Texas Instruments TPS780xxEVM-301 Скачать руководство пользователя страница 4

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Test Results

Figure 3. Low to High Output Transient (VOUT = 2.2 V to 3.3 V, R

LOAD

= 22

)

Figure 4. High to Low Output Transient (VOUT = 3.3 V to 2.2 V, R

LOAD

= 22

)

TPS780xxEVM-301

4

SLVU235 – March 2008

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Содержание TPS780xxEVM-301

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 6: ...www ti com Board Layout Schematic and Bill of Materials Figure 6 Top Layer 6 TPS780xxEVM 301 SLVU235 March 2008 Submit Documentation Feedback...

Страница 7: ...www ti com Board Layout Schematic and Bill of Materials Figure 7 Bottom Layer SLVU235 March 2008 TPS780xxEVM 301 7 Submit Documentation Feedback...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 12: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS780XXEVM 301...

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