A. Turn-Off Time vs. LED Current (LH1524)
4.5
4.0
IL = 50 mA
3.5
–40 °C
3.0
2.5
2.0
25 °C
1.5
1.0
85 °C
0.5
0
10
20
30
40
50
LED FORWARD CURRENT (mA)
C. Turn-Off Time vs. LED Current (LH1544)
40
–40 °C
30
85 °C
20
25 °C
IL = 12.5 mA
10
0
0
10
20
30
40
50
LED FORWARD CURRENT (mA)
B. Turn-Off Time vs. LED Current (LH1531)
0.9
IL = 50 mA
0.8
–40 °C
0.7
0.6
0.5
25 °C
0.4
85 °C
0.3
0.2
0
10
20
30
40
50
LED FORWARD CURRENT (mA)
LH1531, LH1532, LH1544
8