TLE4271 datasheet(8/23 Pages) INFINEON

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TLE 4271-2

Data Sheet Rev. 2.4

2001-04-04

Reset Generator

Switching threshold

4.5

4.65

4.8

–

Reset high voltage

ROH

4.5

––

–

Saturation voltage

RO,SAT

–

intern =30 kΩ;

1.0 V

≤ V

Q ≤ 4.5 V

Saturation voltage

RO,SAT

–

200

400

R = 3 mA

1);

Q = 4.4 V

Reset pull-up

Ω

internally connected

to Q

Lower reset timing

threshold

0.2

0.45

0.8

Q < VRT

Charge current

814

µA

D = 1.0 V

Upper timing

threshold

1.4

1.8

2.3

–

Delay time

813

D = 100 nF

Reset reaction time

––

µs

D = 100 nF

Overvoltage Protection

Turn-off voltage

I, ov

–

Inhibit

Turn-on voltage

U,INH

1.0

2.0

3.5

Q = high (> 4.5 V)

Turn-off voltage

L,INH

0.8

1.3

3.3

Q = low (< 0.8 V)

Inhibit current

INH

812

µA

INH = 5 V

1) Test condition not applicable during delay time for power-on reset.

Characteristics (cont’d)

I = 13.5 V; – 40 °C ≤ Tj = ≤ 125 °C; VINH > VU,INH (unless otherwise specified)

Parameter

Symbol

Limit Values

Unit

Test Condition

min.

typ.

max.

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