Datasheet

SW
C1
10 µF
L1
6.8 µH
R1
R2
VBAT
VOUT
R5
C2
2.2 µF
C3
47 µF
LBO
PGND
LBI
PS
EN
GND
TPS61027
List of Components:
U1 = TPS61027DRC1
L1 = EPCOS B82462-G4682
C3, C5, C6, = X7R,X5R Ceramic
C3 = Low ESR Tantalum
DS1 = BAT54S
LBO
C5
0.1 µF
DS1
C6
1 µF
V
CC2
10 V
Unregulated
Auxiliary Output
Battery
Input
FB
V
CC1
5 V
Boost Main Output
SW
C1
10 µF
L1
6.8 µH
R1
R2
VBAT
VOUT
R5
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, C5, C6 = X7R,X5R Ceramic
C3 = Low ESR Tantalum
DS1 = BAT54S
LBO
C5
0.1 µF
DS1
C6
1 µF
V
CC2
-5 V
Unregulated
Auxiliary Output
Battery
Input
FB
V
CC1
5 V
Boost Main Output
TPS61020, TPS61024, TPS61025
TPS61026, TPS61027, TPS61028
TPS61029
SLVS451F –SEPTEMBER 2003–REVISED APRIL 2012 www.ti.com
Figure 26. Power Supply Solution With Auxiliary Positive Output Voltage
Figure 27. Power Supply Solution With Auxiliary Negative Output Voltage
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Product Folder Link(s): TPS61020 TPS61024 TPS61025 TPS61026 TPS61027 TPS61028 TPS61029