170W Class D Audio Power Amplifier Solution

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170W Class D Audio Power Amplifier Solution Download

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.
The LM4651also contains a standby function which
shuts down the pulse width modulation minimizing supply
current. The LM4652 is a fully integrated H-bridge power
MOSFET IC in a TO-220 power package. The LM4652 has a
temperature sensor built in to alert the LM4651 when the die
temperature of the LM4652 exceeds the threshold. Together,
these two IC's form a simple, compact high power audio amplifier
solution complete with protection normally seen only in
Class AB amplifiers. Few external components and minimal
traces between the IC's keep the PCB area small and aids in
EMI control.
Submitted By:: administrator (admin)
Submitted On:: 11 Jan 2010
Downloads:: 212
File Author:: National
File HomePage:: Click to visit site
Submitted On:: 23 Aug 2009
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