TLE42994V33_14 Datasheet, PDF (22/33 Pages) Infineon Technologies AG – Extreme Low Current Consumption In ON State

TLE42994V33
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
3.00 3.10 3.20 V
V_Q decreasing
P_5.6.1
Output Undervoltage Reset
Headroom
V_RH
50 200 300 mV –
P_5.6.2
Output Undervoltage Reset Threshold Adjustment
Reset Adjust
Switching Threshold
V_RADJ,th 1.26 1.36 1.44 V
V_Q > 2.5 V
P_5.6.3
Reset Adjustment Range¹⁾
Reset Output RO
V_RT,range 2.50 –
3.10 V
–
P_5.6.4
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 –
0.1 0.4 V
R_RO
10 20 40 kΩ
R_RO,ext 5.6 –
–
kΩ
1 V ≤ V_Q ≤ V_RT
no external R_RO,ext
–
1 V ≤ V_Q ≤ V_Q ;
V_RT ≤ 0.4 V
P_5.6.5
P_5.6.6
P_5.6.7
Delay Pin Output Voltage
Power On Reset Delay Time
Upper Delay
Switching Threshold
V_D
–
–
5
V
–
P_5.6.8
t_rd
36 51 60 ms C_D = 100 nF
P_5.6.9
Calculated Value:
t_rd = C_D * V_DU / I_D,ch
V_DU
–
1.85 –
V
–
P_5.6.10
Lower Delay
Switching Threshold
V_DL
–
0.50 –
V
–
P_5.6.11
Delay Capacitor
Charge Current
I_D,ch
–
3.5 –
µA
V_D = 1 V
P_5.6.12
Delay Capacitor
Reset Discharge Current
I_D,dch
–
70 –
mA V_D = 1 V
P_5.6.13
Delay Capacitor
Discharge Time
t_{rr, d}
–
1.7 3.0 µs
Internal Reset Reaction Time
Reset Reaction Time
t_{rr, int}
–
t_{rr, total}
–
20 25 µs
21.7 28 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_5.6.14
P_5.6.15
P_5.6.16
Data Sheet
22
Rev. 1.1, 2014-07-03