TLE4976L datasheet(12/18 Pages) INFINEON

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Data Sheet

Rev. 2.0, 2009-02-12

TLE4976-1K

TLE4976L

Specification

3.4

Electrical and Magnetic Characteristics

Table 6

General Electrical Characteristics1)

1) over operating range, unless otherwise specified. Typical values correspond to VS = 12V and TA = 25°C

Parameter

Symbol

Values

Unit

Note / Test Condition

Min.

Typ.

Max.

Supply current low

ISLOW

B > BRP

VS = 3V ... 18V

Supply current high

ISHiGH

B < BOP

VS = 3V ... 18V

Reverse current

ISR

–

0.2

VS = -18V

Output fall time

–

0.4

1.6

µs

RS = 100Ω

Output rise time

–

0.4

1.6

µs

Chopper frequency

fOSC

–

320

kHz

Switching freq.

fSW

–

2) To operate the sensor at the max. switching frequency, the value of the magnetic signal amplitude must be 1.4 times higher

than for static fields. This is due to the - 3dB corner frequency of the low pass filter in the signal path

152)

kHz

Delay time

3) Systematic delay between magnetic threshold reached and output switching

–

µs

Output jitter

4) Jitter is the unpredictable deviation of the output switching delay

tQJ

–

µsRMS Typical value for square wave

signal 1kHz

Power-on time

5) Time from applying VS ≥ 3.0V to the sensor until the output state is valid

tPON

–

µs

VS ≥ 3.0V

Thermal resistance

6) Thermal resistance from junction to ambient

RthJA

–

100

–

K/W

SC59

190

PG-SSO-3-2

Product characteristics involve the spread of values guaranteed within the specified voltage and ambient

temperature range. Typical characteristics are the median of the production.

Calculation of the ambient temperature:

e.g. for VS = 12.0V, RS = 100W, ISHIGHtyp = 14mA :

Power Dissipation: PDIS = 148.4mW.

In TA = Tj – (RthJA x PDIS) = 175°C – (100K/W x 0.15W)

Resulting max. ambient temperature: TA = 160°C

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