tle4675 Infineon Technologies Corporation, tle4675 Datasheet - Page 21

• Manufacturer Part Number: tle4675
• Description: Low Drop Out Linear Voltage Regulator 5v Fixed Output Voltage
• Manufacturer: Infineon Technologies Corporation

Electrical Characteristics: Reset Function (cont’d)
V
all voltages with respect to ground, direction of currents as shown in
Pos.
7.2.15
7.2.16
7.2.17
7.2.18
1) Parameter not subject of production test.
2) For programming a different delay and reset reaction time, see
7.3
Undervoltage Reset Switching Thresholds
V
Data Sheet
I
RO,lo
= 13.5 V,
V
V
Q
RT
,
5.0
4,9
4,8
4,7
V
[V],
[V]
RO,hi
-40
Parameter
Power-on Reset Delay
Time
Internal Reset Reaction
Time
Delay Capacitor Discharge
Time
Total Reset Reaction Time
T
Typical Performance Characteristics Reset Function
-20
versus
j
V
V
= -40 C to +150 C,
V
RT,hi
RT,lo
Q
0
T
20 40
j
Output Undervoltage
Reset Headroom
60
Pin RADJ = GND
80 100
Symbol
t
t
t
t
d,PWR-ON,100nF
rr,int
rr,d
rr,total
120
T
V
j
VRT-Tj .v s d
140
[°C]
RH
Min.
23
–
–
–
21
Limit Values
Reset Delay Time
Delay Capacitor
Chapter 7.1
Typ.
33
10
1
11
t
d ,PWR- ON
[ms]
t
d
100
,
10
1
10
Figure 7
Max.
43
15
2
17
for calculation.
C
t
D
Unit
ms
d
(unless otherwise specified)
s
s
s
,
t
t
d,PWR-ON
d,PWR_ON
Conditions
Calculated value;
C
C
C
C
Calculated Value:
t
C
t
rr,total
d
100
D
D
D
D
D
(typ.)
(typ.)
discharged to 0 V
= 0 nF
= 100 nF
= 100 nF
versus
100 nF
= t
Rev. 1.0, 2008-09-30
rr,d
Reset Function
+
C
2)
2)
t
D
rr,int
[nF]
TLE4675
td -CD .v s d
1000