TLE 4263-2ES Infineon Technologies, TLE 4263-2ES Datasheet - Page 19

• Manufacturer Part Number: TLE 4263-2ES
• Manufacturer: Infineon Technologies

Specifications of TLE 4263-2ES

• Packages: PG-DSO-8
• Regulator Type: single output
• Output Voltage: 5V
• Accuracy: 2.0 %
• Max. Output Current: 150mA
• Dropout Voltage: 350mV

6.2
Figure 5
Watchdog Timing
The period of the watchdog pulses has to be smaller than the minimum watchdog trigger time which is set by the
external reset delay capacitor
with
•
•
•
Data Sheet
C
D
C
T
T
=
WI,tr,new
WI,tr
D
: capacitance of the delay capacitor to be chosen
T
----------------------- -
V
WI,tr,new
T
: watchdog trigger time specified in this data sheet
RO,l
V
WI,tr
V
DWL
V
V
V
DU
: desired watchdog trigger time
RO
W
D
Watchdog
Timing of the Watchdog Function Reset
100 nF
C
D
. Use the following formula for dimensioning
No positive
V
W
edge
19
t
WD,L
t
WI,tr
C
t
D
WD,L
T
:
WI,p
Application Information
TimingDiagram_Watchdog.vsd
Rev. 1.0, 2008-04-21
TLE4263-2ES
t
t
t
(2)