TPS61199
SLVSAN3 –DECEMBER 2010
www.ti.com
L1
22µH
D1
SS5P10
OUT 60V
12V IN
+
C1
10µF
C2
3 x 33µF
R8
3Ω
Q1
Si4480DY
R9
200Ω
C3
2.2µF
VIN
GDRV
C6
0.47nF
R1
0.03Ω
OUT
R2
190kΩ
VDD
ISNS
GND
IFB1
IFB2
IFB3
IFB4
IFB5
IFB6
IFB7
IFB8
OVP
TPS61199
10kΩ
10kΩ
R3
10kΩ
EN
PWM
COMP
FBP
R4
50kΩ
R5
200kΩ
C5
0.47nF
ISET
FSW
R6
40.2kΩ
R7
160kΩ
C4
47nF
Figure 13. Four LED Strings with 130mA Current Application
16
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