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參數資料
| 型號： | L6207N |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運動控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 2.8 A, PDIP24 |
| 封裝： | DIP-24 |
| 文件頁數： | 3/23頁 |
| 文件大小： | 395K |
| 代理商： | L6207N |
11/23
L6207
be bigger than tRCRISE for allowing a good current regulation by the PWM stage. Furthermore, the on time tON
can not be smaller than the minimum on time tON(MIN).
tRCRISE = 600 COFF
Figure 10 shows the lower limit for the on time tON for having a good PWM current regulation capacity. It has to
be said that tON is always bigger than tON(MIN) because the device imposes this condition, but it can be smaller
than tRCRISE - tDT. In this last case the device continues to work but the off time tOFF is not more constant.
So, small COFF value gives more flexibility for the applications (allows smaller on time and, therefore, higher
switching frequency), but, the smaller is the value for COFF, the more influential will be the noises on the circuit
performance.
Figure 9. tOFF versus COFF and ROFF
t
ON
t
ON MIN
()
>1.5
s (typ. value)
=
t
ON
t
RCRISE
t
DT
–
>
0.1
1
10
100
1
10
100
1 .10
3
1 .10
4
Coff [nF]
toff
[
s]
Roff = 100k
Roff = 47k
Roff = 20k
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相關代理商/技術參數 |
參數描述 |
|---|---|
| L6207PD | 功能描述:馬達/運動/點火控制器和驅動器 Dual Full Bridge 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 |
| L6207PD013TR | 功能描述:馬達/運動/點火控制器和驅動器 Dual Full Bridge 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 |
| L6207Q | 功能描述:馬達/運動/點火控制器和驅動器 DMOS Dual Bridge DRV 5.6A 0.3 Ohm 100kHz 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 |
| L6207QTR | 功能描述:馬達/運動/點火控制器和驅動器 DMOS Dual Full Bridge Driver 5.6A 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 |
| L6208 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:FULLY INTEGRATED STEPPER MOTOR DRIVER |
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