TLE7469 datasheet(10/21 Pages) INFINEON

10 / 21 page

Data Sheet

Rev. 1.6, 2008-01-22

TLE 7469

Closed window time

25.6

32.0

38.4

Fast Timing

102

128

154

Slow Timing

Window watchdog

trigger time

39.0

44.8

50.6

Fast Timing

156

179

202

Slow Timing

Reset Output RO

Reset switching

threshold 2

RT2

2.35

2.38

2.48

TLE 7469 GV52,

Q2 decreasing

Reset Headroom 2

RH2

130

190

TLE 7469 GV52

Reset switching

threshold 2

RT2

3.00

3.07

3.15

TLE 7469 GV53,

Q2 decreasing

Reset Headroom 2

RH2

165

240

TLE 7469 GV53

Reset hysteresis 2

RH2

–

TLE 7469 GV52

–

TLE 7469 GV53

Reset switching

threshold 1

RT1

4.50

4.65

4.80

Q1 decreasing

Reset hysteresis 1

RH1

–90

–

Reset sink current

––

Q = 5 V, VRO = 0.5 V

Reset output low

voltage

ROL

–0.15

0.25

Q2 ≥ 1 V

Reset high voltage

ROH

4.5

–

Integrated reset pull-

up resistor

Ω

Internally connected to

Power-up Reset

delay time

6.0

8.0

10.0

Fast Timing

(

DT ≥ 4.5 V)

24.0

32.0

Slow Timing

(

DT ≤ 3.3 V)

Reset Reaction Time T

–10

µs–

Table 4

Electrical Characteristics (cont’d)

I1 = 13.5 V; VI2 = 13.5 V; -40 °C < Tj < 150 °C; unless otherwise specified

Parameter

Symbol

Limit Values

Unit

Test Condition

Min.

Typ.

Max.

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