TLE42794_14 Datasheet, PDF (20/32 Pages) Infineon Technologies AG – Very low Current Consumption

TLE42794
Block Description and Electrical Characteristics
Table 6 Electrical Characteristics Reset Function (cont’d)
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.
Reset Output RO
Reset Output Low Voltage
Reset Output External
Pull-up Resistor to V_Q
Reset Delay Timing
V_RO,low
–
0.1 0.4 V
1 V ≤ V_Q ≤ V_RT
P_5.6.4
external R_RO,ext = 10 kΩ
R_RO,ext
10
–
–
kΩ 1 V ≤ V_Q ≤ V_RT ; V_RO ≤ P_5.6.5
0.4 V
Delay Pin Output Voltage
Power On Reset Delay Time
Upper Delay
Switching Threshold
V_D
––
5
V–
t_rd
17 28 39 ms C_D = 100 nF
V_DU
– 1.8 –
V–
P_5.6.6
P_5.6.7
P_5.6.8
Lower Delay
Switching Threshold
V_DL
– 0.45 –
V–
P_5.6.9
Delay Capacitor
Charge Current
I_D,ch
– 6.5 –
µA V_D = 1 V
P_5.6.10
Delay Capacitor
Reset Discharge Current
I_D,dch
– 70 –
mA V_D = 1 V
P_5.6.11
Delay Capacitor
Discharge Time
Internal Reset Reaction Time
Reset Reaction Time
t_{rr, d}
– 1.9 3
µs Calculated Value:
P_5.6.12
t_rr,d = C_D*(V_DU - V_DL)/
I_D,dch
C_D= 100 nF
t_{rr, int}
–3
7
µs C_D = 0 nF ²⁾
P_5.6.13
t_{rr, total}
–
4.9 10 µs Calculated Value:
t_{rr, total} = t_{rr, int} + t_rr,d
CD = 100 nF
P_5.6.14
1) V_RT is scaled linearly, in case the Reset Switching Threshold is modified
2) parameter not subject to production test; specified by design
Data Sheet
20
Rev. 1.2, 2014-07-03