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LM4651 Key Features

  • 23 Conventional Pulse Width Modulation
  • Externally Controllable Switching Frequency
  • 50kHz to 200kHz Switching Frequency Range
  • Integrated Error Amp and Feedback Amp
  • Turn-on Soft Start and Under Voltage Lockout
  • Over Modulation Protection (Soft Clipping)
  • Externally Controllable Output Current
  • Self Checking Protection Diagnostic

Other LM4651 Datasheets

Manufacturer Part Number Description
National Semiconductor Logo National Semiconductor LM4651 Overture Audio Power Amplifier

View all LM4651 datasheets →

LM4651 Description

The IC bination of the LM4651 driver and the LM4652 power MOSFET provides a high efficiency, Class D subwoofer amplifier solution. The LM4651 is a fully integrated conventional pulse width modulator driver IC. The IC contains short circuit, under voltage, over modulation, and thermal shut down protection circuitry.

LM4651 Applications

  • Powered Subwoofers for Home Theater and PC's