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This module provide a power supply solution for products powered by either a single-cell, two-cell, or thress-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery.
Power sav…
This module provide a power supply solution for products powered by either a single-cell, two-cell, or thress-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery.
Power save mode: set by jump. (default: disable)
Undervoltage lockout mode: set by resistors. (default: disable)
78xx series pin compatible.
Module size: 0.67 * 0.38 in.
Base on TI TPS61200 boost converter.
Wide input voltage range: 0.3 to 5.5 VDC.
Minimum input voltage at startup: 0.5 VDC.
Wide output voltage range: 1.8 to 5.5 VDC. (Adjustable)
More than 90% efficiency.
Average input current is limited to a maximum value of 1500 mA.
Automatic transition between boost mode and down conversion mode.
Output short circuit protection and thermal shutdown.
Tiny DC-DC converter with extremely low start-up voltage
The start-up voltage is a mere 0.5V, so it will work with even the weakest batteries you might have. Of course you won't get a lot of current that way, but you can run an energy-efficient micro-controller from a single AA/AAA battery for quite some time. The board is truly minuscule, about 3/4 the size of my thumbnails.
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