TLE 6363 Infineon Technologies, TLE 6363 Datasheet - Page 14

• Manufacturer Part Number: TLE 6363
• Manufacturer: Infineon Technologies

Specifications of TLE 6363

• Packages: P-DSO-14
• Comment: Please use RoHS compliant TLE6711
• Vq (max): 5.0V
• Iq (max): 250.0 mA
• Iq (typ): 1,500.0 µA
• Output: Boost/Buck Conv.

Figure 4
Data Sheet Rev. 1.2
Definition
Definition
Worst Case
f
f
OSC
OSC
WDI
WDI
WDI
=
=
f
f
= Watchdog decoder sample point
OSCmax
OSCmin
Closed window
Window Watchdog Definitions
Closed Window
t
t
CW
Reset start delay time after window
CW+OWmin
t
CWmax
= 32 x
t
ECW
Open window
=
watchdog time-out
t
t
= (
CW
t
CYL
t
SR
WD
t
CW
(1 +
= 64 x
*
t
ECW
+
∆
t
OW
)
t
CYL
t
Open Window
OW
) (1 - )
T
= 32 x
Indifferent
WD
t
trigger signal
Not valid
∆
OWmin
Watchdog
=
Valid
14
128 x
t
CYL
t
t
EOW
CYL
= end of open window
* recommended watchdog trigger time
Example with:
t
∆
t
t
t
CYL
OWmin
OWmin
OWmin
= 10% (oscillator deviation)
Reset duration time after window
Open window
= 1 ms
results to:
= 32 ms - 0.1 x (32 ms + 64 ms)
= 22.4 ms
watchdog time-out
t
WDR
= 64 x
t
EOW
Closed window
t
CYL
TLE 6363
AET02952
2003-06-02
AET02951