參數(shù)資料
型號(hào): TPA032D04DCAR
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48
封裝: GREEN, PLASTIC, HTSSOP-48
文件頁(yè)數(shù): 6/26頁(yè)
文件大小: 439K
代理商: TPA032D04DCAR
TPA032D04
10W STEREO CLASSD AUDIO POWER AMPLIFIER
SLOS203B DECEMBER 1999 REVISED JUNE 2000
15
TI.COM
APPLICATION INFORMATION
the ideal class-D amplifier (continued)
Control logic is used to adjust the output power, and both transistors are never on at the same time. If the output
voltage is rising, M1 is on for a longer period of time than M2.
Supply Current
Time
M1 on
M2 off
M1 off
M2 on
M1 on
M2 off
Output Current
Inductor Current
0
Current
Figure 6. Class-D Currents
VDD
VA
VOUT
0
V
oltage
Time
M1 on
M2 off
M1 off
M2 on
M1 on
M2 off
Figure 7. Class-D Voltages
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