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参数资料
| 型号： | TA8231L |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 42 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM17 |
| 封装： | HSIP-17 |
| 文件页数： | 4/10页 |
| 文件大小： | 809K |
| 代理商： | TA8231L |
TA8231L
2002-10-30
3
2. Stand-by SW function
By means of controlling pin(1) (stand-by terminal) to high
and low,the power supply can be set to on and off.
The threshold voltage of pin(1) is set at about 3V (typ.),
and the power supply current is about 100A (typ.) at the
stand-by state.
Pin (1) control voltage: V (SB)
Stand
-by
Power
V (SB) (V)
On
Off
0~2
Off
On
3~VCC
~Advantage of stand-by SW~
(1) Since VCC can directly be controlled to on / 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.
3. Preventive measure against oscillation
For preventing the oscillation, it is advisable to use C4, the condenser of polyester film having small
characteristic fluctuation of the temperature and the frequency.
The resistance R to be series applied to C4 is effective for phase correction of high frequency, and improves
the oscillation allowance.
Since the oscillation allowance is varied according to the causes described below, perform the temperature
test to check the oscillation allowance.
(1) Capacity value of condenser
(2) Kind of condenser
(3) Layout of printed board
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相关代理商/技术参数 |
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| TA8231LQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:42W BTL 】 2CH Audio Power IC |
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| TA8232F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:BATTERY CHARGER IC |
| TA8232P | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:BATTERY CHARGER IC |
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