STBB1XX Datasheet PDF - STMicroelectronics
Part Name
STBB1XX
Other PDF
no available.
PDF
page
21 Pages
File Size
1.4 MB
MFG CO.
STMicroelectronics
Description
The STBB1 is a fixed frequency, high efficiency, buck-boost DC-DC converter able to provide output voltages ranging from 1.2 V to 5.5 V and input voltages from 2.0 V to 5.5 V. The device can operate with input voltages higher than, equal to, or lower than the output voltage making the product suitable for single lithium-Ion, multicell alkaline or NiMH applications where the output voltage is within the battery voltage range.
Features
◾ Buck-boost DC-DC converter
◾ Operating input voltage range from 2.0 V to 5.5 V
◾ 2% DC feedback voltage tolerance
◾ Synchronous rectification
◾ Shutdown function
◾ 1.5 MHz switching frequency
◾ Power save mode at light load
◾ Typical efficiency: > 94 %
◾ 1 A output current capability
◾ Shutdown current < 1 µA
◾ Available in DFN10 (3 x 3 mm)
Applications
◾ Single cell Li-Ion and 3 cells alkaline, Ni-MH
powered devices
◾ SD/MMC memory card supply
◾ Palmtop computers
◾ Cell phones
◾ Digital cameras
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