TLE42994GMV33 datasheet(20/25 Pages) INFINEON | Low Dropout Fixed Voltage Regulator

Part No.	TLE42994GMV33

Description	Low Dropout Fixed Voltage Regulator

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Manufacturer	INFINEON [Infineon Technologies AG]

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Data Sheet

20

Rev. 1.01, 2010-10-14

TLE42994V33

Block Description and Electrical Characteristics

5.8

Early Warning Function

The additional sense comparator provides an early warning function: Any voltage (e.g. the input voltage) can be

monitored, an undervoltage condition is indicated by setting the comparator’s output to low.

Figure 7

Sense Timing Diagram

Electrical Characteristics Early Warning Function

V

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.

Sense Comparator Input

5.8.1

Sense Threshold High

V

SI,high

1.34

1.45

1.54

V

–

5.8.2

Sense Threshold Low

V

SI,low

1.26

1.36

1.44

V

–

5.8.3

Sense Switching Hysteresis

V

SI,hy

50

90

130

mV

V

SI,hy = VSI,high - VSI,low

5.8.4

Sense Input Current

I

SI

-1

-0.1

1

µA

–

AED03049

t

Sense

t

SI, High

V

SI, Low

V

Input

Voltage

High

Low

Output

Sense

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