TLE4251_07 datasheet(6/13 Pages) INFINEON | Low Drop Voltage Tracker 400 mA output current capability

Part No.	TLE4251

Description	Low Drop Voltage Tracker 400 mA output current capability

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Manufacturer	INFINEON [Infineon Technologies AG]

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Data Sheet

6

Rev. 2.9, 2007-03-20

TLE 4251

Table 4

Electrical Characteristics

V

I = 13.5 V; 2.5 V ≤ VADJ ≤ VI - 0.5 V; -40 °C < Tj < 150 °C; unless otherwise specified

Parameter

Symbol

Limit Values

Unit

Test Condition

Min.

Typ.

Max.

Output

Output voltage tracking

accuracy

ΔV

Q = VADJ - VQ

ΔV

Q

-10

–

10

mV

V

I < 13.5 V;

-40

°C < T

j < 125 °C;

1 mA <

I

Q < 300 mA

Output voltage tracking

accuracy

ΔV

Q

-10

–

10

mV

6 V <

V

I < 40 V;

5 mA <

I

Q < 200 mA

Output voltage tracking

accuracy

ΔV

Q

-25

–

25

mV

6 V <

V

I < 28 V;

1 mA <

I

Q < 300 mA

Drop voltage

V

dr

–

280

520

mV

I

Q = 300 mA;

V

ADJ > 4 V;

Enable ON

1)

Output current

I

Q

400

450

800

mA

T

j ≤ 125 °C

1)

Output capacitor

C

Q

22

–

μFESR ≤ 3 Ω at 10 kHz

Current consumption

I

q = II - IQ

I

q

–10

20

mA

I

Q = 300 mA

Current consumption

I

q = II - IQ

I

q

–

230

300

μA

I

Q < 1 mA; Tj < 85 °C;

V

EN in ON state

Quiescent current

(stand-by)

I

q = II - IQ

I

q

–02

μA

V

EN = 0 V; Tj < 85 °C

Regulator Performance

Load regulation

ΔV

Q

-35

±535mV

5 mA <

I

Q < 300 mA;

V

I = 6 V; VADJ = 5 V

Line regulation

ΔV

Q

-25

±10

25

mV

12 V <

V

I < 32 V;

I

Q = 5 mA

Power Supply Ripple

Rejection

PSRR

60

–

dB

f

r = 100 Hz;

V

r = 0.5 Vpp;

V

ADJ = 5 V;

C

Q = 22 μF Tantalum

Adjust Input

Input biasing current

I

ADJ

–0.1

0.5

μA

V

ADJ = 5 V

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