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| 型号： | TA8262H |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | HZIP-25 |
| 文件页数： | 10/15页 |
| 文件大小： | 612K |
| 代理商： | TA8262H |
TA8262H
2002-03-05
4
2. Stand-by SW function (pin 2)
By means of controlling pin 2 (Stand-by terminal) to
High and Low, the power supply can be set to ON and
OFF.
The threshold voltage of pin 2 is set at about 3 VBE
(typ.), and the Power Supply current is about 2 A
(typ.) at the stand-by state.
Control voltage of pin 2: V (SB)
Stand-By
Power
V (SB) (V)
ON
OFF
0~1.5
OFF
ON
3~VCC
Adjustage of stand-by SW
(1)
Since VCC can directly be controlled to ON or OFF by the microcomputer, the switching relay can be
omitted.
(2)
Since the control current is microscopic, the switching relay of small current capacity is satisfactory
for switching
― Conventional method ―
― Stand-by switch method ―
Figure 3
Figure 2 With pin 2 set to High, power
is turned ON
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