High Efficiency Single Inductor Buck-Boost Converter
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TPS63030, TPS63031
SLVS696C – ...
Description
Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & Community
TPS63030, TPS63031
SLVS696C – OCTOBER 2008 – REVISED OCTOBER 2015
TPS6303x High Efficiency Single Inductor Buck-Boost Converter With 1-A Switches
1 Features
1 Input Voltage Range: 1.8 V to 5.5 V Fixed and Adjustable Output Voltage Options from
1.2 V to 5.5 V Up to 96% Efficiency 800-mA Output Current at 3.3 V in Step-Down
Mode (VIN = 3.6 V to 5.5 V) Up to 500-mA Output Current at 3.3 V in Boost
Mode (VIN > 2.4 V) Automatic Transition Between Step-Down and
Boost Mode Device Quiescent Current less than 50 μA Power-Save Mode for Improved Efficiency at Low
Output Power Forced Fixed Frequency Operation and
Synchronization Possible Load Disconnect During Shutdown Overtemperature Protection Available in a Small 2.5-mm × 2.5-mm 10-Pin
VSON Package (QFN)
2 Applications
All Two-Cell and Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery Powered Products
Portable Audio Players Mobile Phones Personal Medical Products White LEDs
3 Description
The TPS6303x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a onecell Li-ion or Li-polymer battery. Output currents can go as high as 600 mA while using a single-cell Li-ion or Li-polymer battery, and discharge it down to 2.5 V or lower. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller usin...
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