Datenblatt-Suchmaschine für elektronische Bauteile |
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LM25183-Q1 Datenblatt(PDF) 31 Page - Texas Instruments |
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LM25183-Q1 Datenblatt(HTML) 31 Page - Texas Instruments |
31 / 40 page Locate the converter IC close to the transformer and connect to the GND plane as shown Use heatsinking for the clamp Zener, especially if the transformer leakage inductance is high 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 Locate the RC snubber components close to the flyback diode 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 and use heatsinking for the Zener 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) 31 LM25183-Q1 www.ti.com SNVSBJ4 – APRIL 2020 Product Folder Links: LM25183-Q1 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated 10.2 Layout Examples Figure 47. Single-Output PCB Layout Example Figure 48. Dual-Output PCB Layout Example |
Ähnliche Teilenummer - LM25183-Q1 |
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Ähnliche Beschreibung - LM25183-Q1 |
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