PCB Layout Guidelines for Power Controllers
(MAN) : Thesupplyofsufficientcurrenttotheload. Noiseimmunityfortheloadandsensecircuits. , , , , : 1oz/sqfootcopper( ). 10 Criseonouterlayers,20 Cinnerlayers Groupsofhighcurrenttracksarede-rated " " " " " ,eachdoublingofcopperthicknessallowsanin creaseofsqrt(2)( ) , , , , , , , Frequency IMPEDANCEvsFREQUENCY10 , spatterntoall0 ResistorTo Inner Layer PowerLoad ConnectionMOSFET1nFVccGnd10nFBulk10 nFVCCBULK1 nF10 nFBULKTo LoadTo Power t/ V;whereIisthesurgecurrent, Visthevoltagedropthatcanbetolerated,and , , October2005IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,enhancements, improvements, and other changes to its products and services at any time and to discontinueany product or service without notice. Customers should obtain the latest relevant information before placingorders and should verify that such information is current and complete. All products are sold subject to TI s termsand conditions of sale supplied at the time of order warrants performance of its hardware products to the specifications applicable at the time of sale inaccordance with TI s standard warranty.
1 Scope 2 Description 2.1 General 2.2 PCB Etch Application Report SLUA366– October 2005 PCB Layout Guidelines for Power Controllers Bob Kando..... PMP -Systems Power (MAN)
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