TLE4250-2 Datasheet, PDF (9/17 Pages) Infineon Technologies AG – Low Dropout Voltage Tracking Regulator

TLE4250-2
Electrical Characteristics
Typical Performance Characteristics Tracking Regulator
V_ADJ/EN = 5 V (unless otherwise noted)
Load Regulation dV_Q,line vs.
Output Current Change dI_Q
∆V_Q [mV]
dV Q-dIQ.vsd
I_Q,initial = 1 mA
V_ADJ = 5 V
-2
T_j = 25 °C
Output Capacitor Series Resistor ESR_CQ
vs. Output Current I_Q
10
ESR- IQ.vsd
ESR _CQ
[Ω]
C_Q = 2.2 µF
1
C_Q = 1 µF
-4
T_j = 125 °C
-6
Stable
Region
0.1
-8
steady-state condition
0
12
24
36
48
∆Ι_Q [mA]
0.01
0
V_I < 28 V
-40 °C < T_j < 150 °C
10
20
30
40
50
I_Q [mA]
Line Transient Response
∆_[mV_VQ]
dV I-reponse.vsd
Load Transient Response
∆_[mV_VQ]
dIQresponse.vsd
0
-20
-40
V_I
[V]
16
I_Q = 5 mA
C_Q = 2.2 µF Ceramic
0
-50
[m^ΙQA]
30
V_I = 13.5 V
V_ADJ = 5 V
C_Q = 2.2 µF Ceramic
9
0
20
40
60
80
t [µs]
5
0
20
40
60
80
t [µs]
Data sheet
9
Rev. 1.0, 2007-07-24