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LM5181-Q1 Folha de dados(PDF) 24 Page - Texas Instruments |
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LM5181-Q1 Folha de dados(HTML) 24 Page - Texas Instruments |
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24 / 33 page  Locate the converter IC close to the transformer and connect to the GND plane as shown Minimize the area of the secondary winding, flyback diode and output capacitor switching loops Place the ceramic input capacitor close to the IC to minimize the switching loop area Place the RSET, TC, FB and SS small-signal components near their respective pins Maintain the appropriate primary- to-secondary clearance distance Locate the converter IC close to the transformer and connect to the GND plane as shown Place the Y-cap close to the transformer so that common-mode currents from the secondary to the primary side return in a tight loop Keep the DZ clamp and RC snubber components close to the primary winding pins Keep the secondary winding, flyback diode and output capacitor loop as tight as possible Place the input capacitor close to the VIN pin and connect to the GND plane under the IC Locate the RSET, TC and FB resistors and the SS capacitor close to their respective pins Use adequate heatsinking copper connected to the cathode of the flyback diode (VOUT) 24 LM5181-Q1 SNVSBN6 – APRIL 2020 www.ti.com Product Folder Links: LM5181-Q1 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated 11.2 Layout Examples Figure 28. Single-Output PCB Layout Figure 29. Dual-Output PCB Layout |
Nº de peça semelhante - LM5181-Q1 |
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Descrição semelhante - LM5181-Q1 |
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