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Integrated Driver & MOSFET | NCV3025833

Smart Power Stage (SPS) Module with Integrated Thermal Warning and Thermal Shutdown

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Overview

The SPS family is ON Semiconductor’s next-generation, fully optimized, ultra-compact, integrated MOSFET plus driver power stage solution for high-current, high-frequency, synchronous buck, DC−DC applications. The NCV3025833 integrates a driver IC with a bootstrap Schottky diode, two power MOSFETs, and a thermal monitor into a thermally enhanced, ultra-compact 5 mm × 5 mm package.
With an integrated approach, the SPS switching power stage is optimized for driver and MOSFET dynamic performance, minimized system inductance, and power MOSFET RDS(ON). The SPS family uses ON Semiconductor’s high-performance POWERTRENCH®MOSFET technology, which reduces switch ringing, eliminating the
need for a snubber circuit in most buck converter applications.
A driver IC with reduced dead times and propagation delays further enhances the performance. A thermal warning function warns of a potential over-temperature situation. A thermal shutdown function turns off the driver if an over-temperature condition occurs. The NCV3025833 incorporates an Auto-DCM Mode (ZCD#) for improved light-load efficiency.
The NCV3025833 also provides a 3-state 5 V PWM input for compatibility with a wide range of PWM controllers.

  • Notebook, Tablet PC and Ultrabook
  • Servers and Workstations, V−Core and Non−V−CoreDC−DC Converters
  • High−Performance Gaming Motherboards
  • High−Current DC−DC Point−of−Load Converters
  • Automotive Qualified Systems
  • Automotive Power
  • Notebook and Desktop PC
  • Ultra-Compact 5 mm x 5 mm PQFN Copper-Clip Package with Flip Chip Low-Side MOSFET
  • High Current Handling: 50 A
  • 3-State 5 V PWM Input Gate Driver
  • Thermal Warning (THWN#) to Warn Over-Temperature of Gate Driver IC
  • Thermal Shutdown (THDN)
  • HS-Short Detect Fault# / Shutdown
  • Optimized / Extremely Short Dead-Times
  • Low Shutdown Current: < 3 µA
  • AEC-Q100 Qualified and PPAP Capable
  • Dynamic Resistance Mode for Low-Side Drive (LDRV) Slows Low-Side MOSFET during Negative Inductor Current Switching
  • Auto DCM (Low-Side Gate Turn Off) Using ZCD# Input
  • Dual Mode Enable / Fault# Pin
  • Internal Pull-Up and Pull-Down for ZCD# and EN Inputs, respectively
  • ON Semiconductor PowerTrench® MOSFETs for Clean Voltage Waveforms and Reduced Ringing
  • ON Semiconductor SyncFETâ„¢ Technology (Integrated Schottky Diode) in Low-Side MOSFET
  • Integrated Bootstrap Schottky Diode
  • Optimized for Switching Frequencies up to 1.5 MHz
  • Under-Voltage Lockout (UVLO) on VCC
  • PWM Minimum Controllable On-Time: 30 ns
  • Operating Ambient Temperature Range: -40°C to +125°C
  • Optimized FET Pair for Highest Efficiency: 10 ~ 15% Duty Cycle
  • ON Semiconductor Green Packaging and RoHS Compliance

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NCV3025833MTW

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WQFNW-33

512AE

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260

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5 V Tri-State

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