Datasheet

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SWN
C3
10 µF
L1−A
22 µH
R1
R2
VBAT
VOUT
FB
R3
R6
LDOIN
R5
R4
LDOSENSE
LDOOUT
R7 R9
C6
22 µF
C5
2.2 µF
U1
LBO
PGOOD
PGND
LBI
SKIPEN
EN
LDOEN
GND
TPS61130PW
List of Components:
U1 = TPS61130PW
L1 = Coiltronics DRQ74−220
C3, C5, C7 = X7R/X5R Ceramic
C6 = X7R/X5R Ceramic or Low
ESR Tantalum
3.3 V
LBO
PGOOD
C7
SWP
L1−B
22 µH
10 µF
SWN
C3
10 µF
L1−A
22 µH
R1
R2
VBAT
VOUT
LDOIN
LDOSENSE
LDOOUT
R7 R8
C6
2.2 µF
C4
100 µF
U1
LBO
PGOOD
PGND
LBI
SYNC
EN
LDOEN
GND
TPS61130PW
List of Components:
U1 = TPS61130PW
L1 = Coiltronics DRQ74−220
C3, C5, C6, C7 = X7R/X5R Ceramic
C4 = Low ESR Tantalum
D1 = On-Semiconductor MBR0520
V
CC
Control
Outputs
D1
USB Input
4.2 V...5.5 V
FB
3.3 V System Supply
R5
R4
1.022 MΩ
180 kΩ
R3
1 MΩ
180 kΩ
R6
C7
SWP
L1−B
22 µH
10 µF
TPS61130
TPS61131
TPS61132
SLVS431B – JUNE 2002 – REVISED JANUARY 2008
Figure 27. Single Output Using LDO as Filter
Figure 28. Dual Input Power Supply Solution
Copyright © 2002 – 2008, Texas Instruments Incorporated Submit Documentation Feedback 21
Product Folder Link(s): TPS61130 TPS61131 TPS61132