TLE4473GV53_08 Datasheet, PDF (13/16 Pages) Infineon Technologies AG – Dual Low Drop Voltage Regulator Output 2: 180 mA, 5 V (±2%)

TLE 4473 GV53
TLE 4473 GV52
Electrical Characteristics (cont’d)
V_I1 =13.5 V; V_INH1 =V_INH2= 5V; – 40 °C < T_j < 150 °C; unless otherwise specified
Parameter
Symbol Limit Values Unit Test Condition
min. typ. max.
Watchdog and Reset Timing D1 (cont’d)
Saturation Voltage V_D1,SAT
100 mV V_Q1 < V_RT2
Watchdog trigger
T_WI,tr
time
24 32 40 ms C_D1 = 100 nF
Reset delay time
T_RD1
Reset reaction time T_rr
11 17 23 ms C_D1 = 100 nF
–
5.0 µs C_D1 = 100 nF
Reset Output RO1
Reset switching
V_RT1
2.97 3.08 3.18 V TLE 4473 GV53
threshold
2.34 2.42 2.50 V TLE 4473 GV52
Reset threshold
headroom
V_R1HEAD 100 –
–
mV TLE 4473 GV53
Reset threshold
headroom
V_R1HEAD
80
–
–
mV TLE 4473 GV52
Reset output current I_RO1
Reset output low
voltage
Reset output high
voltage
V_RO1L
V_RO1H
–
–
1.4 mA Collector current of RO1,
power good, reset still
delayed.
V_Q1= 3.30 V
(TLE 4473 GV53),
V_Q1 = 2.60 V
(TLE 4473 GV52);
V_Q2=5.0 V;
V_D1=0 V,V_RO1=0.3 V
–
0.1 0.3 V
V_Q1 ≥ 1 V, V_D1=0V,
I_RO1=0.5mA
2.45 –
–
V
R_RO1,ext=4.7kΩ connected
to Q1;TLE 4473 GV52
Reset output high V_RO1H
3.15 –
–
V
R_RO1,ext=4.7kΩ connected
voltage
to Q1;TLE 4473 GV53
1) Drop voltage = V_I – V_Q (measured when the output voltage has dropped 100 mV from the nominal value
obtained at 13.5 V input)
Data Sheet
13
Rev. 1.1, 2008-09-19