tle4473 Infineon Technologies Corporation, tle4473 Datasheet - Page 13
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tle4473
Manufacturer Part Number
tle4473
Description
Dual Low Drop Voltage Regulator
Manufacturer
Infineon Technologies Corporation
Datasheet
1.TLE4473.pdf
(15 pages)
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Electrical Characteristics (cont’d)
V
Parameter
Watchdog and Reset Timing D1 (cont’d)
Saturation Voltage
Watchdog trigger
time
Reset delay time
Reset reaction time
Reset Output RO1
Reset switching
threshold
Reset threshold
headroom
Reset threshold
headroom
Reset output current I
Reset output low
voltage
Reset output high
voltage
Reset output high
voltage
1) Drop voltage =
Data Sheet
I1
obtained at 13.5 V input)
=13.5 V;
V
INH1
V
I
–
=
V
Q
V
(measured when the output voltage has dropped 100 mV from the nominal value
INH2
Symbol
V
T
T
T
V
V
V
V
V
V
RO1
WI,tr
RD1
rr
D1,SAT
RT1
R1HEAD
R1HEAD
RO1L
RO1H
RO1H
= 5V; – 40 °C <
min. typ.
24
11
–
2.97
2.34
100
80
–
–
2.45
3.15
Limit Values
32
17
3.08
2.42
–
–
–
0.1
–
–
T
j
13
< 150 °C; unless otherwise specified
max.
100
40
23
5.0
3.18
2.50
–
–
1.4
0.3
–
–
Unit Test Condition
mV
ms
ms
µs
V
V
mV
mV
mA
V
V
V
V
C
C
C
TLE 4473 GV53
TLE 4473 GV52
TLE 4473 GV53
TLE 4473 GV52
Collector current of RO1,
power good, reset still
delayed.
V
(TLE 4473 GV53),
V
(TLE 4473 GV52);
V
V
V
I
R
to Q1;TLE 4473 GV52
R
to Q1;TLE 4473 GV53
RO1
Q1
Q1
Q1
Q2
D1
Q1
RO1,ext
RO1,ext
D1
D1
D1
= 3.30 V
=0 V,V
=5.0 V;
< V
≥ 1 V, V
= 100 nF
= 100 nF
= 100 nF
=0.5mA
= 2.60 V
RT2
=4.7kΩ connected
=4.7kΩ connected
Rev. 1.0, 2004-07-14
TLE 4473 GV53
TLE 4473 GV52
RO1
D1
=0.3 V
=0V,