TLE6711_07 Datasheet, PDF (18/25 Pages) Infineon Technologies AG – Multifunctional Voltage Regulator and Watchdog

TLE 6711
Circuit Description
Electrical Characteristics: Watchdog Generator; WDI (cont’d)
V_CC = 4.75 V to 5.25 V; V_Boost = 8 V to 35 V, T_j = -40 °C to +150 °C, R_R = 47 kΩ; all voltages with respect to ground,
positive current flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.5.42 Reset duration;
after watchdog time-out
t_WDR
–
64
–
t_CYL V_CC ≥ 4.8 V
4.5.43 Open window time
t_OW
–
32
–
t_CYL V_CC ≥ 4.8 V
4.5.44 Closed window time
t_CW
–
32
–
t_CYL V_CC ≥ 4.8 V
4.5.45 Window watchdog trigger time
t_WD
–
46.4 –
t_CYL V_CC ≥ 4.8 V
Electrical Characteristics: System Enable Output; SEN
V_CC = 4.75 V to 5.25 V; V_Boost = 8 V to 35 V, T_j = -40 °C to +150 °C, R_R = 47 kΩ; all voltages with respect to ground,
positive current flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.5.46 Enable low voltage
4.5.47 Enable low voltage
4.5.48 Enable high voltage
V_SENL
V_SENL
V_SENH
–
0.2
–
0.2
V_CC - –
0.1
0.4
V
0.4
V
V_CC + V
0.1
I_SENL = 2 mA;
2.5 V < V_CC < V_RT
I_SENL = 0.2 mA;
1 V < V_CC < V_RT
I_SENH = 0 mA
4.5.49 Enable pull-up current
I_SEN
–
240 –
µA
0 V < V_SEN < 4 V
Electrical Characteristics: Boost Status Output; OVL
V_CC = 4.75 V to 5.25 V; V_Boost = 8 V to 35 V, T_j = -40 °C to +150 °C, R_R = 47 kΩ; all voltages with respect to ground,
positive current flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.5.50 Enable low voltage
V_OVLL
–
0.2
0.4
V
4.5.51 Boost feedback threshold voltage V_OVLTH 2.3
2.45 2.6
V
I_OVLL = 1 mA;
2.5 V < V_CC < V_RT
See application
circuit
Electrical Characteristics: Thermal Shutdown (Boost and Buck-Converter OFF)
V_CC = 4.75 V to 5.25 V; V_Boost = 8 V to 35 V, T_j = -40 °C to +150 °C, R_R = 47 kΩ; all voltages with respect to ground,
positive current flowing into pin (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
Min. Typ. Max.
4.5.52 Thermal shutdown junction
temperature
T_jSD
150 175 200 °C
–
4.5.53 Thermal switch-on junction
temperature
T_jSO
120 –
170 °C
–
4.5.54 Temperature hysteresis
∆T
–
30
–
K
–
Data Sheet
18
Rev. 3.4, 2007-08-16