TLE4961-1K datasheet(11/26 Pages) INFINEON

Part #	TLE4961-1K

Description	3.0 V to 32 V operating supply voltage

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Manufacturer	INFINEON [Infineon Technologies AG]

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TLE4961-1K

Functional Description

Data Sheet

11

Revision 1.0, 2012-05-15

2.6

Start-up behavior

The magnetic threshold exhibit a hysteresis BHYS = BOP-BRP. In case of a power-on with a magnetic field B within

hysteresis (BRP < B < BOP) the output of the sensor is set to “HIGH” per default. After the first crossing of BOP or

BRP of the magnetic field the output is set to the correct value.

Figure 2-5

Illustration of the start-up behavior of the TLE4961-1K

t

3V

t

VQ

t

B > BOP

B < BRP

BOP > B > BRP

Magnetic field above threshold

Magnetic field below threshold

Magnetic field in hysteresis

Power on ramp

The device always applies

VQ level at start -up

independent from the

applied magnetic field !

VQ

VS

tPon

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