Texas Instruments UCC2891 manual Internal Split Ground Plane

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EVM Assembly Drawing and Layout

Figure 17. Internal Split Ground Plane

Figure 18. Internal Signal Trace Layer

SLUU178A –November 2003 –Revised December 2006

Using the UCC2891 Active Clamp Current Mode PWM Controller

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Contents Users Guide Users Guide Description IntroductionApplications Schematic UCC2891EVM Electrical Performance SpecificationsUCC2891EVM Schematic Vout EVM Test SetupOutput Load LOAD1 Power Up/Down Test Procedures Overall Efficiency Output Current Input Ripple Voltage SR Gate Drive Top Side Component Assembly EVM Assembly Drawing and LayoutTop Side Silk Screen Internal Split Ground Plane Bottom Signal Trace Layer List of Materials List of MaterialsReferences EVM Important Notice Dynamic Warnings and Restrictions