Data Sheet

9

Revision1.0

2015-05-28

Infineon® LITIX™ Power

TLD5045EJ

General Product Characteristics

4.3

Thermal Resistance

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Table 4-3

Thermal Resistance

Parameter

Symbol

Values

Unit

Note or

Test Condition

Number

Min.

Typ.

Max.

Voltages

Junction to Case

10

K/W

1)2)

ambient temperature). Ta=25°C, Power Switch and freewheeling diode are dissipating 1W.

P_4.3.1

Junction to Ambient

(2s2p)

40

K/W

1)3)

(Chip+Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 inner copper layers (2 x 70µm Cu, 2 x 35µm Cu).

According to JESD51-5 a thermal via array under the exposed pad contacted the first inner copper layer. Ta=25°C, Power

Switch and freewheeling diode are dissipating 1W.

P_4.3.2