| TYPE | DESCRIPTION |
|---|
| Number of Outputs | 1 Output |
| Output Voltage | 1.2 V |
| Output Current | 5 A |
| Switching Frequency | 600 kHz |
| Input Voltage | 3V ~ 3.6V |
The TPS40009 is a voltage-mode, synchronous buck PWM controller that uses TI"s proprietary Predictive Gate Drive technology to wring maximum efficiency from step-down converters. This controller provides a bootstrap charging circuit to allow the use of an N-channel MOSFET as the topside buck switch to reduce conduction losses and increase silicon device utilization. Predictive Gate Drive technology controls the delay from main switch turn-off to synchronous rectifier turn-on and also the delay from rectifier turn-off to main switch turn-on. This allows minimization of the losses in the MOSFET body diodes by reducing conduction and reverse recovery time. This user"s guide provides details on a 5-A buck converter that converts 3.3 V down to a 1.2-V level using the TPS40009 controller, with less than one square inch board area.
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DC-DC Controller (External Switch) Low Input (2.25V-5.5V) 600kHz Frequency, Synchronous Buck Controller, Source/ Sink, Prebias Operati DC DC Cntrlr Single-OUT Sync Step Down 2.25V to 5.5V Input 10Pin HVSSOP EP Tube
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DC-DC Controller (External Switch) Low Input (2.25V-5.5V) 600kHz Frequency, Synchronous Buck Controller, Source/ Sink, Prebias Operati DC DC Cntrlr Single-OUT Sync Buck 2.25V to 5.5V Input 10Pin HVSSOP EP T/R
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DC-DC Cntrlr Single-OUT Step Down 700kHz 10Pin HVSSOP EP Tube
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DC-DC Cntrlr Single-OUT Step Down 700kHz 10Pin HVSSOP EP T/R
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