Datasheet

VBAT
DS
GC1
GC2
CBA
GA1
PHA
GA2
PGNDA
SA1
SA2
FBA
COMPA
SSA
PGA
ENA
ENB
COMPC
ENC
V IN
EXTSUP
D IV
VREG
CBB
GB1
PHB
GB2
PGNDB
SB1
SB2
FBB
COMPB
SSB
PGB
AGND
RT
DLYAB
SYNC
V
B
UC
KA
V
B
UC
KB
POW ER
INPUT
V
BOOST
Exposed Pad
connec ted to GND
P lane
M icrocon tro lle r
Powe r L ines
Connec tion to GND P lane o fPCB th rough v ias
Connec tion to top /bo ttom o fPCB th rough v ias
Vo ltage Ra ilO u tpu ts
TPS43330-Q1
TPS43332-Q1
SLVSA82E –MARCH 2011–REVISED APRIL 2013 www.ti.com
PCB Layout
REVISION HISTORY
Changes from Revision D (September 2012) to Revision E Page
• Revised DC Electrical Characteristics, items 4.2, 4.4, and 4.6 ............................................................................................ 6
• Revised descriptions for DIV, ENA, and ENB pins ............................................................................................................... 9
• Altered functional block diagram ......................................................................................................................................... 12
• Replaced typical characteristic curve: LOAD STEP RESPONSE (BOOST) (0 TO 5 A AT 10 A/µs) ................................. 13
• Revised last paragraph of Light-Load PFM Mode section .................................................................................................. 19
• Changed R1 + ..................................................................................................................................................................... 32
• R2... equation in Resistor Divider Selection... section ........................................................................................................ 32
• Revised schematic for Application Example 1 .................................................................................................................... 34
Changes from Revision C (July 2012) to Revision D Page
• Changed specification names for HBM and CDM classification ratings ............................................................................... 3
• Corrected TYP value for V
sense
in Electrical Characteristics ................................................................................................. 6
• Corrected capacitor value ................................................................................................................................................... 21
Changes from Revision B (July 2012) to Revision C Page
• Corrected year of revision date from 2011 to 2012 .............................................................................................................. 1
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Product Folder Links: TPS43330-Q1 TPS43332-Q1