TLE 7469G V53 Infineon Technologies, TLE 7469G V53 Datasheet - Page 15

• Manufacturer Part Number: TLE 7469G V53
• Manufacturer: Infineon Technologies

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