TLE7183F datasheet(21/28 Pages) INFINEON

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Data Sheet

V2.1, 2008-04-30

TLE7183F

5.3.1

Electrical Characteristics

Electrical Characteristics - Current sense signal conditioning

S = 5.5 to 20V, Tj = -40 to +150°C, FPWM < 25kHz, all voltages with respect to ground, positive current flowing into pin

(unless otherwise specified)

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

5.3.1

Series resistors

100

500

1000

Ω

–

5.3.2

Feedback resistor

Limited by the output voltage

dynamic range

Rfb

2000

7500

–

Ω

–

5.3.3

Resistor ratio (gain ratio)

Rfb/RS

5–15

–

5.3.4

Steady state differential input

voltage range across VIN1)

VIN(ss)

-400

–

400

–

5.3.5

Transient differential input voltage

range across VIN

VIN(tr)

-800

–

800

–

5.3.6

Input differential voltage (ISP - ISN) VIDR

-800

–

800

–

5.3.7

Input voltage (Both Inputs - GND)

(ISP - GND) or (ISN -GND)

VLL

-800

–

1500

Vs=5.5..8V

5.3.8

Input voltage (Both Inputs - GND)

(ISP - GND) or (ISN -GND)

VLL

-800

–

2000

Vs=8..20V

5.3.9

Input offset voltage of the I-DC link

OpAmp

VIO

–1+/-5

RS=500Ω; VCM=0V;

VO=1.65V;

VRI=1.65V

5.3.10

Input offset voltage temperature

drift of the I-DC link OpAmp2)

VIO

–12mV

RS=500Ω; VCM=0V;

VO=1.65V;

VRI=1.65V

5.3.11

Input offset voltage of the reference

buffer

VIO

1+/-5

–

5.3.12

Input offset voltage temperature

drift of the reference buffer2)

VIO

12mV

–

5.3.13

Input range at VRI

VIO

1.2

–

2.8

–

5.3.14

Input bias current (ISx to GND)

IIB

––300

µA

VCM=0V; VO=open

5.3.15

High level output voltage of VO

VOH

4.8

–

5.2

VRI=1.65V/2.5V;

IOH=-3mA

5.3.16

Low level output voltage of VO

VOL

-0.1

–

0.2

VRI=1.65V/2.5V;

IOH=3mA

5.3.17

Output voltage of VO3)

VRI= 2.5V,

VRI=1.65V

VOR

2.42

1.58

2.50

1.65

2.58

1.73

VVIN(SS)=0V;

Gain=15;

5.3.18

Temperature drift of output voltage

of VO3)

0–32

VIN(SS)=0V;

Gain=15

5.3.19

Output short circuit current

ISC

5––mA

–

5.3.20

Differential input resistance2)

100

––k

Ω

–

5.3.21

Common mode input capacitance2) CCM

––10

10kHz

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