TLE 7469G V53 Infineon Technologies, TLE 7469G V53 Datasheet - Page 15
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TLE 7469G V53
Manufacturer Part Number
TLE 7469G V53
Description
Manufacturer
Infineon Technologies
Datasheet
1.TLE_7469G_V52.pdf
(21 pages)
Specifications of TLE 7469G V53
Packages
PG-DSO-12
Regulator Type
multiple output
Output Voltage
5V3.3V
Accuracy
2.0 %3.0 %
Max. Output Current
215mA200mA
Dropout Voltage
300mV
Circuit Description
Power On Reset
In order to avoid any system failure, a sequence of several conditions has to be passed.
When the level of
for the Power-up reset delay time T
V
output is only released (set to High level) if both output voltages have passed their
specific reset threshold
The reset reaction time T
V
t
microcontroller.
Data Sheet
> T
Q1
Q2
-line. For power-fail, in case of
RR
V
) a logic LOW signal is generated at the pin RO to reset an external
RT1
and only if this test is passed the reset output is switched to HIGH. The Reset
V
Q2
reaches the reset threshold
V
RT1/2
RR
avoids wrong triggering caused by short “glitches” on the
. The reset function and timing is illustrated in
V
Q2
RD
or
. Then a second comparator checks whether
V
15
Q1
power down (
V
RT
, the signal at RO remains LOW
V
Q2
<
V
RT2
Rev. 1.6, 2008-01-22
or
V
Q1
Figure
TLE 7469
<
V
RT1
5.
for