TLE4470GS datasheet(9/24 Pages) INFINEON

Part #	TLE4470GS

Description	Dual Low-Drop Voltage Regulator Very low dropout

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Manufacturer	INFINEON [Infineon Technologies AG]

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TLE 4470

Data Sheet

9

Rev. 1.2, 2008-03-20

Table 5

Electrical Characteristics

V

I1 = VI2 = 14 V; VDIS < VDISL; -40 °C < Tj < 150 °C; unless otherwise specified

Parameter

Symbol

Limit Values

Unit

Test Condition

Min.

Typ.

Max.

Stand-by Regulator

Output 1

Output voltage

V

Q1

4.90

5.0

5.10

V

1 mA <

I

Q1 < 100 mA

Output current

limitation

I

Q1

180

280

–

mA

1)

Output drop voltage;

V

DRQ1 = VI1 - VQ1

V

DRQ1

–

300

500

mV

I

Q1 = 100 mA

1)

Current Consumption

Quiescent current;

stand-by

I

q = II1 - IQ1

I

q

–

180

250

µA

I

Q1 = 300 µA; Tj = 25 °C

V

DIS > VDISH (Q2 = OFF)

–

180

300

µA

I

Q1 = 300 µA;

V

DIS > VDISH (Q2 = OFF)

Quiescent current

I

q = II1 - IQ1

I

q

–4

6

mA

I

Q1 = 100 mA;

V

DIS > VDISH (Q2 = OFF)

Regulator Performance

Load regulation

∆V

Q1,Lo

–

15

50

mV

1 mA <

I

Q1 < 150 mA

Load regulation

∆V

Q1,Lo

–

5

25

mV

1 mA <

I

Q1 < 100 mA

Line regulation

∆V

Q1,Li

–5

20

mV

I

Q1 = 1 mA;

6 V <

V

I1 < 28 V

Power Supply Ripple

Rejection

PSRR

–60

–

dB

20 Hz <

f

r < 20 kHz;

V

r = 5 Vpp

Temperature output

voltage drift

∆V

Q1/∆T

–

0.3

–

mV/

K

–

d

V

I1/dt stability

V

Q1

4.5

–

5.5

V

no reset occurs

2)

Value of output

capacitance

C

Q1

6–

–

µF–

ESR of output

capacitance

ESR

CQ1

––

10

Ω

at 10 kHz

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