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PDF ILD6150 Data sheet ( Hoja de datos )
| Número de pieza | ILD6150 | |
| Descripción | LED Drivers | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ILD6150 (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
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LED Drivers for High Power LEDs
ILD6150
60 V / 1.5 A High Efficiency Step-Down LED Driver
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Data Sheet
Revision 2.0, 2013-02-07
Preliminary
Power Management and Multimarket
datasheet pdf - http://www.DataSheet4U.net/
1 page  
ILD6150
60 V / 1.5 A High Efficiency Step-Down LED Driver
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
Figure 12
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Total Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Typical Output Current Duty Cycle of Over-Temperature Protection vs. TJ and RTadj . . . . . . . . . . 13
PWM Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Typical Integrated PWM Duty Cycle vs. PWM Control Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Application Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Minimum Inductance for 0.35 A Average LED Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Minimum Inductance for 0.7 A Average LED Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Minimum Inductance for 1.5 A Average LED Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Package outline PG-DSO-8-27 (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Recommended PCB Footprint for Reflow Soldering (dimensions in mm) . . . . . . . . . . . . . . . . . . . 22
Tape Loading (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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Preliminary Data Sheet
5 Revision 2.0, 2013-02-07
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
ILD6150
60 V / 1.5 A High Efficiency Step-Down LED Driver
Thermal Characteristics
4 Thermal Characteristics
Table 3 Maximum Thermal Resistance
Parameter
Symbol
Values
Unit
Min.
Typ.
Max.
Junction - soldering point1) RthJS
–
17 –
K/W
1) For calculation of RthJA please refer to application note AN077 (Thermal Resistance Calculation)
Note /
Test Condition
–
2.5
2
1.5
1
0.5
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0
0 20 40 60 80 100 120 140 160
TS [°C]
Figure 2 Total Power Dissipation
The major part of the IC power dissipation is caused by the switch resistance in conductive state. Therefore
Equation (1) is a first estimation to calculate the total power dissipation of the IC
Ptot = RON ⋅ Iout 2 ⋅ D + I S ⋅VS
(1)
D: Duty cycle of the output switch
For a more precise analysis measure the soldering point temperature TS of ILD6150 at GND pin and use Figure 2
as a reference.
Preliminary Data Sheet
11 Revision 2.0, 2013-02-07
datash
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet ILD6150.PDF ] | |
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