LM4651
FEATURES
- 23 Conventional Pulse Width Modulation.
- Externally Controllable Switching Frequency.
- 50k Hz to 200k Hz 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.
APPLICATIONS
- Powered Subwoofers for Home Theater and PC's
- Car Booster Amplifier
- Self-powered Speakers
KEY SPECIFICATIONS
- Output power into 4Ω with < 10% THD. 170W (Typ)
- THD at 10W, 4Ω, 10
- 500Hz. < 0.3% THD (Typ)
- Maximum efficiency at 125W 85% (Typ)
- Standby attenuation. >100d B (Min)
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...
