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參數資料
| 型號： | FAN8705 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | 5 Channel DSC Motor Driver |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, 0.8 A, QCC40 |
| 封裝： | MLP-40 |
| 文件頁數： | 20/24頁 |
| 文件大小： | 528K |
| 代理商： | FAN8705 |
20
www.fairchildsemi.com
FAN8705 Rev. 1.0.1
F
5. Power Saving
The typical timing chart to get 1 frame of still image or motion pictures for shutter operation is shown following fig. If shutter is fully
opened within some time interval(to1) depending on shutter motor and mechanism, then we don’t need to operate shutter motor to be
opened more in ’WEAK OPEN’(to2). In other words we simply maintain the shutter open. The method to maintain this is to reduce
shutter current by control GAIN3 input. So, battery power can be saved. and ’WEAK CLOSE’ is the same.
t1
t2
t3
t4
t5
OPEN
OPEN
WEAK
CLOSE
CLOSE
IDLE
OPEN
IDLE
OPEN
Shutter motor
Total Open
Total Close
Shutter
Speed
Effective
Exposure
time
tc1
tc2
To : High speed shutter motor : 1/5000s
Bulb shutter : > 1sec
20ms
20ms
0 ~ OO
Image Data Storing Start
t0
WEAK
OPEN
to2
to1
T
o1
T
o2
T1
T2
IN9
IN10
GAIN3
I
shutter
相關PDF資料 |
PDF描述 |
|---|---|
| FAN8725 | Spindle Motor and 5-Channel Motor Driver(主軸電機和五通道電機驅動器) |
| FAN8727 | Spindle + 4-CH Motor Drive IC |
| FAN8728 | Spindle + 4-CH Input PWM Motor Drive IC |
| FAN8729 | Spindle+4-CH Motor Drive IC |
| FAN8729_NL | Spindle+4-CH Motor Drive IC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN8725 | 功能描述:馬達/運動/點火控制器和驅動器 BTL Motor Drive IC 3Phase BLDCM+5CH RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| FAN8727 | 功能描述:馬達/運動/點火控制器和驅動器 BTL Motor Drive IC 3Phase BLDCM+4CH RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| FAN8727_04 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Spindle + 4-CH Motor Drive IC |
| FAN8727_NL | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Spindle + 4-CH Motor Drive IC |
| FAN8728 | 功能描述:馬達/運動/點火控制器和驅動器 BLDC+ 4Ch BTL Driver RoHS:否 制造商:STMicroelectronics 產品: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 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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