ILD6070 Datasheet, PDF (19/24 Pages) Infineon Technologies AG – Capable to provide up to 0.7 A average output current

ILD6070
60 V / 0.7 A High Efficiency Step-Down LED Driver IC
Electrical Characteristics
Performance vs. supply voltage and number of LEDs: R_sense = 353 mΩ, L = 150 µH, V_fLED = 3 V
I_LED versus V_S and number of LEDs
0.360
0.355
0.350
0.345
0.340
0 5 10 15 20 25 30 35 40 45 50 55 60
V_S [V]
1 LED
2 LEDs
3 LEDs
4 LEDs
5 LEDs
6 LEDs
7 LEDs
8 LEDs
9 LEDs
10 LEDs
Efficiency versus V_S and number of LEDs
1
Relative change of I_LED versus V_S and number of LEDs
4
3
2
1
0
-1
-2
-3
-4
0 5 10 15 20 25 30 35 40 45 50 55 60
V_S [V]
1 LED
2 LEDs
3 LEDs
4 LEDs
5 LEDs
6 LEDs
7 LEDs
8 LEDs
9 LEDs
10 LEDs
f_Switch versus V_S and number of LEDs
800
0.9
600
0.8
400
0.7
200
0.6
0
5 10 15 20 25 30 35 40 45 50 55 60
V_S [V]
1 LED
2 LEDs
3 LEDs
4 LEDs
5 LEDs
6 LEDs
7 LEDs
8 LEDs
9 LEDs
10 LEDs
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
Duty Cycle versus V_S and number of LEDs
5 10 15 20 25 30 35 40 45 50 55 60
V_S [V]
1 LED
2 LEDs
3 LEDs
4 LEDs
5 LEDs
6 LEDs
7 LEDs
8 LEDs
9 LEDs
10 LEDs
0
0 5 10 15 20 25 30 35 40 45 50 55 60
V_S [V]
1 LED
2 LEDs
3 LEDs
4 LEDs
5 LEDs
6 LEDs
7 LEDs
8 LEDs
9 LEDs
10 LEDs
Data Sheet
19
Revision 3.2, 2014-07-09