TLS850F0TAV33 Datasheet, PDF (26/36 Pages) Infineon Technologies AG – Low Dropout Linear Voltage Regulator

TLS850F0TAV33
Block Description and Electrical Characteristics
Table 9 Electrical Characteristics Watchdog
T_j = -40 °C to +150 °C, V_I = 13.5 V, all voltages with respect to ground (unless otherwise specified)
Typical values are given at T_j = 25 °C
Parameter
Symbol
Values
Unit Note / Test Condition
Number
Min. Typ. Max.
Watchdog Timing
Watchdog Ignore Time
t_WI,i
Watchdog Trigger Time
t_WI,tr
Watchdog Output Low Time
t_WO,low
Load Dependent Watchdog Activation
12.8 16
76.8 96
6.4 8
19.2 ms –
115.2 ms –
9.6 ms –
P_5.9.1
P_5.9.2
P_5.9.6
Watchdog Activation Current
Threshold
I_Q,W,act
–
–
Watchdog Deactivation Current I_Q,W,deact 1
–
Threshold
Watchdog Deactivation Current
Hysteresis
Watchdog Minimum Filter Time
state transition by current
Watchdog Maximum Filter Time
state transition by current
Watchdog Input WI
Watchdog Input
Low Signal Valid
Watchdog Input
High Signal Valid
Watchdog Input
High Signal Pulse Length
Watchdog Input
Low Signal Pulse Length
Watchdog Input
Signal Slew Rate
I_Q,W,hy
0.35 –
t_W,IQ,filter, 100 –
min
t_W,IQ,filter, –
–
max
V_WI,low
–
–
V_WI,high 2.0 –
t_WI,ph
1–
t_WI,pl
1–
dV_WI/dt 1
–
5.5 mA for V_Q,nom = 3.3 V:
P_5.9.45
V_I > 4.23 V;
high current condition must
be applied at least for the
time of t_W,filter,max
–
mA for V_Q,nom = 3.3 V:
P_5.9.46
V_I > 4.23 V;
low current condition must
be applied at least for the
time of t_W,filter,max
–
mA for V_Q,nom = 3.3 V:
V_I > 4.23 V;
–
µs ¹⁾ – see Page 27
P_5.9.47
P_5.9.14
500 µs ¹⁾ – see Page 27
P_5.9.15
0.8 V ²⁾ –
P_5.9.16
–
V
2) _–
P_5.9.17
–
µs ²⁾ V_WI ≥ V_WI,high
P_5.9.19
–
µs ²⁾ V_WI ≤ V_WI,low
P_5.9.20
–
V/µs ²⁾ V_WI,low < V_WI < V_WI,high
P_5.9.21
High Level Input Current
I_WI,H
Watchdog Input internal pull-down R_WI
resistor
– – 3.5
0.9 1.5 2.6
µA V_WI = 3.3 V
MΩ –
P_5.9.22
P_5.9.23
Watchdog Disable Threshold
WI Signal Value
V_WI,dis
1.15 –
1.40 V
for V_Q,nom = 3.3 V:
V_I > 4.6 V;
signal must be applied for
> t_W,filter,max to deactivate
and activate the watchdog
P_5.9.24
Data Sheet
26
Rev. 1.0, 2015-12-01