TLE42754_08 Datasheet, PDF (19/26 Pages) Infineon Technologies AG – Low Dropout Linear Fixed Voltage Regulator

TLE42754
Block Description and Electrical Characteristics
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)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
Output Undervoltage Reset
5.3.1 Output Undervoltage Reset
Switching Thresholds
V_RT
4.5
4.65 4.8
V
V_Q decreasing
Reset Output RO
5.3.2 Reset Output Low Voltage
5.3.3
5.3.4
Reset Output
Sink Current Capability
Reset Output
Leakage Current
V_RO,low
–
0.2
0.4
V
1 V ≤ V_Q ≤ V_RT ;
I_RO = 0.2 mA
I_RO,max
0.2
–
–
mA 1 V ≤ V_Q ≤ V_RT ;
V_RO = 5 V
I_RO,leak
–
0
10
µA
V_RO = 5 V
5.3.5 Reset Output External
Pull-up Resistor to V_Q
Reset Delay Timing
R_RO
5
–
–
kΩ
1 V ≤ V_Q ≤ V_RT ;
V_RO ≤ 0.4 V
5.3.6
5.3.7
Power On Reset Delay Time
Upper Delay
Switching Threshold
t_rd
10
16
22
ms C_D = 47 nF
V_DU
–
1.8
–
V
–
5.3.8 Lower Delay
Switching Threshold
V_DRL
–
0.65 –
V
–
5.3.9 Delay Capacitor
Charge Current
I_D,ch
–
5.5
–
µA V_D = 1 V
5.3.10 Delay Capacitor
Reset Discharge Current
I_D,dch
–
100 –
mA V_D = 1 V
5.3.11 Delay Capacitor
Discharge Time
t_rr,d
–
5.3.12 Internal Reset Reaction Time
t_rr,int
–
0.5
1
4
7
µs Calculated Value:
t_rr,d = C_D*(V_DU -
V_DRL)/ I_D,dch
C_D = 47 nF
TLE42754D
TLE42754G
µs
C_D = 0 nF¹⁾
TLE42754D
TLE42754G
5.3.13 Reset Reaction Time
t_rr,total
–
4.5
8
µs Calculated Value:
t_rr,total = t_rr,int + t_rr,d
C_D = 47 nF
TLE42754D
TLE42754G
1) parameter not subject to production test; specified by design
Data Sheet
19
Rev. 1.1, 2008-09-24