TPS61070
TPS61071
SLVS510 鈥?JUNE 2004
www.ti.com
L1
4.7
碌H
Power
Supply
C1
SW
VBAT
EN
GND
TPS6107x
List of Components:
U1 = TPS61070DDC
L1 = Taiyo Yuden CB2016B4R7M
C1 = 1 x 4.7
mF,
0603, X7R/X5R Ceramic
C2 = 2 x 4.7
mF,
0603, X7R/X5R Ceramic
VOUT
R1
FB
R2
C2
V
CC
Boost Output
Figure 24. Power Supply Solution Having Small Total Solution Size
L1
4.7
碌H
Power
Supply
C1
SW
VBAT
EN
GND
TPS6107x
List of Components:
U1 = TPS61070DDC
L1 = Taiyo Yuden CB2016B4R7M
C1 = 1 x 4.7
mF,
0603, X7R/X5R Ceramic
C2 = 2 x 4.7
mF,
0603, X7R/X5R Ceramic
FB
R1
VOUT
C2
D1
LED Current
Up To 30 mA
Figure 25. Power Supply Solution for Powering White LEDs in Lighting Applications
V
CC2
~2 x V
CC
Unregulated
Auxiliary Output
C5
0.1
碌F
L1
4.7
碌H
Power
Supply
C1
SW
VBAT
EN
GND
DS1
C6
1
碌F
VOUT
R1
FB
R2
C2
V
CC
Boost Output
TPS6107x
List of Components:
U1 = TPS61070DDC
L1 = Wurth Elektronik 744031004
C1 = 2 x 4.7
mF,
0603, X7R/X5R Ceramic
C2 = 2 x 4.7
mF,
0603, X7R/X5R Ceramic
Figure 26. Power Supply Solution With Auxiliary Positive Output Voltage
18