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參數(shù)資料
| 型號(hào)： | TA8493BF |
| 廠商： | Toshiba Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES |
| 中文描述： | 3相全波無刷直流電動(dòng)機(jī)驅(qū)動(dòng)IC的CD - ROM驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 14/25頁 |
| 文件大?。?/td> | 250K |
| 代理商： | TA8493BF |
TA8493F/AF/BF
2002-01-31
14
Current limiter circuit
The current limit value is determined by the equation below.
0.3
I
LIM
R
F
0.1
This circuit cut off lower power transistors compulsorily when filtered V
RF
is more than reference voltage.
(0.3 V)
PWM signal cut off compulsorily is released from OFF state by next ON signal.
[A] (typ.)
Note5: Keep “H” level in this term
Consider inside resistance (5 k ) when setting the capacitance value (C
RF
).
Thermal shut down circuit
The circuit turns off output when T
j
175°C (typ.) (according to design specification)
ON
OFF
(Note5)
Over current detection term
Limiter Amp. Output
PWM Signal
Lower Pw T
r
.
ON
OFF
OFF
ON
ON
Limiter amp circuit
I
M
R
F
C
RF
5 k
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相關(guān)代理商/技術(shù)參數(shù) |
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| TA8493F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:3-PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD-ROM DRIVES |
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| TA8499F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:3 PHASE FULL WAVE BRUSHLESS DC MOTOR DRIVER IC FOR CD/DVD ROM DRIVES |
| TA8504 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:HIGH SPEED COMPARATOR |
| TA8504F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:HIGH SPEED COMPARATOR |
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