TLE4253 Datasheet, PDF (11/22 Pages) Infineon Technologies AG – Low Dropout Voltage Tracking Regulator

TLE4253
Electrical Characteristics
Typical Performance Characteristics Tracking Regulator
V_ADJ/EN = 5 V; V_FB = V_Q (unless otherwise noted)
Load Regulation dV_Q,line vs.
Output Current Change dI_Q
∆V_Q [mV]
I_Q,initial = 0 mA
V_ADJ = 5 V
dV Q-dIQ.vsd
Tracking Accuracy ∆V_Q vs.
Junction Temperature T_j
∆V_Q
[mV]
dV Q-Tj.vsd
0
2
T_j = 25 °C
-1
0
-2
T_j = 125 °C
-2
I_Q = 0.1 mA
I_Q = 200 mA
-3
steady-state condition
0
50
100
150
200
∆Ι_Q [mA]
-4
-40 -20 0 20 40 60 80 100 120 140
T_j [°C]
Line Transient Response
125
∆ V_Q
[mV]
dV I-reponse.vsd
0
-25
V_I
[V]
16
I_Q = 5 mA
C_Q = 10 µF Ceramic
Load Transient Response
∆_[mV_VQ]
50
0
V_I = 13.5 V
V_ADJ = 5 V
[m^{Ι Q}A]
C_Q = 10 µF
100
dIQresponse.vsd
9
0
40
80
100 120
t [µs]
10
0
50
100 150 200
t [µs]
Data Sheet
11
Rev. 1.2, 2009-11-09