Datasheet

TLE 4471
Data Sheet 9 Rev. 1.6, 2009-02-03
Output capacitor C
Q2
10 – – µF
2)
ESR of output
capacitor
ESR ––3Ω at 10 kHz
2)
Tracked Output Q3
Output voltage
tracking accuracy
∆
V
Q3
=
V
Q3
- V
Q1
-25 – 25 mV 5.7 V < V
I
< 19 V;
1 mA <
I
Q3
< 50 mA
Output voltage
tracking accuracy
∆
V
Q3
=
V
Q3
- V
Q1
-25 – 25 mV 5.7 V < V
I
< 28 V;
1 mA <
I
Q3
< 40 mA
Output voltage
tracking accuracy
∆
V
Q3
=
V
Q3
- V
Q1
-25 – 25 mV 5.7 V < V
I
< 40 V;
1 mA <
I
Q3
< 25 mA
Output current limit
I
Q3
55 – 150 mA V
Q3
= 0.1 V
Output voltage drop
V
DR3
– – 0.6 V 1 mA ≤ I
Q3
≤ 50 mA
Power Supply Ripple
Rejection
PSRR – 30 – dB 20 Hz < f
r
< 20 kHz;
V
PP
= 0.5 V;
C
Q3
= 10 µF
2)
Output capacitor C
Q3
10 – – µF
2)
ESR of output
capacitor
ESR ––3Ω at 10 kHz
2)
Matching error
between
V
Q2
and V
Q3
∆V
Q2,3
=
V
Q3
- V
Q2
-25 – 25 mV –
Current Consumption
Quiescent current
(standby)
I
q
––20µA Q1 OFF, Q2 OFF; Q3
OFF
Current consumption;
I
q
= I
I
- I
Q
I
q
–1100–µA Q3 OFF, I
Q1
< 1 mA;
I
Q2
< 1 mA
Current consumption;
I
q
= I
I
- I
Q
I
q
–1800–µA I
Q1
< 10 mA;
I
Q2
< 1 mA;
I
Q3
< 1 mA
Table 4 Characteristics (cont’d)
V
I
= 13.5 V; T
j
= -40 °C < T
j
< 125 °C
Parameter Symbol Limit Values Unit Measuring Condition
Min. Typ. Max.