Datasheet

C2
4.7 µF
IFB1
IFB2
IFB3
IFB4
IFB5
IFB6
V
O
SW
PGND
GND
10 WLED in series, 120 mA total
Current
Regulator
Dimming
Control
L1
10 µH
Cin
C4
0.1 µF
Current Mode
PWM Control
IFB1...IFB6
Fault
Protection
4.5 V to 24 V
C1
4.7 µF
R2
51W
C3
1 µF
Internal Regulator
EN
PWM Dimming
ISET
V
BAT
EN
DCTRL
D1
R1
Fault
TPS61181A
SLVSAN6A –FEBRUARY 2011– REVISED MARCH 2011 www.ti.com
FUNCTIONAL BLOCK DIAGRAM
10 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): TPS61181A