Datasheet

TLE 4270-2
Data Sheet 7 Rev. 1.8, 2007-11-09
Upper reset timing
threshold
V
DU
1.4 1.8 2.3 V –
Lower reset timing
threshold
V
DL
0.2 0.45 0.8 V V
Q
< V
RT
Delay time t
rd
–13–msC
D
= 100 nF
Reset reaction time
t
rr
––3µs C
D
= 100 nF
Overvoltage Protection
Turn-Off voltage
V
I, ov
42 44 46 V –
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)
2) Reset peak is always lower than 1.0 V.
Table 4 Characteristics (cont’d)
V
I
= 13.5 V; -40 °C ≤ T
j
≤ 125 °C (unless otherwise specified)
Parameter Symbol Limit Values Unit Test Condition
Min. Typ. Max.