TLE42694 datasheet(21/29 Pages) INFINEON

21 / 29 page

Electrical Characteristics Reset Function

I = 13.5 V, -40 °C ≤ Tj ≤ 150 °C, all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

Default Output Undervoltage Reset

Switching Thresholds

4.5

4.65

4.8

Q decreasing

Reset Adjust

Switching Threshold

RADJ,th

1.26

1.35

1.44

3.5 V

≤ VQ < 5 V

Reset Adjustment Range

RT is scaled linearly, in case the Reset Switching Threshold is modified

RT,range

3.50

–

4.65

–

Reset Output Low Voltage

RO,low

–

0.1

0.4

1 V

≤ VQ ≤ VRT

no external

RO,ext

Reset Output Internal Pull-Up

Resistor to

Ω

–

Optional Reset Output External

Pull-up Resistor to

RO,ext

–

Ω

1 V

≤ VQ ≤ VRT ;

RO ≤ 0.4 V

Delay Pin Output Voltage

–

Power On Reset Delay Time

D = 100 nF

Upper Delay

Switching Threshold

–

1.8

–

Lower Delay

Switching Threshold

–

0.45

–

Delay Capacitor

Charge Current

D,ch

–

6.5

–

µA

D = 1 V

Delay Capacitor

Reset Discharge Current

D,dch

–

D = 1 V

Delay Capacitor

Discharge Time

rr,d

–

1.9

µs

Calculated Value:

rr,d = CD*(VDU -

DL)/ ID,dch

D = 100 nF

Internal Reset Reaction Time

rr,int

–

µs

D = 0

2) parameter not subject to production test; specified by design

Reset Reaction Time

rr,total

–

4.9

µs

Calculated Value:

rr,total = trr,int + trr,d

D = 100 nF

nF 2)

Data Sheet

Rev. 1.1, 2008-10-07

TLE42694

Block Description and Electrical Characteristics

Output Undervoltage Reset

5.3.1

Output Undervoltage Reset Threshold Adjustment

5.3.2

5.3.3

Reset Output RO

5.3.4

5.3.5

5.3.6

Reset Delay Timing

5.3.7

5.3.8

5.3.9

5.3.10

5.3.11

5.3.12

5.3.13

5.3.14

5.3.15

TLE42694 데이터시트(PDF) 21 Page - Infineon Technologies AG

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