Datasheet

V
BAT
TPS43330-Q1
or
TPS43332-Q1
5V to 30V
VBAT
DS
GC1
GC2
CBA
GA1
PHA
GA2
PGNDA
SA1
SA2
FBA
COMPA
SSA
PGA
ENA
ENB
COMPC
ENC
SYNC
DLYAB
RT
AGND
PGB
SSB
COMPB
FBB
SB2
SB1
PGNDB
GB2
PHB
GB1
CBB
VREG
DIV
EXTSUP
VIN
3.9µH
0.1µF
0.1µF
4.7µF
10nF
10nF
1nF
5kΩ5kΩ
330µF
C
OUTB
6.8µH
0.01Ω
V — 3.3V, 16.5W
BuckB
10µH
10µF
1.5mF
C
OUT1
150µF
C
OUTA
V — 5V, 13.5W
BuckA
0.015Ω
6.2kΩ
47nF
330pF
24kΩ
1.8nF
47pF
27kΩ
1.5nF
47pF
16kΩ
50kΩ
16kΩ
84kΩ
TOP-SW1
BOT-SW1
BOT-SW2
TOP-SW2
TOP-SW3
BOT-SW3
C
330µF
IN
1kΩ
L1
L2
L3
D1
0.015Ω
BOOST — 10V, 25W
1.5kΩ
560pF
80kΩ
TPS43330-Q1
TPS43332-Q1
www.ti.com SLVSA82E –MARCH 2011–REVISED APRIL 2013
Table 6. Application Example 2
PARAMETER V
BuckA
V
BuckB
BOOST
V
IN
= 5 V to 30 V V
IN
= 6 V to 30 V V
BAT
= 5 V (cranking pulse
Input voltage
12 V - typical 12 V - typical input) to 30V
Output voltage, V
OUTx
5 V 3.3 V 10 V
Maximum output current, I
OUTx
2.7 A 5 A 3 A
Load-step output tolerance, ∆V
OUT
+ ∆V
OUT(Ripple)
±0.2 V ±0.12 V ±0.5 V
Current output load step, ∆I
OUTx
0.1 A to 2.7 A 0.1 A to 5 A 0.1 A to 3 A
Converter switching frequency, f
SW
300 kHz 300 kHz 150 kHz
Figure 29. Simplified Application Schematic, Example 2
Table 7. Application Example 2 – Component Proposals
Name Component Proposal Value
L1 MSS1278T-392NL (Coilcraft) 3.9 µH
L2 MSS1278T-103ML (Coilcraft) 10 µH
L3 MSS1278T-682ML (Coilcraft) 6.8 µH
D1 SK103 (Micro Commercial Components)
TOP_SW3 IRF7416 (International Rectifier)
TOP_SW1, TOP_SW2 Si4840DY-T1-E3 (Vishay)
BOT_SW1, BOT_SW2 Si4840DY-T1-E3 (Vishay)
BOT_SW3 IRFR3504ZTRPBF (International Rectifier)
C
OUT1
EEVFK1V152M (Panasonic) 1.5 mF
C
OUTA
ECASD91A157M010K00 (Murata) 150 µF
C
OUTB
ECASD90G337M008K00 (Murata) 330 µF
C
IN
EEEFK1V331P (Panasonic) 330 µF
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