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TLE4471 데이터 시트보기 (PDF) - Infineon Technologies
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TLE4471
Triple Voltage Regulator
Infineon Technologies
TLE4471 Datasheet PDF : 24 Pages
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TLE 4471
Table 4
Characteristics
(cont’d)
V
I
= 13.5 V;
T
j
=
-
40
°
C <
T
j
< 125
°
C
Parameter
Symbol
Limit Values
Unit Measuring Condition
Min. Typ. Max.
Reset delay charging
I
DR, ch
2
46
µ
A
V
DR
= 1 V
current
Reset delay
discharge current
I
DR, dis
60 120 160 mA
V
DR
= 1 V
Upper reset timing
threshold
V
DR, dt
0.9 1.8 2.7 V –
Lower timing
threshold
V
DR, st
0.25 0.4 0.65 V –
Reset delay time
t
dr
Reset reaction time
t
rr
Watchdog
35 50 70
0.5 – 3
ms
C
R
= 100 nF
µ
s
C
R
= 100 nF
Watchdog input
R
W
pull-down resistor
5
15 40 k
Ω
–
Watchdog delay
charging current
I
DW, ch
2
46
µ
A
V
DW
= 1 V;
V
DR
= 2.7 V
Watchdog upper
timing threshold
V
DW, dt
1.5 1.9 2.5 V –
Watchdog lower
timing threshold
V
DW, st
0
30 200 mV –
Watchdog trigger
t
wp
pulse interval
35 50 70 ms
C
DW
= 100 nF
Reference Output REF2
Voltage divider ratio
V
REF2
Output impedance
R
REF2
Output clamp voltage –
49.5 50
10 –
–
–
50.5
20
4.5
%
of –
V
Q2
k
Ω
–
V–
Data Sheet
11
Rev. 1.6, 2009-02-03
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