TLE4998P4 datasheet(13/34 Pages) INFINEON

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TLE4998P

Electrical, Thermal and Magnetic Parameters

Data Sheet

V 1.0, 2008-07

Electrical, Thermal and Magnetic Parameters

Table 5

Electrical Characteristics

Parameter

Symbol

Limit Values

Unit

Notes

min.

typ. max.

PWM output frequency

fPWM

122

1953

Programmable1)

1) Internal RC oscillator variation +/- 20%

Output duty cycle range

DYPWM

100

Programmable

Supply current

IDD

Output current @ OUT

shorted to supply lines

IOUTsh

VOUT = 5V, max. 10

minutes

Thermal resistance

TLE4998P3

RthJA

219

K/W

Junction to Air

RthJC

K/W

Junction to Case

Thermal resistance

TLE4998P4

RthJA

240

K/W

Junction to Air

RthJC

K/W

Junction to Case

Power-on time2)

2) Response time to set up output duty cycle at power-on when a constant field is applied (f

PWM=1953Hz). The

first value given has a ± 5% error, the second value has a ± 1% error

tPon

0.7

∆ DY

PWM ≤ ± 5%

∆ DY

PWM ≤ ± 1%

Power-on reset level

VDDpon

3.6

Output impedance

ZOUT

Ω

3) VDD = 5V, open-drain high state, voltage on OUT pin typ. 84% of VDD

Output fall time

tfall

µs

VOUT 4.5 V to 0.5 V

4) For V

DD = 5 V, RL = 2.2 kΩ, CL =4.7 nF

Output rise time

trise

µs

VOUT 0.5 V to 4.5 V

4)5)

5) Depends on external R

L and CL

Output low saturation

voltage

VOUTsat

0.3

0.2

0.6

0.4

IOUTsink = 5 mA

IOUTsink = 2.2 mA

Output noise (rms)

OUTnoise -

2.5

LSB12 6)

6) Range 100 mT, Gain 2.23, internal LP filter 244 Hz, B = 0mT, T = 25°C

VOUT

90% VDD

10% VDD

trise

tfall

*) R

L to VDD assumed

tlow

tPWM

DY = thigh/tPWM

VOUTsat

thigh

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