TLE42994_14 Datasheet, PDF (26/36 Pages) Infineon Technologies AG – Extreme Low Current Consumption In ON State

TLE42994
Block Description and Electrical Characteristics
5.8
Early Warning Function
The additional sense comparator provides an early warning function: Any voltage (e.g. the input voltage) can be
monitored, an undervoltage condition is indicated by setting the comparator’s output to low.
Sense
Input
Voltage
V_{SI, High}
V_{SI, Low}
t
Sense
Output
High
Low
t
AED03049
Figure 9 Sense Timing Diagram
Table 8 Electrical Characteristics Early Warning Function
V_I = 13.5 V, -40 °C ≤ T_j ≤ 150°C, all voltages with respect to ground, positive current flowing into pin (unless
otherwise specified)
Parameter
Symbol
Values
Unit Note / Test Condition Number
Min. Typ. Max.
Sense Comparator Input
Sense Threshold High
Sense Threshold Low
Sense Switching Hysteresis
Sense Input Current
V_SI,high
V_SI,low
V_SI,hy
I_SI
1.34 1.45 1.54 V
1.26 1.36 1.44 V
50 90 130 mV
-1
-0.1 1
µA
–
–
V_SI,hy = V_SI,high - V_SI,low
–
P_5.9.1
P_5.9.2
P_5.9.3
P_5.9.4
Data Sheet
26
Rev. 1.2, 2014-07-03