TLE4254 Datasheet, PDF (10/21 Pages) Infineon Technologies AG – High Accuracy Low Dropout Voltage Tracking Regulator

TLE4254
Electrical Characteristics
Typical Performance Characteristics Tracking Regulator
Tracking Accuracy ∆V_Q vs.
Junction Temperature T_j
∆V_Q
[mV]
Output Capacitor Series Resistor Output Capacitor Series Resistor
ESR_CQ vs. Output Current I_Q
ESR_CQ vs. Output Current I_Q
dV Q-Tj.vsd
10
ESR _CQ
[Ω]
E S R-IQ_1u.vsd
10
ESR _CQ
[Ω]
E S R-IQ_470n.vsd
0
I_Q = 0.1 mA
1
-1
I_Q = 70 mA
-2
0.1
-3
-4
-40 -20 0 20 40 60 80 100 120 140
T_j [°C]
0.01
0
Stable
1
Region
0.1
C_Q = 1 µF
6 V < V_I < 28 V
-40 °C < T_j < 150 °C
15
30
45
60
0.01
0
I_Q [mA]
Stable
Region
C_Q = 470 nF
6 V < V_I < 28 V
-40 °C < T_j < 150 °C
15
30
45
60
I_Q [mA]
Output Voltage V_Q vs.
Adjust Voltage V_ADJ,EN
Output Voltage V_Q vs.
Input Voltage V_I
V Q-V A DJ.vsd
V Q-V I.vsd
V_Q [V]
V_I = 13.5 V
T_j = 25 °C
V_Q [V]
V_dr
5
4
4
3
3
2
1
1
2
3
4
V_ADJ [V]
2
V =5V
1
ADJ
T = 25 °C
j
1
3
5
7
V_I [V]
Data Sheet
10
Rev. 1.2, 2009-11-18