Datasheet

TLE4253
Electrical Characteristics
Data Sheet 10 Rev. 1.2, 2009-11-09
Typical Performance Characteristics Tracking Regulator
V
ADJ/EN
= 5 V; V
FB
= V
Q
(unless otherwise noted)
Output Capacitor Series Resistor
ESR
CQ
vs.
Output Current
I
Q
Output Capacitor Series Resistor
ESR
CQ
vs.
Output Current
I
Q
Power Supply
Ripple Rejection
PSRR
Line Regulation d
V
Q,line
vs.
Input Voltage Change d
V
I
E S R-IQ_10u.vsd
1
0.1
0.01
ESR
CQ
[Ω]
0
I
Q
[mA]
100 150
50 200
10
C
Q
= 10 µF
6 V <
V
I
< 28 V
-40 °C <
T
j
< 150 °C
Stable
Region
ES R-IQ_6u8.vsd
1
0.1
0.01
ESR
CQ
[Ω]
0
I
Q
[mA]
100 150
50 200
10
C
Q
= 6.8 µF
6 V <
V
I
< 28 V
-40 °C <
T
j
< 150 °C
Stable
Region
0.01
f [kHz]
10
PSRR
[dB]
PSRR.vsd
70
60
0.1 1 100
90
40
50
I
Q
= 1 mA
V
RIPPLE
= 1 V
V
IN
= 13.5 V
C
Q
= 10 µF Ceramic
T
j
= 25 °C
I
Q
= 100 mA
0
∆ V
I
[V]
5 1520 3035
∆ V
Q
[mV]
dVQ-dVI.vsd
-1
-2
-3
0
10 25
2
0
I
Q
= 10 mA
steady-state condition
V
I,initial
= 6 V
V
ADJ
= 5 V
I
Q
= 100 mA