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Número de pieza | ILD4001 | |
Descripción | Step down LED Controller | |
Fabricantes | Infineon Technologies | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de ILD4001 (archivo pdf) en la parte inferior de esta página. Total 26 Páginas | ||
No Preview Available ! LED Driver for High Power LEDs
ILD4001
Step down LED Controller for high power LEDs
Data Sheet
Revision 2.0, 2011-06-09
Industrial and Multimarket
1 page ILD4001
Step down LED Controller for high power LEDs
List of Figures
List of Figures
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Total Power Dissipation vs. Soldering Point Temperature TS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Analog Voltage Dimming (12V, 3 LEDs, TA=25°C) vs. Rsense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Analog Voltage Dimming (Relative) vs. Rsense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Analog Voltage Dimming vs. TA (12V, 3 LEDs, 110 mΩ, 47 µH) . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PWM Dimming: 3 dB Deviation of Contrast Ratio to Linear Dimming (12 V, 68 µH, 3 LEDs) . . . . 18
Application Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
ILD4001 on Evaluation Board Using BSP318S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Package Outline SC74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Recommended PCB Footprint for Reflow Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Tape Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Data Sheet
5 Revision 2.0, 2011-06-09
5 Page ILD4001
Step down LED Controller for high power LEDs
Thermal Characteristics
4 Thermal Characteristics
Table 3 Maximum Thermal Resistance
Parameter
Symbol
Values
Unit
Min.
Typ.
Max.
Junction - soldering point1) RthJS
–
–
70 K/W
1) For calculation of RthJA please refer to application note AN077, “Thermal Resistance Calculation”
Note /
Test Condition
–
0.6
0.5
0.4
0.3
0.2
0.1
0
0
20 40 60 80 100
TS [°C]
Figure 2 Total Power Dissipation vs. Soldering Point Temperature TS
Equation (1) is a first estimation to calculate the power dissipation of the IC:
Ptot =VS ⋅ I S + fSwitch ⋅Cdrive ⋅VS ⋅ 5V
120
140
(1)
Data Sheet
11 Revision 2.0, 2011-06-09
11 Page |
Páginas | Total 26 Páginas | |
PDF Descargar | [ Datasheet ILD4001.PDF ] |
Número de pieza | Descripción | Fabricantes |
ILD4001 | Step down LED Controller | Infineon Technologies |
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