TLE42994_14 Datasheet, PDF (24/36 Pages) Infineon Technologies AG – Extreme Low Current Consumption In ON State

TLE42994
Block Description and Electrical Characteristics
Table 7 Electrical Characteristics Reset 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.
Output Undervoltage Reset
Default Output Undervoltage Reset V_RT
Switching Thresholds
4.5 4.65 4.8 V
V_Q decreasing
P_5.7.1
Output Undervoltage Reset Threshold Adjustment
Reset Adjust
Switching Threshold
V_RADJ,th 1.26 1.36 1.44 V
3.5 V ≤ V_Q < 5 V
P_5.7.2
Reset Adjustment Range¹⁾
Reset Output RO
V_RT,range 3.50 –
4.65 V
–
P_5.7.3
Reset Output Low Voltage
Reset Output Internal
Pull-up Resistor to V_Q
Optional Reset Output External
Pull-up Resistor to V_Q
Reset Delay Timing
V_RO,low –
R_RO
10
0.1 0.4 V
20 40 kΩ
1 V ≤ V_Q ≤ V_RT
no external R_RO,ext
–
R_RO,ext 5.6 –
–
kΩ 1 V ≤ V_Q ≤ V_RT ;
V_RO ≤ 0.4 V
P_5.7.4
P_5.7.5
P_5.7.6
Delay Pin Output Voltage
Power On Reset Delay Time
Upper Delay
Switching Threshold
V_D
–
–
5
V
–
P_5.7.7
t_rd
17 28 35 ms C_D = 100 nF
P_5.7.8
Calculated Value:
t_rd = C_D * V_DU / I_D,ch
V_DU
–
1.85 –
V
–
P_5.7.9
Lower Delay
Switching Threshold
V_DL
–
0.50 –
V
–
P_5.7.10
Delay Capacitor
Charge Current
I_D,ch
–
8.0 –
µA V_D = 1 V
P_5.7.11
Delay Capacitor
Reset Discharge Current
I_D,dch
–
70 –
mA V_D = 1 V
P_5.7.12
Delay Capacitor
Discharge Time
t_{rr, d}
–
1.9 3
µs
Internal Reset Reaction Time
Reset Reaction Time
t_{rr, int}
–
t_{rr, total}
–
14 20 µs
15.9 23 µs
1) V_RT is scaled linearly, in case the Reset Switching Threshold is modified
2) parameter not subject to production test; specified by design
Calculated Value:
t_{rr, d} = C_D*(V_DU - V_DL)/
I_D,dch
C_D = 100 nF
C_D = 0 nF ²⁾
Calculated Value:
t_{rr, total} = t_{rr, int} + t_rr,d
C_D = 100 nF
P_5.7.13
P_5.7.14
P_5.7.15
Data Sheet
24
Rev. 1.2, 2014-07-03