BCR420U Datasheet, PDF (7/12 Pages) Infineon Technologies AG – LED Driver

BCR420U / BCR421U
BCR420U: Output current versus V_EN
I_out = f (V_EN); V_out = 2.0 V;
R_ext = Parameter
0.15
Rext = 6 Ohm
Rext = 8 Ohm
A
Rext = 10 Ohm
BCR420U: Enable current versus V_EN
I_EN = f (V_EN ); R_ext = open; I_out = 0;
T_A = Parameter
3
mA
0.05
0
0
Rext = 30 Ohm
Rext = 60 Ohm
Rext = open
5
10
15
20
V
30
V_EN
TA = 80°C
TA = 25°C
TA = -40°C
1
0
0 0.5 1 1.5 2 2.5 3 3.5 4 Ohm 5
V_EN
BCR421U: Output current versus V_out
I_out = f (V_out); V_EN = 3.3 V;
R_ext = Parameter
0.2
BCR421U: Output current versus R_ext
I_out = f (R_ext); V_EN = 3.3 V;
V_out = Parameter
0.2
A
Rext = 6 Ohm
Rext = 8 Ohm
A
Rext = 10 Ohm
0.1
Rext = 15 Ohm
Rext = 30 Ohm
0.05
Rext = open
0
0
2
4
6
8
V
12
V_out
7
0
10
0
Vout = 5.4V
Vout = 1.4V
10 ¹
Ohm
10 ²
R_ext.
2010-01-15