TLE8457CSJ datasheet(19/31 Pages) INFINEON

19 / 31 page

Data Sheet

Rev. 1.1

2018-10-15

TLE8457C / TLE8457D

LIN Transceiver with integrated voltage regulator

General product characteristics

5.3

Thermal characteristics

Note:

This thermal data was generated in accordance with JEDEC JESD51 standards. For more

information, please visit www.jedec.org.

Table 5

Thermal resistance1)

1) Not subject to production test, specified by design.

Parameter

Symbol

Values

Unit Note or

Test Condition

Number

Min.

Typ.

Max.

Thermal resistance, PG-DSO-8 package version

Junction to ambient

RthJA

–

130

–

K/W 2)

2) Specified RthJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The product

(IC+package) was simulated on a 76.2 × 114.3 × 1.5 mm3 board with 2 inner copper layers (2 × 70 μmCu,

2×35 μm Cu). Where applicable a thermal via array under the exposed pad contacted to the first inner copper layer.

P_5.3.1

Thermal resistance, PG-TSON-8 package version

Junction to ambient

RthJA

–60

–

K/W 2)

P_5.3.2

Junction to ambient

–

190

–

K/W Footprint only3)

3) Specified RthJA value is according to Jedec JESD51-3 at natural convection on FR4 1s0p board; The product

(IC+package) was simulated on a 76.2 × 114.3 × 1.5 mm3 board with 1 inner copper layer (1 × 70 μmCu).

P_5.3.5

Junction to ambient

–

K/W 300 mm2 heatsink on

PCB3)

P_5.3.6

Thermal shutdown junction temperature

Thermal shutdown temperature TJSD

160

180

200

°C

TJSD increasing

P_5.3.3

Thermal shutdown hysteresis

ΔT

–10

–

TJSD decreasing

P_5.3.4

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