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Board Layout, Schematic, and Bill of Materials
Figure 7. Bottom Layer
SLVU235 – March 2008
TPS780xxEVM-301
7
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Page 1: ...Figures 1 Startup from Enable 3 2 Load Transient VI 3 6 V VOUT 2 5 V IOUT 100 mA to 150 mA returning to 100 mA 3 3 Low to High Output Transient VOUT 2 2 V to 3 3 V RLOAD 22 4 4 High to Low Output Tra...
Page 2: ...of JP1 to disable U1 A shunt must be installed on JP1 in either H or L positions and EN must not be left unconnected User can program the output voltage Place a shunt across the H and VSET pins of JP...
Page 3: ...rmance waveforms Figure 1 through Figure 4 using the TPS780xxxEVM 301 printed circuit board Figure 1 Startup from Enable Figure 2 Load Transient VI 3 6 V VOUT 2 5 V IOUT 100 mA to 150 mA returning to...
Page 4: ...est Results Figure 3 Low to High Output Transient VOUT 2 2 V to 3 3 V RLOAD 22 Figure 4 High to Low Output Transient VOUT 3 3 V to 2 2 V RLOAD 22 TPS780xxEVM 301 4 SLVU235 March 2008 Submit Documentat...
Page 5: ...ne the regulator could show stability problems as well as EMI problems Therefore use wide and short traces for the main current path and for the power ground tracks The input and output capacitor plus...
Page 6: ...www ti com Board Layout Schematic and Bill of Materials Figure 6 Top Layer 6 TPS780xxEVM 301 SLVU235 March 2008 Submit Documentation Feedback...
Page 7: ...www ti com Board Layout Schematic and Bill of Materials Figure 7 Bottom Layer SLVU235 March 2008 TPS780xxEVM 301 7 Submit Documentation Feedback...
Page 8: ...www ti com 5 2 Schematic Board Layout Schematic and Bill of Materials Figure 8 TPS780xxEVM 301 Schematic TPS780xxEVM 301 8 SLVU235 March 2008 Submit Documentation Feedback...
Page 9: ...trip J7 J8 JP1 Header 3 pin JP2 0 100 inch 4 100mil spacing PTC36SAAN Sullins JP3 x 3 36 pin strip JP4 0 R1 R2 Open Resistor Chip 1 16W 0603 Std Std 2 R3 R6 0 Resistor Chip 1 16W 1 0603 CRCW0603 0000...
Page 10: ...mperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any paten...
Page 11: ...siness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product wo...
Page 12: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS780XXEVM 301...
