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Partname: | TPS28225DRBT |
Description: | High-Frequency 4-A Sink Synchronous MOSFET Driver |
Manufacturer: | Texas Instruments |
Datasheet: | PDF (987K). Click here to download *) |
The TPS28225 is a high-speed driver for N-channel complimentary driven power MOSFETs with adaptive dead-time control. This driver is optimized for use in variety of high-current one and multi-phase dc-to-dc converters. The TPS28225 is a solution that provides highly efficient, small size low EMI emmissions. The performance is achieved by up to 8.8-V gate drive voltage, 14-ns adaptive dead-time control, 14-ns propagation delays and high-current 2-A source and 4-A sink drive capability. The 0.4- impedance for the lower gate driver holds the gate of power MOSFET below its threshold and ensures no shoot-through current at high dV/dt phase node transitions. The bootstrap capacitor charged by an internal diode allows use of N-channel MOSFETs in half-bridge configuration. |
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