Datasheet

Data Sheet 10 Rev. 1.6, 2008-01-22
TLE 7469
Closed window time t
CW
25.6 32.0 38.4 ms Fast Timing
102 128 154 ms Slow Timing
Window watchdog
trigger time
t
WD
39.0 44.8 50.6 ms Fast Timing
156 179 202 ms Slow Timing
Reset Output RO
Reset switching
threshold 2
V
RT2
2.35 2.38 2.48 V TLE 7469 GV52,
V
Q2
decreasing
Reset Headroom 2
V
RH2
130 190 mV TLE 7469 GV52
Reset switching
threshold 2
V
RT2
3.00 3.07 3.15 V TLE 7469 GV53,
V
Q2
decreasing
Reset Headroom 2
V
RH2
165 240 mV TLE 7469 GV53
Reset hysteresis 2
V
RH2
– 45 – mV TLE 7469 GV52
3)
– 60 – mV TLE 7469 GV53
4)
Reset switching
threshold 1
V
RT1
4.50 4.65 4.80 V V
Q1
decreasing
Reset hysteresis 1
V
RH1
–90–mV–
Reset sink current
I
RO
––1mAV
Q
= 5 V, V
RO
= 0.5 V
Reset output low
voltage
V
ROL
–0.150.25VV
Q2
≥ 1 V
Reset high voltage
V
ROH
4.5 – – V –
Integrated reset pull-
up resistor
R
RO
10 20 40 kΩ Internally connected to
Q1
Power-up Reset
delay time
T
RD
6.0 8.0 10.0 ms Fast Timing
(
V
DT
≥ 4.5 V)
24.0 32.0 40 ms Slow Timing
(
V
DT
≤ 3.3 V)
Reset Reaction Time T
RR
–1026µs–
Table 4 Electrical Characteristics (cont’d)
V
I1
= 13.5 V; V
I2
= 13.5 V; -40 °C < T
j
< 150 °C; unless otherwise specified
Parameter Symbol Limit Values Unit Test Condition
Min. Typ. Max.