TLE4254
Electrical Characteristics
Typical Performance Characteristics Tracking Regulator
Output Current Limitation IQ,max Output Current Limitation IQ,max Reverse Output Current IQ vs.
vs. Input Voltage VI, VADJ,EN = 5V vs. Input Voltage VI, VADJ,EN = 2V Output Voltage VQ
120
S OA _5V .V S D
120
S OA _2V .V S D
+1
IQ-V Q.vsd
IQ [mA]
VADJ = 5 V
IQ [mA]
VADJ = 2 V
IQ [mA]
0
80
60
40
Tj = 150 °C
Tj = 25 °C
20
Tj = -40 °C
80
T = 150 °C
j
60
Tj = 25 °C
40
T = -40 °C
j
20
-1
Tj = -40 °C
-2
Tj = 150 °C
-3
VI = 0 V
-4
VADJ = 5 V
0
10
20
30
40
VI [V]
0
10
20
30
40
VI [V]
0
8
16
24
32
VQ [V]
Dropout Voltage Vdr vs.
Output Current IQ
Dropout Voltage Vdr vs.
Junction Temperature Tj
Reverse Current II vs.
Input Voltage VI
1000
V dr [mV]
V dr-IQ_log.vsd
V dr [mV]
350
IQ = 70 mA
V dr-Tj.vsd
+1
II [mA]
VQ = 0 V
VADJ = 5 V
100
300
-1
-2
Tj = -40 °C
250
10
150
-3
Tj = 150 °C
-4
Tj = 25 °C
100
0.1
1
10
70
IQ [mA]
-40 -20 0 20 40 60 80 100 120 140
Tj [°C]
-20
-15
-10
II-V I.vsd
-5
0
VI [V]
Data Sheet
11
Rev. 1.2, 2009-11-18