tle7273 Infineon Technologies Corporation, tle7273 Datasheet - Page 17

• Manufacturer Part Number: tle7273
• Description: Low Drop Voltage Regulator
• Manufacturer: Infineon Technologies Corporation

Figure 6
Figure 7
Final-/ *Target Data Sheet
VRO/V
WDI/V
VQ/V
IQ/A
Wnd
Vi/V
V
RT
WDI
WDI
= Watchdog decoder sample point
Closed window
T
RD
Don’t care WDI
during IW
Ingnore Wnd
Window Watchdog Signal Diagram
Window Watchdog Definitions
1. long
OW
1. Correct Trigger
t
ECW
Normal operation
Open window
t
CW
WD,p
OW
CW
OW
No Trigger
in OW
t
rr
T
RD
trigger signal
Not valid
Watchdog
Valid
17
1. long
OW
CW
(Wrong) Trigger
T
RD
in CW
1. long
OW
Open window
I
Q, WD_OFF
Current Controlled
WD-turn off
synchronize WD
1st long open
Current shut down
window to
No Reset during
I
Q, WD_ON
1. long
OW
OW
t
EOW
Rev. 1.0, 2005-11-30
Closed window
CW
TLE 7273
AET02952
Power
t
Fail
rr
t
t
t
t
t
t