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參數(shù)資料
| 型號： | L6207 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | DMOS DUAL FULL BRIDGE DRIVER WITH PWM CURRENT CONTROLLER |
| 中文描述： | 偶的DMOS全橋驅(qū)動器，帶有PWM電流控制器 |
| 文件頁數(shù)： | 11/23頁 |
| 文件大小： | 387K |
| 代理商： | L6207 |
11/23
L6207
be bigger than t
RCRISE
for allowing a good current regulation by the PWM stage. Furthermore, the on time t
ON
can not be smaller than the minimum on time t
ON(MIN)
.
t
RCRISE
= 600 · C
OFF
Figure 10 shows the lower limit for the on time t
ON
for having a good PWM current regulation capacity. It has to
be said that t
ON
is always bigger than t
ON(MIN)
because the device imposes this condition, but it can be smaller
than t
RCRISE
- t
DT
. In this last case the device continues to work but the off time t
OFF
is not more constant.
So, small C
OFF
value gives more flexibility for the applications (allows smaller on time and, therefore, higher
switching frequency), but, the smaller is the value for C
OFF
, the more influential will be the noises on the circuit
performance.
Figure 9. t
OFF
versus C
OFF
and R
OFF
t
ON
t
ON
t
ON MIN
t
RCRISE
)
>
1.5
μ
s (typ. value)
=
t
DT
–
>
0.1
1
10
100
1
10
100
1.10
3
1.10
4
Coff [nF]
t
μ
s
R
off
= 100k
R
off
= 47k
R
off
= 20k
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6207D | 功能描述:馬達(dá)/運動/點火控制器和驅(qū)動器 Dual Full Bridge 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 |
| L6207D013TR | 功能描述:馬達(dá)/運動/點火控制器和驅(qū)動器 Dual Full Bridge 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 |
| L6207N | 功能描述:馬達(dá)/運動/點火控制器和驅(qū)動器 Dual Full Bridge 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 |
| L6207PD | 功能描述:馬達(dá)/運動/點火控制器和驅(qū)動器 Dual Full Bridge 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 |
| L6207PD013TR | 功能描述:馬達(dá)/運動/點火控制器和驅(qū)動器 Dual Full Bridge 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 |
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