Datasheet

Data Sheet 8 Rev. 1.6, 2009-02-03
TLE 4471
Table 4 Characteristics
V
I
= 13.5 V; T
j
= -40 °C < T
j
< 125 °C
Parameter Symbol Limit Values Unit Measuring Condition
Min. Typ. Max.
Main Output Q1
Output voltage V
Q1
4.95.05.1V 10 mA < I
Q1
< 450 mA;
5.5 V <
V
I
< 19 V
Output voltage
V
Q1
4.85.05.2V 10 mA < I
Q1
< 300 mA;
5.5 V <
V
I
< 28 V
Output voltage
V
Q1
4.85.05.2V 10 mA < I
Q1
< 200 mA;
5.5 V <
V
I
< 40 V
Output current limit
I
Q1
550 – 1500 mA V
Q1
= 0.1 V
Output voltage drop
V
DR
– 0.25 0.55 V I
Q1
= 450 mA
1)
Line regulation ∆V
Q1
-25 – 25 mV 8 V ≤ V
I
≤ 16 V;
I
Q1
= 10 mA
Load regulation ∆
V
Q1
-25 – 25 mV 10 mA < I
Q1
< 450 mA;
V
I
= 7 V
Power Supply Ripple
Rejection
PSRR –30–dBC
Q1
= 22 µF;
20 Hz <
f
r
< 20 kHz;
V
PP
= 0.5 V
2)
Output capacitor C
Q1
22 – – µF
2)
ESR of output
capacitor
ESR ––3Ω at 10 kHz
2)
Tracked Output Q2
Output voltage
tracking accuracy
∆
V
Q2
=
V
Q2
- V
Q1
-25 – 25 mV 5.7 V < V
I
< 19 V;
1 mA <
I
Q2
< 100 mA
Output voltage
tracking accuracy
∆
V
Q2
=
V
Q2
- V
Q1
-25 – 25 mV 5.7 V < V
I
< 28 V;
1 mA <
I
Q2
< 80 mA
Output voltage
tracking accuracy
∆
V
Q2
=
V
Q2
- V
Q1
-25 – 25 mV 5.7 V < V
I
< 40 V;
1 mA <
I
Q2
< 50 mA
Output current limit
I
Q2
110 – – mA V
Q2
= 0.1 V
Output voltage drop
V
DR2
––0.6VI
Q2
= 100 mA
Power Supply Ripple
Rejection
PSRR – 30 – dB 20 Hz < f
r
< 20 kHz;
V
PP
= 0.5 V;
C
Q2
= 10 µF
2)