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Partname:TPS2830DR
Description: SYNCHRONOUS-BUCK MOSFET DRIVER WITH DEAD TIME CONTROL
Manufacturer:Texas Instruments
Package:D
Pins:14
Datasheet:PDF (198K).
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The TPS2830 and TPS2831 are MOSFET drivers for synchronous-buck power stages. These devices are ideal for designing a high-performance power supply using a switching controller that does not include suitable MOSFET drivers on the chip. The drivers are designed to deliver 2.4-A peak currents into large capacitive loads. Higher currents can be controlled by using multiple drivers in a multiphase configuration. The high-side driver can be configured as a ground-reference driver or as a floating bootstrap driver. An adaptive dead-time control circuit eliminates shoot-through currents through the main power FETs during switching transitions, and provides high efficiency for the buck regulator. The TPS2830/31 drivers have additional control functions: ENABLE, SYNC, and CROWBAR. Both drivers are off when ENABLE is low. The driver is configured as a nonsynchronous-buck driver when SYNC is low. The CROWBAR function turns on the low-side power FET, overriding the IN signal, for over-voltage protection against faulted high-side power FETs. The TPS2830 has a noninverting input. The TPS2831 has an inverting input. The TPS2830/31 drivers are available in 14-terminal SOIC and TSSOP packages and operate over a junction temperature range of 40C to 125C.

Click here to download TPS2830DR Datasheet
Click here to download TPS2830DR Datasheet
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