TLE42664 datasheet(6/12 Pages) INFINEON | Low Dropout Fixed Voltage Regulator

Part #	TLE42664

Description	Low Dropout Fixed Voltage Regulator

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Manufacturer	INFINEON [Infineon Technologies AG]

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TLE42664

General Product Characteristics

Data Sheet

6

Rev. 1.01, 2009-09-30

4.3

Thermal Resistance

Note: This thermal data was generated in accordance with JEDEC JESD51 standards. For more information, go

to www.jedec.org.

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

TLE42664G (PG-SOT223-4)

4.3.1

Junction to Case1)

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

R

thJC

–

17

–

K/W

measured to heat

slug

4.3.2

Junction to Ambient1)

R

thJA

–54

–

K/W

2)

2) Specified

R

thJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The Product

(Chip+Package) was simulated on a 76.2 x 114.3 x 1.5 mm³ board with 2 inner copper layers (2 x 70µm Cu, 2 x 35µm Cu).

Where applicable a thermal via array under the exposed pad contacted the first inner copper layer.

4.3.3

–

139

–

K/W

footprint only3)

3) Specified

R

thJA value is according to Jedec JESD 51-3 at natural convection on FR4 1s0p board; The Product

(Chip+Package) was simulated on a 76.2

× 114.3 × 1.5 mm3 board with 1 copper layer (1 x 70µm Cu).

4.3.4

–

73

–

K/W

300 mm² heatsink

area3)

4.3.5

–

64

–

K/W

600 mm² heatsink

area3)

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