- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄383234 > L497 (意法半導(dǎo)體) HALL EFFECT PICKUP IGNITION CONTROLLER PDF資料下載
參數(shù)資料
| 型號： | L497 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | HALL EFFECT PICKUP IGNITION CONTROLLER |
| 中文描述： | 霍爾效應(yīng)皮卡點火控制器 |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 106K |
| 代理商： | L497 |
Figure2 :
SRC: I
coil
Failureand Time Dependenceof ActiveRegion.
Figure3 :
PermanentConductionProtection.
H
J
: Inputsignal
I
C
: Coil current
V
CM
: Voltage on capacitor C
SRC.
D
ST
: Percentageof imposeddesaturation time.
PERMANENT CONDUCTION PROTECTION
(fig.3)
The permanent conductionprotectioncircuit moni-
torstheinputperiod,chargingCPwithacostantcur-
rentwhenthe sensorsignalishighanddischarging
it whenthesensorsignalis low.Iftheinputremains
highfora timelongerthanT
P
thevoltageacrossC
P
reachesaninternallyfixedvalueforcingtheslowde-
crease of coil current to zero. A slow decrease is
necessaryto avoidundesiredsparks.When the in-
put signal goes low again C
P
is swiftly discharged
and the current control loop operatesnormally.
The delaytime T
P
is givenby :
T
P
(sec) = 18 C
P
R
7
WhereR
7
isthebiasingresistoron pin12 (inK)and
Cp the delaycapacitor at pin9 (in
μ
F).
L497
7/11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L497B | HALL EFFECT PICKUP IGNITION CONTROLLER |
| L4990 | PRIMARY CONTROLLER |
| L4990A | PRIMARY CONTROLLER |
| L4990AD | PRIMARY CONTROLLER |
| L4990D | PRIMARY CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L-497 | 制造商:RHOMBUS-IND 制造商全稱:Rhombus Industries Inc. 功能描述:VERTICAL MOUNTED TOROID |
| L4970 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:10A SWITCHING REGULATOR |
| L4970A | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.1 to 40V Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L4970A | 制造商:STMicroelectronics 功能描述:IC SWITCHING REG 10A 4970 |
| L4970HT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。