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參數(shù)資料
| 型號(hào)： | KA3012D |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | Tantalum Molded High Reliability Capacitor; Capacitance: 1uF; Voltage: 35V; Case Size: 3.4x2.2 mm; Packaging: Tape & Reel |
| 中文描述： | 4 CHANNEL CD MOTOR DRIVER, PDSO28 |
| 封裝： | 0.375 INCH, HSSOP-28 |
| 文件頁(yè)數(shù)： | 8/13頁(yè) |
| 文件大?。?/td> | 238K |
| 代理商： | KA3012D |
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KA3012D
8
Application Information
1. MUTE
When the voltage level of the mute pin is above 2V, the mute circuit is activated so that the output circuit will be
muted.
When the mute pin #9 is open or the voltage of the mute pin #9 is below 0.5V, the mute circuit is deactivated and the output
circuit operates normally.
When the mute circuit is activated, the voltage level of output pins becomes 1/2V
CC
(approximately).
2. TSD (THERMAL SHUTDOWN)
If the chip temperature rises above 175
°
C, then the TSD (Thermal shutdown) circuit is activated and the output circuit is
muted.
The V
REF BG
is the output voltage of the band-gap-referenced bias in circuit and acts as the input voltage of the TSD
circuit.
The base-emitter voltage of the TR,Q11 is designed to turn-on at 460mA.
V
BE
= V
REF BG
×
R12 / (R11 + R12)=460mV
When the chip temperature rises up to 175
°
C, the turn-on voltage of the Q11 drops down to 460mV. (Hysteresis: 25
°
C) and
Q11 turns on so the output circuit is muted.
Pin #9
High
Low
Open
Mute circuit
Turn-on
Turn-off
Turn-off
9
Output driver
bias
V
REF BG
R11
R12
Q11
Output driver
bias
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KA3012D02 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| KA3012D-02 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver |
| KA3012D02TF | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 BTL Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| KA3012D-02TF | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Channel Motor Driver |
| KA3014 | 功能描述:功率驅(qū)動(dòng)器IC QFPH-48 RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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