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TPS63012YFFR
High Efficient Single Inductor Buck-Boost Converter with 2-A Switches
VIN
VOUT
1.5 µH
10 µF
VIN
VOUT
3.3 V
Up to
VSEL
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TPS63010, TPS63011, TPS63012SLVS653C –JUNE 2008–REVISED FEBRUARY 2016
TPS6301x Highly Efficient, Single Inductor Buck-Boost Converter With 2-A Switches Features Upto 96% Efficiency 1200-mA Output Currentat 3.3Vin Step-Down
Mode (VIN= 3.6Vto 5.5V) Upto 800-mA Output Currentat 3.3Vin Boost
Mode (VIN> 2.4V) Automatic Transition Between Step-Down and
Boost Mode Device Quiescent Current less than50 μA Input Voltage Range:2Vto 5.5V Fixed and Adjustable Output Voltage Options from
1.2Vto 5.5V Power Save Modefor Improved Efficiencyat Low-
Output Power Forced Fixed Frequency Operation and
Synchronization Possible Load Disconnect During Shutdown Output Overvoltage Protection Overtemperature Protection Availablein Small 20-Pin, 2.126 mm× 1.922 mm,
DSBGA Package
Applications All Two-Cell and Three-Cell Alkaline, NiCdor
NiMH,or Single-CellLi
Battery-Powered Products Portable Audio Players PDAs Cellular Phones Personal Medical Products White LEDs
DescriptionThe TPS6301x devices providea power supply
solution for products poweredby eithera two-cellor
three-cell alkaline, NiCdor NiMH battery,ora one-
cell Li-Ionor Li-polymer battery. Output currents canas high as 1200 mA while usinga single-cell Li-
Ionor Li-Polymer Battery, and dischargeit downto
2.5Vor lower. The buck-boost converteris based on fixed-frequency, pulse-width-modulation (PWM)
controller using synchronous rectification to obtain
maximum efficiency. At low load currents, the
converter enters power save modeto maintain high
efficiency overa wide load current range. The power
save mode can be disabled, forcing the converterto
operateata fixed switching frequency. The maximum
average currentin the switchesis limitedtoa typical
value of 2200 mA. The output voltage is
programmable using an external resistor divider,oris
fixed internally on the chip. The converter can be
disabledto minimize battery drain. During shutdown,
the loadis disconnected from the battery. The device packagedina 20-pin DSBGA package measuring
2.126 mm× 1.922 mm (YFF).
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Typical Application Circuit
