TLE4299 datasheet(10/25 Pages) INFINEON

10 / 25 page

Datasheet

Rev. 1.1, 2007-10-17

TLE 4299

Reset Generator

Switching threshold

3.00 3.10 3.20

–

Reset threshold

headroom

RTHEAD

200

300

–

Reset pull up

Ω

–

Reset low voltage

–

0.17 0.40

Q < 3.0 V; internal RRO;

R =1mA

External reset pull up

R ext

5.6

–

Ω

Pull up resistor Q

Delay switching threshold

1.6

1.85 2.35

–

Switching threshold

0.35 0.50 0.60

–

Reset delay low voltage

––

0.1

Q < VRT

Charge current

2.0

3.5

6.0

µA

D =1V

Power-up Reset delay

time

D =100 nF

Reset reaction time

0.5

1.2

3.0

µs

D =100 nF

Reset Adjust Switching

Threshold

VRADJ

1.26 1.36 1.44

Q < 3.5V

Input Voltage Sense

Sense threshold high

SI high

1.34 1.45 1.54

–

Sense threshold low

SI low

1.26 1.36 1.44

–

Sense input switching

hysteresis

SI HYST

130

SI HYST = VSI high – VSI low

Sense output low voltage

SO low

–0.1

0.4

SI <1.20 V; Vi >4.2 V;

SO = 1mA

External SO pull up

resistor

SO ext

5.6

–

Ω

–

Sense input current

–

10.1

µA

Si > 1.0V

Characteristics (cont’d)

I =13.5V; Tj = – 40 °C< Tj <150 °C

Parameter

Symbol

Limit Values

Unit Measuring Condition

min. typ. max.

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