TLE4309 Ver la hoja de datos (PDF) - Infineon Technologies

Número de pieza

componentes Descripción

Fabricante

TLE4309

Adjustable Linear Low Dropout LED Driver

Infineon Technologies 

TLE4309

Table 3

Operating Range

Parameter

Symbol Limit Values Unit Remarks

Min. Max.

Input voltage

VI

4.5 24

V–

PWM / ENABLE voltage VPWM

0

24

V–

Junction temperature Tj

-40 150 °C –

Reference resistor

RREF

0

1.8 Ω –

Note: Within the functional range the IC operates as described in the circuit description.

The electrical characteristics are specified within the conditions given in the

related electrical characteristics table

.

Table 4

Thermal Resistance

Parameter

Junction ambient

Symbol

Rthja

Typical

Unit

Limit Values

78

K/W

52

K/W

39

K/W

Remarks

Footprint only1)

300mm2 heat sink area1)

600mm2 heat sink area1)

Junction case

Rthjc

3

K/W –

1) Worst case regarding peak temperature; mounted on PCB FR4, 80 × 80 × 1.5 mm3, 35 µm Cu,

horizontal position, zero airflow.

Datasheet

5

Rev. 1.0, 2007-03-20

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