TPS63001DRCRG4 ,96% Buck-Boost Converter with 1.7A Current Switches, 3.3V fixed Output voltage in 3x3 QFN 10-VSON -40 to 85Block Diagram..... 712 Mechanical, Packaging, and Orderable7.3 Feature Description...... 8Informati ..
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TPS63001DRCR-TPS63001DRCRG4
96% Buck-Boost Converter with 1.7A Current Switches, 3.3V fixed Output voltage in 3x3 QFN
Efficiency - % = 3.3 V = 4.2 VIV = 3.6 VI = 2.4 VIVIN
VINA
PS/SYNC
VOUT
PGND
2.2µH
10µF
10µF
VIN
1.8V to
5.5V
VOUT
3.3V up to
1200mA
TPS63001
10µF
100S
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TPS63000, TPS63001, TPS63002SLVS520C –MARCH 2006–REVISED OCTOBER 2015
TPS6300x High-Efficient Single Inductor Buck-Boost Converter With 1.8-A Switches Features 3 DescriptionThe TPS6300x devices providea power supply Input Voltage Range: 1.8Vto 5.5V solution for products poweredby eithera two-cellor• Fixed and Adjustable Output Voltage Options from three-cell alkaline, NiCdor NiMH battery,ora one-1.2Vto 5.5V cell Li-ionor Li-polymer battery. Output currents can Upto 96% Efficiency goas highas 1200 mA while usinga single-cell Li-ion Li-polymer battery, and dischargeit downto 2.5V• 1200-mA Output Currentat 3.3Vin Step-Down or lower. The buck-boost converteris based onaMode (VIN= 3.6Vto 5.5V) fixed frequency, pulse width modulation (PWM)• Upto 800-mA Output Currentat 3.3Vin Boost controller using synchronous rectification to obtainMode (VIN> 2.4V) maximum efficiency. At low load currents, the Automatic Transition Between Step-Down and converter enters power-save modeto maintain high
efficiency overa wide load current range. The power-Boost Mode
save mode can be disabled, forcing the converterto• Device Quiescent Current less than50 μA operateata fixed switching frequency. The maximum• Power-Save Mode for Improved Efficiencyat Low average currentin the switchesis limitedtoa typicalOutput Power value of 1800 mA. The output voltage is
programmable using an external resistor divider,oris• Forced Fixed Frequency Operation and
fixed internally on the chip. The converter can beSynchronization Possible disabledto minimize battery drain. During shutdown,• Load Disconnect During Shutdown the loadis disconnected from the battery.• Overtemperature Protection The TPS6300x devices operate overa free air• Availableina Small 3-mm× 3-mm 10-Pin VSON temperature rangeof –40°Cto 85°C. The devices arePackage (QFN) packaged in a 10-pin VSON package (QFN)
measuring3 mm×3 mm (DRC).
2 Applications
Device Information(1)• All Two-Cell and Three-Cell Alkaline, NiCdorNiMHor Single-CellLi Battery Powered Products• Portable Audio Players• Smart Phones• Personal Medical Products
(1) Forall available packages, see the orderable addendumat• White LEDs the endofthe datasheet.
Typical Application Schematic Efficiencyvs Output Current
