BW7381 Datasheet, PDF (3/11 Pages) Bruckewell Technology LTD – Universal High Brightness LED Driver

BW7381
Universal High Brightness LED Driver
Buck Topology
AC+
V ͲLine
L2
ACͲ
C1
V ͲLine
GND
R1
Q1
R10
R5
C5
1 CS
OUT 8
IC_GND ^{2 GND}
VDD 7
R11
3 CS_FLT VIN 6
4 COMP
RT 5
C3 C2
IC_GND ^R3
C4
C6
BW7381
R7
R6
IC_GND IC_GND
IC_GND
IC_GND
R2
L1
IC_GND GND
R12
ZD1
LED+
D1
IC_GND
R9
E1
D2
LEDͲ
Figure 2
Rev.1.4 Jan. 2013Ä¡