TLE4471 datasheet(8/24 Pages) INFINEON

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Data Sheet

Rev. 1.6, 2009-02-03

TLE 4471

Table 4

Characteristics

I = 13.5 V; Tj = -40 °C < Tj < 125 °C

Parameter

Symbol

Limit Values

Unit Measuring Condition

Min.

Typ.

Max.

Main Output Q1

Output voltage

4.95.0

5.1V

10 mA <

Q1 < 450 mA;

5.5 V <

I < 19 V

Output voltage

4.85.0

5.2V

10 mA <

Q1 < 300 mA;

5.5 V <

I < 28 V

Output voltage

4.85.0

5.2V

10 mA <

Q1 < 200 mA;

5.5 V <

I < 40 V

Output current limit

550

–

1500

Q1 = 0.1 V

Output voltage drop

–

0.25

0.55

Q1 = 450 mA

Line regulation

∆V

-25

–

8 V

≤ V

I ≤ 16 V;

Q1 = 10 mA

Load regulation

∆V

-25

–

10 mA <

Q1 < 450 mA;

I = 7 V

Power Supply Ripple

Rejection

PSRR

–30

–

Q1 = 22 µF;

20 Hz <

r < 20 kHz;

PP = 0.5 V

Output capacitor

–

µF

ESR of output

capacitor

ESR

––

Ω

at 10 kHz

Tracked Output Q2

Output voltage

tracking accuracy

∆V

Q2 =

Q2 - VQ1

-25

–

5.7 V <

I < 19 V;

1 mA <

Q2 < 100 mA

Output voltage

tracking accuracy

∆V

Q2 =

Q2 - VQ1

-25

–

5.7 V <

I < 28 V;

1 mA <

Q2 < 80 mA

Output voltage

tracking accuracy

∆V

Q2 =

Q2 - VQ1

-25

–

5.7 V <

I < 40 V;

1 mA <

Q2 < 50 mA

Output current limit

110

–

Q2 = 0.1 V

Output voltage drop

DR2

––

0.6

Q2 = 100 mA

Power Supply Ripple

Rejection

PSRR

–

20 Hz <

r < 20 kHz;

PP = 0.5 V;

Q2 = 10 µF

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