LM5020EVAL National Semiconductor, LM5020EVAL Datasheet
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LM5020EVAL
Specifications of LM5020EVAL
Related parts for LM5020EVAL
LM5020EVAL Summary of contents
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... Here the similarity ends. A second coupled wind- ing of the inductor transfers the energy to a secondary side © 2005 National Semiconductor Corporation National Semiconductor Application Note 1314 Grant Smith ...
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Powering and Loading Considerations When applying power to the LM5020 evaluation board cer- tain precautions should be followed. The LM5020 evaluation board is quite forgiving of load and input power variations. The possibility of shipping damage or infant failure is ...
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Performance Characteristics TURN-ON WAVEFORMS When applying power to the LM5020 evaluation board a certain sequence of events must occur. The soft-start feature allows for a minimal output voltage for a short time until the feedback loop can stabilize without overshoot. ...
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Performance Characteristics (Continued) Trace 1: Input Voltage, at 30VDC. Volts/div = 20.0V Trace 2: Output Voltage, at full load. Volts/div = 2.0V Trace 3: Output Current, at full load. Amps/div = 2.0A Horizontal Resolution = 1.0ms/div FIGURE 3. Trace 1: ...
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Performance Characteristics (Continued) TRANSFORMER WAVEFORMS Figure 7, Figure 8 and Figure 9 show typical waveforms at the junction of Q1 mosfet and the transformer primary wind- ing. Also shown are typical waveforms at the junction of the transformer secondary and ...
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www.national.com 6 ...
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Layout and Bill of Materials The Bill of Materials is shown below and includes the manu- facturer and part number. The layers of the printed circuit board are shown in top down order. View is from the top Designator Description ...
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PCB Layouts www.national.com 8 20095313 20095314 ...
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PCB Layouts (Continued) 9 20095315 20095316 www.national.com ...
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