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TPS73047DBVTG4 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS73047DBVTG4 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 16 page www.ti.com GND NR FB IN OUT EN V IN V OUT R 1 C 1 R 2 1 F m 2.2 F m 0.01 F m TPS73001 OUTPUTVOLTAGE PROGRAMMINGGUIDE R 1 R 2 C 1 2.5V 3.3V 3.6V 1.22V OUTPUT VOLTAGE 31.6kW short 51kW 59kW open 30.1kW 30.1kW 30.1kW 0pF 22pF 15pF 15pF Regulator Protection TPS730xx SBVS054G – NOVEMBER 2004 – REVISED DECEMBER 2006 APPLICATION INFORMATION (continued) Figure 17. TPS73001 Adjustable LDO Regulator Programming The TPS730xx PMOS-pass transistor has a built-in back diode that conducts reverse current when the input voltage drops below the output voltage (for example, during power-down). Current is conducted from the output to the input and is not internally limited. If extended reverse voltage operation is anticipated, external limiting might be appropriate. The TPS730xx features internal current limiting and thermal protection. During normal operation, the TPS730xx limits output current to approximately 400mA. When current limiting engages, the output voltage scales back linearly until the overcurrent condition ends. While current limiting is designed to prevent gross device failure, care should be taken not to exceed the power dissipation ratings of the package or the absolute maximum voltage ratings of the device. If the temperature of the device exceeds approximately +165 °C, thermal-protection circuitry shuts it down. Once the device has cooled down to below approximately +140 °C, regulator operation resumes. 9 Submit Documentation Feedback |
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