Datasheet

Datasheet 10 Rev. 1.1, 2007-10-17
TLE 4299
Reset Generator
Switching threshold
V
rt
3.00 3.10 3.20 V –
Reset threshold
headroom
V
RTHEAD
50 200 300 mV –
Reset pull up
R
RO
10 20 40 kΩ –
Reset low voltage
V
R
– 0.17 0.40 V V
Q
< 3.0 V; internal R
RO
;
I
R
=1mA
External reset pull up
V
R ext
5.6 – – kΩ Pull up resistor Q
Delay switching threshold
V
DT
1.6 1.85 2.35 V –
Switching threshold
V
ST
0.35 0.50 0.60 V –
Reset delay low voltage
V
D
––0.1VV
Q
< V
RT
Charge current I
ch
2.0 3.5 6.0 µA V
D
=1V
Power-up Reset delay
time
t
d
36 51 60 ms C
D
=100nF
Reset reaction time
t
rr
0.5 1.2 3.0 µs C
D
=100nF
Reset Adjust Switching
Threshold
V
RADJ
TH
1.26 1.36 1.44 V V
Q
< 3.5V
Input Voltage Sense
Sense threshold high
V
SI high
1.34 1.45 1.54 V –
Sense threshold low
V
SI low
1.26 1.36 1.44 V –
Sense input switching
hysteresis
V
SI HYST
50 90 130 mV V
SI HYST
= V
SI high
– V
SI low
Sense output low voltage V
SO low
–0.10.4VV
SI
<1.20V; V
i
>4.2V;
I
SO
= 1mA
External SO pull up
resistor
R
SO ext
5.6 – – kΩ –
Sense input current
I
SI
– 10.11 µA Si > 1.0V
Characteristics (cont’d)
V
I
=13.5V; T
j
= – 40 °C<T
j
<150 °C
Parameter Symbol Limit Values Unit Measuring Condition
min. typ. max.