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LM2623MM Scheda tecnica(PDF) 9 Page - Texas Instruments |
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LM2623MM Scheda tecnica(HTML) 9 Page - Texas Instruments |
9 / 16 page LM2623 www.ti.com SNVS188G – MAY 2004 – REVISED DECEMBER 2005 OUTPUT DIODE SELECTION A Schottky diode should be used for the output diode. The forward current rating of the diode should be higher than the peak input current, and the reverse voltage rating must be higher than the output voltage. Do not use ordinary rectifier diodes, since slow switching speeds and long recovery times cause the efficiency and the load regulation to suffer. Table 1 shows a list of the diode manufacturers. WSON PACKAGE DEVICES The LM2623 is offered in the 14 lead WSON surface mount package to allow for increased power dissipation compared to the VSSOP-8. For details of the thermal performance as well as mounting and soldering specifications, refer to (SNOA401) Application Note AN-1187. Table 1. Suggested Manufacturers List Inductors Capacitors Diodes Coilcraft Sprague/ Vishay Motorola Tel: (800) 322-2645 Tel: (207) 324-4140 Tel: (800) 521-6274 Fax: (708) 639-1469 Fax: (207) 324-7223 Fax: (602) 244-6609 Coiltronics Kemet International Rectifier (IR) Tel: (407) 241-7876 Tel: (864) 963-6300 Tel: (310) 322-3331 Fax: (407) 241-9339 Fax: (864) 963-6521 Fax: (310) 322-3332 Pulse Engineering Nichicon General Semiconductor Tel: (619) 674-8100 Tel: (847) 843-7500 Tel: (516) 847-3222 Fax: (619) 674-8262 Fax: (847) 843-2798 Fax: (516) 847-3150 Copyright © 2004–2005, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM2623 |
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