Resource Magazine Online: Summer 2007

Texas Instruments’ TPS61200 Boost Converter Allows Operation Over a Wide Input Range Down to 0.3V

New ultra-low input voltage TPS61200 step-up converter with integrated 1.5A switch supports input voltages of 0.3V to 5.5V during normal operation.

The TPS61200 boasts extremely low 0.5V start-up capability in any load condition and operates with more than 90 percent efficiency. In contrast, today's best step-up converters can only support an input voltage beginning at 0.7V with start-up at 0.9V-good for primary rechargeable battery cells or main supplies, but not low enough to support new applications using energy-harvesting power sources such as solar cells or fuel cells.

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