TPS61030 Datasheet, PDF (16/20 Pages) Texas Instruments – 96% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 4A SWITCH

TPS61030
TPS61031, TPS61032
SLUS534D – SEPTEMBER 2002 – REVISED APRIL 2004
Layout Considerations (continued)
Battery
Input
C1
10 µF
L1
6.8 µH
R1
R2
SW
VBAT
EN
LBI
VOUT
FB
SYNC
LBO
GND
PGND
TPS61032
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C2
C3
2.2 µF 220 µF
R6
V_CC 5 V
Boost Output
LBO
List of Components:
U1 = TPS6103xPWP
L1 = Sumida CDRH124–6R8
C1, C2 = X7R,X5R Ceramic
C3 = Low ESR Tantalum
Figure 19. Power Supply Solution for Maximum Output Power
Battery
Input
C3
10 µF
L1
6.8 µH
R1
R2
C5
DS1
0.1 µF
SW
VBAT
EN
LBI
VOUT
FB
SYNC
LBO
C6
1 µF
V_CC2 10 V
Unregulated
Auxiliary Output
C2
C3
2.2 µF 220 µF
V_CC1 5 V
Boost Main Output
R6
LBO
List of Components:
U1 = TPS6103xPWP
L1 = Sumida CDRH124–6R8
C3, C5, C6, = X7R,X5R Ceramic
C3 = Low ESR Tantalum
DS1 = BAT54S
GND
PGND
TPS61032
Figure 20. Power Supply Solution With Auxiliary Positive Output Voltage
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