TLE 6365

Data Sheet Rev. 1.7

9

2003-06-02

2

Circuit Description

Below some important sections of the TLE 6365 are described in more detail.

Power On Reset

In order to avoid any system failure, a sequence of several conditions has to be passed.

In case of

V

pin RO to reset an external microcontroller. When the level of

V

threshold

V

before switching to HIGH. If

V

the reset reaction time

t

period

t

“glitches” on the

V

Figure 3

Reset Function

ON Delay

ON Delay

invalid

invalid

ON Delay

Start Up

invalid

t

V

CC

RO

H

L

V

PG

V

RT

t

1V

typ.4,65V

typ.4,70V

t

RD

< t

RR

t

RR

< t

RD

t

RD

Power

Sart-Up

Normal

Normal

Failed

N

Failed

started

stopped