TLE4263-2ES datasheet(13/22 Pages) INFINEON

13 / 22 page

Data Sheet

Rev. 1.0, 2008-04-21

TLE4263-2ES

Electrical Characteristics

5.7

Reset Function

Note: The reset output is low within the range

Q = 1 V to VQ,rt

Electrical Characteristics Reset Function

I = 13.5 V, -40 °C ≤ Tj ≤ 150 °C, VINH > 3.6 V; all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

Output Undervoltage Reset

5.7.1

Default Output Undervoltage Reset

Switching Thresholds

Q,rt

4.5

4.65

4.8

Q decreasing

Output Undervoltage Reset Threshold Adjustment

5.7.2

Reset Adjust

Switching Threshold

RADJ,th

1.26

1.36

1.44

3.5 V

≤ VQ < 5 V

5.7.3

Reset Adjustment Range1)

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

RT,range

3.50

–

4.65

–

Reset Output RO

5.7.4

Reset Output Low Voltage

RO,low

–0.1

0.4

RO = 1 mA

Reset Delay Timing

5.7.5

Power On Reset Delay Time

1.3

2.8

4.1

D = 100 nF

5.7.6

Saturation Voltage

D,sat

–50

110

Q < VR,th

5.7.7

Upper Delay

Switching Threshold

1.40

1.70

2.20

–

5.7.8

Lower Delay

Switching Threshold

DRL

0.20

0.35

0.59

–

5.7.9

Delay Capacitor

Charge Current

D,ch

µA–

5.7.10

Reset Reaction Time

0.5

1.2

µs

D = 100 nF

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