參數(shù)資料
型號(hào)： IRAUDAMP1
廠商： International Rectifier
英文描述： High Power Class D Audio Power Amplifier using IR2011S
中文描述： 高功率D類音頻功率放大器使用IR2011S
文件頁(yè)數(shù)： 6/22頁(yè)
文件大小： 3219K
代理商： IRAUDAMP1
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Total Power (W)
H
Ta=25 degC
Adjustments of DC offset and Switching Frequency
Component Number
Adjustment
DC offset for CH-1
Switching Frequency for CH-1
DC offset for CH-2
Switching Frequency for CH-2
R10
R26
R22
R27
Adjustments have to be done at an idling condition with no signal input.
Note: The PWM switching frequency in this type of self oscillating scheme greatly impacts the audio
performances, especially in the case where two or more channels are in close proximity.
Thermal Considerations
The IRAUDAMP1 unitlizes a relatively thick aluminum block heatsink for peak power output handling
capabilities. It can handle continuous 1/8 of the rated power, which is generally considered to be a
normal operating condition in safety standards, for a considerable length of time such as one hour. The
size of the heatsink, however, is not sufficient to handle continuous rated power.
Fig.2 shows the relationship between total power dissipation and temperature rise at equilibrium. If
testing requires running conditions with continuous power a higher than 1/8 of the rated power, then,
attach extensions to the top of the heatsink using three M4 screw taps prepared for this purpose. Please
note that the heatsink is electrically connected to the GND pin.
www.irf.com
5
Fig.2 Heatsink Thermal Characteristic at Equilibrium
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相關(guān)代理商/技術(shù)參數(shù)
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IRAUDAMP10 功能描述:放大器 IC 開(kāi)發(fā)工具 Two Channel 300W IRS2052M IRF6775 BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
IRAUDAMP11 功能描述:放大器 IC 開(kāi)發(fā)工具 120W x 3 Ch Class D IRS2053 IRF6665 BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
IRAUDAMP12 功能描述:放大器 IC 開(kāi)發(fā)工具 Two Channel 130W IR4301 40 Ohm BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
IRAUDAMP15 功能描述:放大器 IC 開(kāi)發(fā)工具 Two Channel 35W IR4311 40 Ohm BRD RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
IRAUDAMP16 功能描述:放大器 IC 開(kāi)發(fā)工具 2-Ch 70W 4 Ohm REF Design IR4302 RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
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