Datasheet

TLE 4269
Data Sheet 9 Rev. 2.4, 2007-03-20
Reset Generator
Switching threshold
V
RT
4.50 4.65 4.80 V –
Reset adjust switching
threshold
V
RADJ, TH
1.26 1.35 1.44 V V
Q
> 3.5 V
Reset pull-up – 10 20 40 kΩ –
Saturation voltage
V
RO, SAT
–0.10.4VR
intern
Upper delay switching
threshold
V
UD
1.4 1.8 2.2 V –
Lower delay switching
threshold
V
LD
0.3 0.45 0.60 V –
Saturation voltage delay
capacitor
V
D, SAT
–– 0.1VV
Q
< V
RT
Charge current I
D
3.0 6.5 9.5 µA V
D
= 1 V
Delay time L → H
t
d
17 28 – ms C
D
= 100 nF
Delay time H → L
t
t
–1 – µs C
D
= 100 nF
Input Voltage Sense
Sense threshold high
V
SI, high
1.24 1.31 1.38 V –
Sense threshold low
V
SI, low
1.16 1.20 1.28 V –
Sense output low
voltage
V
SO, low
–0.10.4VV
SI
< 1.20 V; V
Q
> 3 V,
R
intern
Sense pull-up – 10 20 40 kΩ –
Sense input current
I
SI
-10.11 µA–
1) Drop voltage = V
I
- V
Q
measured when the output voltage has dropped 100 mV from the nominal value
obtained at 13.5 V input.
Table 5 Characteristics (cont’d)
V
I
= 13.5 V; T
j
= -40 °C < T
j
< 125 °C
Parameter Symbol Limit Values Unit Measuring
Condition
Min. Typ. Max.