teilenummer - LM2576T-5.0 |
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Ähnliche Beschreibung - LM2576T-5.0 |
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