TLE4473GV55AUMA1

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P16

Data Sheet 10 Rev. 1.2, 2004-01-01

TLE 4473 GV55

Inhibit Input INH2

Turn-on Voltage V

INH2 ON

––2.3 V V

Q2

on

Turn-off Voltage

V

INH2 OFF

0.65 ––V V

Q2

off

H-input current

I

INH2 ON

-1 3.2 6 µA V

INH2

= 5.0 V (see

Page 13)

L-input current

I

INH2 OFF

-1 0.1 1 µA0 V < V

INH2

< 0.8 V

Watchdog and Reset Timing D2

Charge current

I

DC2

6.5 9.0 12.5 µA V

D2

= 1 V

Discharge current

I

DD2

2.0 3.5 5.0 µA V

D2

= 1 V

Upper timing

threshold

V

DU2

1.5 1.85 2.4 V –

Lower timing

threshold

V

DL2

0.30.40.5V –

Saturation Voltage

V

D2,SAT

––100 mV V

Q2

< V

RT2

Watchdog trigger

time

T

WI,tr

34 42 51 ms C

D2

= 100 nF

Reset delay time

T

RD2

15 20 25 ms C

D2

= 100 nF

Reset reaction time

T

rr

––5.0 µs C

D2

= 100 nF

Reset Output RO2

Reset switching

threshold

V

RT2

4.5 4.65 4.8 V –

V

RT2

/V

Q2

90 93 96 % –

Reset threshold

headroom

V

R2HEAD

200 350 500 mV V

Q2

- V

RT2

Reset output current I

RO2

––1.6 mA V

Q2

= 5 V, V

D2

= 0 V;

V

RO2

= 0.3 V

Reset output low

voltage

V

RO2L

– 0.15 0.3 V V

Q2

≥ 1 V

Reset high voltage

V

RO2H

4.5 ––V R

RO2,ext

= 4.7 kΩ

Table 4 Electrical Characteristics (cont’d)

V

I1

= 13.5 V; V

INH1

= V

INH2

= 5 V; -40 °C < T

j

< 150 °C; unless otherwise specified

Parameter Symbol Limit Values Unit Test Condition

Min. Typ. Max.

TLE 4473 GV55

Data Sheet 11 Rev. 1.2, 2004-01-01

Main (Tracked) Regulator

Output Q1

Output voltage

V

Q1

4.875 5.0 5.125 V 1 mA < I

Q1

< 200 mA;

6 V <

V

I

< 28 V

Output voltage

tracking accuracy

∆V

Q

=

V

Q2

- V

Q1

-25 5 25 mV 1 mA < I

Q1

< 200 mA;

6 V <

V

I

< 28 V

Output voltage

tracking accuracy

∆V

Q

=

V

Q2

- V

Q1

-25 5 25 mV 1 mA < I

Q1

< 300 mA;

8 V <

V

I

< 28 V

Output current

limitation

I

Q1

350 500 – mA V

Q1

= 4.5 V

Output drop voltage

V

DRQ1

= V

I

- V

Q1

V

DRQ1

– 300 600 mV I

Q1

= 200 mA

1)

Load regulation ∆V

Q1,Lo

– 550mV5 mA < I

Q1

< 300 mA

Line regulation

∆V

Q1,Li

– 525mVI

Q1

= 5 mA;

6 V <

V

I

< 28 V

Power Supply Ripple

Rejection

PSRR – 65 – dB f

r

= 100 Hz;

V

r

= 1 Vpp

Current Consumption

Quiescent current;

I

q

= I

I

- I

Q1

- I

Q2

I

q

– 10 20 mA I

Q1

= 300 mA;

I

Q2

= 500 µA;

V

Q1

and V

Q2

on

Quiescent current;

I

q

= I

I

- I

Q1

- I

Q2

I

q

– 250 500 µA I

Q2

= I

Q1

= 500 µA;

V

Q1

and V

Q2

on

Inhibit Input INH1

Turn-on Voltage V

INH1 ON

––2.3 V V

Q1

on

Turn-off Voltage

V

INH1 OFF

0.7 ––V V

Q1

off

H-input current

I

INH1 ON

-1 3.5 5 µA 3.0 V < V

INH1

< 5 V;

(see Page 14)

L-input current

I

INH1 OFF

-1 0.1 1 µA0 V < V

INH1

< 0.8 V

Table 4 Electrical Characteristics (cont’d)

V

I1

= 13.5 V; V

INH1

= V

INH2

= 5 V; -40 °C < T

j

< 150 °C; unless otherwise specified

Parameter Symbol Limit Values Unit Test Condition

Min. Typ. Max.

Data Sheet 12 Rev. 1.2, 2004-01-01

TLE 4473 GV55

Reset Timing D1

Charge current

I

DC1

4.0 8.0 12.0 µA V

D1

= 1 V

Upper timing

threshold

V

DU1

1.61.82.2V –

Lower timing

threshold

V

DL2

0.30.40.6V –

Saturation Voltage

V

D1,SAT

––100 mV V

Q1

< V

RT1

Reset delay time T

RD1

14 20 30 ms C

D1

= 100 nF

Reset reaction time

T

rr

––10 µs C

D1

= 100 nF

Reset Output RO1

Reset switching

threshold

V

RT1

4.5 4.65 4.8 V –

V

RT1

/V

Q1

90 93 96 % –

Reset threshold

headroom

V

R1HEAD

200 350 500 mV V

Q1

- V

RT1

Reset output current I

RO1

––1.6 mA V

Q1

= 5.0 V; V

Q2

= 5.0 V;

V

D1

= 0 V; V

RO1

= 0.3 V

Reset output low

voltage

V

RO1L

– 0.15 0.3 V V

Q1

≥ 1 V

Reset output high

voltage

V

RO1H

4.5 ––V R

RO1,ext

= 4.7 kΩ

1) Drop voltage = V

I

- V

Q

(measured when the output voltage has dropped 100 mV from the nominal value

obtained at 13.5 V input)

Table 4 Electrical Characteristics (cont’d)

V

I1

= 13.5 V; V

INH1

= V

INH2

= 5 V; -40 °C < T

j

< 150 °C; unless otherwise specified

Parameter Symbol Limit Values Unit Test Condition

Min. Typ. Max.

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P16

TLE4473GV55AUMA1

Mfr. #:

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Manufacturer:

Infineon Technologies

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LDO Voltage Regulators LINEAR VOLTAGE REGULATOR

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TLE4473GV55AUMA1