tle42994 Infineon Technologies Corporation, tle42994 Datasheet - Page 22

• Manufacturer Part Number: tle42994
• Description: Low Dropout Fixed Voltage Regulator
• Manufacturer: Infineon Technologies Corporation

Electrical Characteristics Reset Function
V
(unless otherwise specified)
Pos.
Output Undervoltage Reset
5.7.1
Output Undervoltage Reset Threshold Adjustment
5.7.2
5.7.3
Reset Output RO
5.7.4
5.7.5
5.7.6
Reset Delay Timing
5.7.7
5.7.8
5.7.9
5.7.10
5.7.11
5.7.12
5.7.13
5.7.14
5.7.15
1)
2) parameter not subject to production test; specified by design
Data Sheet
I
= 13.5 V, -40 °C ≤
V
RT
is scaled linearly, in case the Reset Switching Threshold is modified
Parameter
Default Output Undervoltage Reset
Switching Thresholds
Reset Adjust
Switching Threshold
Reset Adjustment Range
Reset Output Low Voltage
Reset Output Internal
Pull-up Resistor to
Optional Reset Output External
Pull-up Resistor to
Delay Pin Output Voltage
Power On Reset Delay Time
Upper Delay
Switching Threshold
Lower Delay
Switching Threshold
Delay Capacitor
Charge Current
Delay Capacitor
Reset Discharge Current
Delay Capacitor
Discharge Time
Internal Reset Reaction Time
Reset Reaction Time
T
j
≤ 150 °C, all voltages with respect to ground, positive current flowing into pin
V
V
Q
Q
1)
Symbol
V
V
V
V
R
R
V
t
V
V
I
I
t
t
t
rd
rr,d
rr,int
rr,total
D,ch
D,dch
RT
RADJ,th
RT,range
RO,low
RO
RO,ext
D
DU
DL
22
Min.
4.5
1.26
3.50
–
10
5.6
–
17
–
–
–
–
–
–
–
Block Description and Electrical Characteristics
Limit Values
Typ.
4.65
1.36
–
0.1
20
–
–
28
1.85
0.50
8.0
70
1.9
14
15.9
Max.
4.8
1.44
4.65
0.4
40
–
5
35
–
–
–
–
3
20
23
Unit
V
V
V
V
kΩ
kΩ
V
ms
V
V
µA
mA
µs
µs
µs
Rev. 1.0, 2008-12-04
Conditions
V
3.5 V ≤
–
1 V ≤
no external
–
1 V ≤
V
–
C
Calculated Value:
t
–
–
V
V
Calculated Value:
t
V
C
C
Calculated Value:
t
C
rd
rr,d
rr,total
Q
RO
D
D
DL
D
D
D
D
=
decreasing
= 1 V
= 1 V
= 100 nF
)/
= 100 nF
= 0 nF
= 100 nF
=
≤ 0.4 V
C
I
C
=
V
V
D
D,dch
D
Q
Q
t
TLE42994
V
*
*(
rr,int
≤
≤
Q
V
V
2)
< 5 V
V
V
DU
DU
R
+
RT
RT
RO,ext
/
t
-
rr,d
;
I
D,ch