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參數(shù)資料
| 型號： | L6221C |
| 廠商： | 意法半導體 |
| 英文描述： | Quad Darlington Switches(四通道達林頓晶體管開關) |
| 中文描述： | 四達林頓開關（四通道達林頓晶體管開關） |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 174K |
| 代理商： | L6221C |
Figure 19 :
Driver for Solenoids up to 3A
.
Somecaremustbe takento ensurethatthecollec-
torsareplacedclosetogetherto avoiddifferentcur-
rent partitioningat turn-off.
We suggest to put in parallel channel 1 and 4 and
channel2 and3 asshowninfigure19forthesimilar
electricalcharacteristicsofthelogicsection(turn-on
and turn-offdelaytime) and the power stages(col-
lector saturation voltage, free-wheeling diode for-
ward voltage).
APPLICATION INFORMATION
When inductiveloads are driven by L6221C/CD,a
zenerdiodein serieswiththeintegralfree-wheeling
diodes increases the voltage across which energy
stored in the load is discharged and therefore
speedsthecurrentdecay(fig. 18).
The zener has to be chosen in such a way that
V
CLAMP
is limited to 60V taking into account the
zener’svoltagechangesdueto:spreadonV
Z
,tem-
peraturechanges,and the voltagedrop dueto oh-
micresistance.
Moreover,theinstantaneouspowermustbelimited
in orderto avoidthe reversesecondbreakdown.
Figure 18.
L6221C-L6221CN-L6221CD
9/15
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L6221C_03 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD DARLINGTON SWITCH |
| L6221CD | 功能描述:達林頓晶體管 1.8 Amp Quad Switch RoHS:否 制造商:Texas Instruments 配置:Octal 晶體管極性:NPN 集電極—發(fā)射極最大電壓 VCEO:50 V 發(fā)射極 - 基極電壓 VEBO: 集電極—基極電壓 VCBO: 最大直流電集電極電流:0.5 A 最大集電極截止電流: 功率耗散: 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-18 封裝:Reel |
| L6221CD013TR | 功能描述:達林頓晶體管 1.8 Amp Quad Switch RoHS:否 制造商:Texas Instruments 配置:Octal 晶體管極性:NPN 集電極—發(fā)射極最大電壓 VCEO:50 V 發(fā)射極 - 基極電壓 VEBO: 集電極—基極電壓 VCBO: 最大直流電集電極電流:0.5 A 最大集電極截止電流: 功率耗散: 最大工作溫度:+ 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-18 封裝:Reel |
| L6221CN | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD DARLINGTON SWITCH |
| L6221N | 制造商:STME 功能描述: 制造商:STMicroelectronics 功能描述:Peripheral Driver, Quad Driver, 15 Pin, Plastic, ZIP |
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