參數(shù)資料
型號(hào): TLE6363G
廠商: INFINEON TECHNOLOGIES AG
元件分類: 穩(wěn)壓器
英文描述: DUAL SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO14
封裝: PLASTIC, DSO-14
文件頁(yè)數(shù): 6/28頁(yè)
文件大?。?/td> 765K
代理商: TLE6363G
TLE 6363
Data Sheet Rev. 1.2
14
2003-06-02
Figure 4
Window Watchdog Definitions
AET02951
f
OSC
OSCmin
f
CWmax
CW
)
= 22.4 ms
= 32 ms - 0.1 x (32 ms + 64 ms)
t
WD
OWmin
t
OWmin
t
128 x
results to:
Reset start delay time after window
= 10% (oscillator deviation)
= end of open window
Closed Window
= 32 x
Definition
Worst Case
OSC
f
OSCmax
=
f
=
t
=
t
CW+OWmin
Definition
CW
t
OW
(1 +
t
CW
t
= (
t
+
) (1 -
)
t
ECW
CYL
OWmin
Example with:
t
t
= 1 ms
t
EOW
CYL
Open Window
CYL
t
OW
t
= 32 x
t
SR
CYL
t
= 64 x
WD
T
=
Reset duration time after window
watchdog time-out
CYL
t
WDR
t
= 64 x CYL
watchdog time-out
*
* recommended watchdog trigger time
AET02952
Watchdog
trigger signal
Valid
Not valid
Indifferent
= Watchdog decoder sample point
ECW
t
Closed window
WDI
Open window
EOW
t
Open window
Closed window
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