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LA4550 DATASHEET PDF

LA 2-channel af Power Amp For Radio, Tape Recoder Use. Features. Low quiescent current. On-chip 2 channels permitting use in stereo and bridge. LA Datasheet PDF Download – 2-Channel AF Power Amplifier, LA data sheet. Sanyo LA datasheet, 2-Channel AF Power Amplifier (1-page), LA datasheet, LA pdf, LA datasheet pdf, LA pinouts.

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SANYO assumes no responsibility for equipment failures that result from using products at values that.

AUDIO Cross Reference LA4550

If the transformer regulation is not as specified, the supply voltage drops momentarily when the motor of an AC. In this case, hum noise may be generated.

So, be careful of the transformer regulation. To apply DC muting by controlling the NF pin, it is recommended. The potential at point.

LA (Sanyo) – 2-channel Af Power Amp For Radio, Tape Recorder Use | eet

Slider contact noise of variable resistor. Since the input circuit uses PNP transistors, no input coupling capacitor is required. However, if slider contact noise of the variable resistor presents any problem, connect a.

Since the DIPF package is such that the Cu-foiled area of the printed circuit board is used to dissipate heat, make the. Cu-foiled area in the vicinity of the heat sink of the IC as al4550 as possible when designing the printed circuit board. Power dissipation Pd is increased depending on the supply voltage and load.

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So, it is recom.

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The following is a formula to be used to calculate Pd. For AC power supply, however, it is recommended to actually measure Pd on the transformer of each. Supply voltage at quiescent mode. Supply voltage at Pd max. Supply voltage at maximum output. Example of Heat Sink Mounting Method. The heat sink must be of such a shape as to be able to dissipate heat from the IC plastic area and fin area and is soldered to.

For the size of the heat sink, refer to the Pd — Ta characteristic. The material of the. It is recommended to apply silicone grease to the IC. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values such as maximum ratings, operating condition ranges,or other parameters listed in products specifications of any and all SANYO products described or contained herein.

If the transformer regulation is not as specified, the supply voltage drops momentarily when the motor of an AC- powered set is turned ON. DC muting To apply DC muting by controlling the NF pin, it is recommended to use the circuit configuration shown right. The potential at point A is set to 3.

Slider contact noise of variable resistor Since the input circuit uses PNP transistors, no input coupling capacitor is required.

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However, if slider contact noise of the variable resistor presents any problem, connect a capacitor in series with input. Thermal Design Since the DIPF package is such that the Cu-foiled area of the printed circuit board is used to dissipate heat, make the Cu-foiled area in the vicinity of the heat sink of the IC as large as possible when designing the printed circuit board.

The use of the Cu-foiled area indicated by shading in the pa4550 sample printed circuit pattern makes it possible to dissipate more heat. So, it is recom- mended to use the printed circuit board together with the heat sink. The following is a formula to be used to calculate Pd for stereo use.

For AC power ls4550, however, it is recommended to actually measure Pd on the transformer of each set. Supply voltage at la550 mode V CC Pd: Supply voltage at Pd max V CC 1: Supply voltage at maximum output r: The material of the heat sink is recommended to be copper or iron which is solderable.

It is recommended to apply silicone grease to the IC plastic area to reduce thermal resistance between the heat sink and the IC plastic area.

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