TLE4471 datasheet(9/24 Pages) INFINEON

Part #	TLE4471

Description	Triple Voltage Regulator

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Manufacturer	INFINEON [Infineon Technologies AG]

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TLE 4471

Data Sheet

9

Rev. 1.6, 2009-02-03

Output capacitor

C

Q2

10

–

µF

2)

ESR of output

capacitor

ESR

––

3

Ω

at 10 kHz

2)

Tracked Output Q3

Output voltage

tracking accuracy

∆V

Q3 =

V

Q3 - VQ1

-25

–

25

mV

5.7 V <

V

I < 19 V;

1 mA <

I

Q3 < 50 mA

Output voltage

tracking accuracy

∆V

Q3 =

V

Q3 - VQ1

-25

–

25

mV

5.7 V <

V

I < 28 V;

1 mA <

I

Q3 < 40 mA

Output voltage

tracking accuracy

∆V

Q3 =

V

Q3 - VQ1

-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

––

3

Ω

at 10 kHz

2)

Matching error

between

V

Q2 and VQ3

∆V

Q2,3 =

V

Q3 - VQ2

-25

–

25

mV

–

Current Consumption

Quiescent current

(standby)

I

q

––

20

µA

Q1 OFF, Q2 OFF; Q3

OFF

Current consumption;

I

q = II - IQ

I

q

–1100 –

µA

Q3 OFF,

I

Q1 < 1 mA;

I

Q2 < 1 mA

Current consumption;

I

q = II - IQ

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; Tj = -40 °C < Tj < 125 °C

Parameter

Symbol

Limit Values

Unit Measuring Condition

Min.

Typ.

Max.

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