TLE4470G datasheet(11/24 Pages) INFINEON

Part #	TLE4470G

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

11

Rev. 1.2, 2008-03-20

Disable Input DIS

H-input voltage

threshold

V

DISH

2.3

–

V

–

L-input voltage

threshold

V

DISL

–

1.4

V

Output 2 active

H-input current

I

DISH

-2

-1

1

µA

2.3 V <

V

DIS < 7 V

L-input current

I

DISL

-6

-2

-0.5

µA0 V < V

DIS < 1.4 V

Reset Timing D and Output RQ

Reset switching

threshold

V

Q, rt

4.5

4.65

4.8

V

RADJ connected to

GND

Reset adjust

threshold

V

RADJTH

1.25

1.35

1.45

V

Q1 > 3.5 V

Reset output low

voltage

V

RQL

–0.15

0.3

V

R

RQ = 10 kΩ externally

connected to Q1;

V

Q1 ≥ 1 V

Reset high voltage

V

RQH

4.5

–

V

–

Reset pull-up

resistor

R

RQ

20

30

45

k

Ω

Internally connected to

Q1

Reset charging

current

I

D,c

35

9

µA

V

D = 1 V

Upper timing

threshold

V

DU

1.5

1.8

2.2

V

–

Lower timing

threshold

V

DL

0.3

0.4

0.55

V

–

Reset delay time

t

rd

12

15

20

ms

C

D = 47 nF

Reset reaction time

t

rr

–0.5

2.0

µs

C

D = 47 nF

Table 5

Electrical Characteristics (cont’d)

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.

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