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LM4651 Datasheet Audio Power Amplifier 170W Class D Audio Power Amplifier Solution

Manufacturer: Texas Instruments

General Description

The IC combination 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.

Overview

OBSOLETE LM4651, LM4652 www.ti.com SNOS507H – MAY 2000 – REVISED APRIL 2013 LM4651 & LM4652 Overture™ Audio Power Amplifier 170W Class D Audio Power Amplifier Solution Check for Samples: LM4651,.

Key Features

  • 1.
  • 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 Limiting and Thermal Shutdown Protection.
  • Self Checking Protection Diagnostic.