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LM2596TV Fiches technique(PDF) 7 Page - HTC Korea TAEJIN Technology Co. |
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LM2596TV Fiches technique(HTML) 7 Page - HTC Korea TAEJIN Technology Co. |
7 / 8 page 3.0A, 150kHz, Step-Down Switching Regulator LM2596 Cin = 470㎌, 50V, Cout = 220㎌, 25V (Aluminum Electrilytic Nichicon "PL Series" D1 = 5A, 40V Schottky Rectifier, IN5825 L1 = 68uH, L38 Cin = 470㎌, 50V, Cout = 220㎌, 35V (Aluminum Electrilytic Nichicon "PL Series" D1 = 5A, 40V Schottky Rectifier, IN5825 L1 = 68uH, R1 = 1㏀, 1% R2 = R1 x (Vout / Vref - 1) Figure 2. Typical Test Circuits and Layout Guide As in any switching regulator, layout is very important. Rapidly switching currents associated with wiring inductance can generate voltage transients which can cause problems. For minimal inductance and ground loops, the wires indicated by heavy lines should be wide printed circuit traces and should be kept as short as possible. For best results, external components should be located as close to the switching lC as possible using ground plane construction or single point grounding. If open core inductors are used, special care must be taken as to the location and positioning of this type of inductor. Allowing the inductor flux to intersect sensitive feedback, lC groundpath and COUT wiring can cause problems. When using the adjustable version, special care must be taken as to the location of the feedback resistors and the associated wiring. Physically locate both resistors near the IC, and route the wiring away from the inductor, especially an open core type of inductor. − 7 − HTC Test Circuit and Layout Guidelines |
Numéro de pièce similaire - LM2596TV |
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Description similaire - LM2596TV |
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