参数资料
型号: TPA005D14DCAR
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO48
封装: PLASTIC, HTSSOP-48
文件页数: 11/30页
文件大小: 492K
代理商: TPA005D14DCAR
TPA005D14
2-W STEREO CLASS-D AUDIO POWER AMPLIFIER
SLOS240A – AUGUST 1999 – REVISED MARCH 2000
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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 22. Class-D Currents
VDD
VA
VOUT
0
V
oltage
Time
M1 on
M2 off
M1 off
M2 on
M1 on
M2 off
Figure 23. Class-D Voltages
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