Datasheet

SW
C1
10 µF
L1
6.8 µH
R1
R2
VBAT
VOUT
FB
C2
2.2 µF
C3
100 µF
LBO
PGND
LBI
PS
EN
GND
TPS61027
List of Components:
U1 = TPS61027DRC
L1 = EPCOS B82462-G4682
C1, C2 = X7R,X5R Ceramic
C3 = Low ESR Tantalum
V
CC
5 V
Boost Output
LBO
R5
Battery
Input
SW
C1
10 µF
L1
6.8 µH
R1
R2
VBAT
VOUT
FB
C2
2.2 µF
C3
47 µF
LBO
PGND
LBI
PS
EN
GND
TPS61027
List of Components:
U1 = TPS61027DRC
L1 = EPCOS B82462-G4682
C1, C2 = X7R,X5R Ceramic
C3 = Low ESR Tantalum
V
CC
5 V
Boost Output
LBO
R5
Battery
Input
TPS61025-Q1
TPS61027-Q1
TPS61029-Q1
SLVSA31 –NOVEMBER 2009 www.ti.com
APPLICATION EXAMPLES
Figure 22. Power Supply Solution for Maximum Output Power Operating From a Single Alkaline Cell
Figure 23. Power Supply Solution for Maximum Output Power Operating From a Dual/Triple Alkaline Cell
or Single Li-Ion Cell
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Product Folder Link(s) :TPS61029-Q1