(China (Mainland))
Product Summary
The TPS28225DRBR 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 TPS28225DRBR is a solution that provides highly efficient, small size low EMI emmissions. The applications of the TPS28225DRBR include: (1)Multi-Phase DC-to-DC Converters with Analog or Digital Control; (2)Desktop and Server VRMs and EVRDs; (3)Portable/Notebook Regulators; (4)Synchronous Rectification for Isolated Power Supplies.
Parametrics
TPS28225DRBR absolute maximum ratings: (1)Input supply voltage range, VDD: –0.3 to 8.8 V; (2)Boot voltage, VBOOT: –0.3 to 33 V; (3)Phase voltage, VPHASE DC: –2 to 32 or VBOOT + 0.3 –VDD whichever is less; (4)Input voltage range, VPWM, VEN/PG: –0.3 to 13.2 V; (5)Output voltage range, VUGATE: VPHASE– 0.3 to VBOOT + 0.3, (VBOOT– VPHASE < 8.8) V; (6)ESD rating, HBM: 2 k; (7)ESD rating, HBM ESD rating, CDM: 500; (8)Operating virtual junction temperature range, TJ: –40 to 150 ℃; (9)Operating ambient temperature range, TA: –40 to 125 ℃; (10)Storage temperature, Tstg: –65 to 150 ℃; (11)Lead temperature (soldering, 10 sec.): 300 ℃.
Features
TPS28225DRBR features: (1)Drives Two N-Channel MOSFETs with 14-ns Adaptive Dead Time; (2)Wide Gate Drive Voltage: 4.5V Up to 8.8V With Best Efficiency at 7V to 8V; (3)Wide Power System Train Input Voltage: 3V Up to 27V; (4)Wide Input PWM Signals: 2.0V up to 13.2-V Amplitude; (5)Capable Drive MOSFETs with ≥40-A Current per Phase; (6)High Frequency Operation: 14ns Propagation Delay and 10ns Rise/Fall Time Allow Fsw 2MHz; (7)Capable Propagate <30-ns Input PWM Pulses; (8)Low-Side Driver Sink On-Resistance (0.4Ω) Prevents dV/dT Related Shoot-Through Current; (9)3-State PWM Input for Power Stage Shutdown; (10)Space Saving Enable (input) and Power Good (output) Signals on Same Pin.
Diagrams
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 TPS28225DRBR |
Texas Instruments |
Power Driver ICs 8P Hi Freq 4A Sink Synch MOSFET Drvr |
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TPS28225DRBRG4 |
Texas Instruments |
Power Driver ICs 8P Hi Freq 4A Sink Synch MOSFET Drvr |
Data Sheet |
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