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參數(shù)資料
| 型號： | LB8503V |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Digital IC DC Fan Motor Speed Control IC |
| 中文描述： | 單片數(shù)字集成電路直流風(fēng)扇電機(jī)轉(zhuǎn)速控制IC |
| 文件頁數(shù)： | 12/20頁 |
| 文件大小： | 171K |
| 代理商： | LB8503V |
LB8503V
No.A0366-12/20
[LIM Pin]
The minimum speed is determined by the LIM pin voltage.
CVO pin voltage (V)
0
10000
8000
6000
4000
2000
6V
2V
Set minimum
speed
CTL Duty(%)
(RPM)
0%
100%
Motor
full speed
1.
2.
3.
4.
Determine the ratio of the required minimum speed and the maximum speed.
Ra = minimum speed/maximum speed......... (1)
In the example in the figure above, Ra = minimum speed/maximum speed = 3000/10000 = 0.3
Determine the product of the duty that produces the maximum speed and the value from equation 1.
Ca = maximum speed duty × Ra .................. (2)
For example, Ca = maximum speed duty × Ra = 0.8 × 0.3 = 0.24
Determine the required LIM pin voltage
LIM = 6 - (4 × Ca) ....................................... (3)
For example, LIM = 6 - (4 × Ca) = 6 - (4 × 0.24)
≈
5V
Generate the LIM voltage by resistor dividing the 6 V regulator voltage.
For example, the resistor ratio to create a 5V level will be 1:5.
Thus the resistor values will be 10k
Ω
between 6VREG and LIM and 51k
Ω
between LIM and ground.
ILB01777
6VREG
VREF
CVI
SOFT
LIM
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LB8503V-MPB-E | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 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 |
| LB8503V-TLM-E | 功能描述:馬達(dá)/運(yùn)動/點(diǎn)火控制器和驅(qū)動器 BRUSHLESS 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 |
| LB8505AE-R2 | 制造商:Black Box Corporation 功能描述:10/100 ETHERNET SWITCH 5 PORT |
| LB8505AE-R2-W1 | 制造商:Black Box Corporation 功能描述:1 YEAR WARRANTY FOR LB8505AE-R2 |
| LB8508A-W1 | 制造商:Black Box Corporation 功能描述:1 YEAR WARRANTY FOR LB8508A |
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