Datasheet
BCR420U / BCR421U
LED Driver
Datasheet 8 Revision 2.0, 2012-05-04
Figure 1-1 Pin configuration and typical application
Type Marking Pin Configuration Package
BCR420U 40 1 = EN 2; 3; 5 = OUT 4 = GND 6 = R
ext
SC74
BCR421U 41 1 = EN 2; 3; 5 = OUT 4 = GND 6 = R
ext
SC74
Pin Configuration Typical Application
EN OUT
R
ext
GND
+V
S
V
drop
2,3,51
6
4
I
out
I
EN
BCR420 U
EN
OUT
OUT GND
OUT
R
ext
1
2
3 4
5
6
R
ext
(optional )










