Enabling solar-cell and micro-fuel-cell operation in portable electronics, the TPS61200 step-up converter supports voltages of 0.3 to 5.5 V during normal operation, and continues to manage power down to 0.0 V if the undervoltage lockout pin is connected directly to the output voltage. The converter has an integrated 1.5-A switch, provides a 0.5-V startup capability in any load condition, and can operate with more than 90% efficiency.
Housed in 10-pin QFN packages, the part offers output short-circuit protection, programmable undervoltage lockout, and a unique “down-conversion mode” that helps protect the device when an input voltage rises higher than the output voltage. ($1.68 ea/1,000available now.)
Texas Instruments , Dallas , TX
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800-477-8924
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