Integrated Driver & MOSFET | NCV3025833

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

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The SPS family is onsemi’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 onsemi’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 SyncFET™ 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

1

260

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3000

N

5

19

5 V Tri-State

50

1.5

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