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150V, 100mA Step-Down Regulator Requires Only 3 External Components

The LTC3639 step-down regulator integrates key high-performance features into one compact IC. It is capable of up to 150V input voltage and 100mA output current, utilizing synchronous rectification and low quiescent current to maintain high efficiency over a broad spectrum of load current. Its adjustable output can be programmed from 0.8V to VIN, while its fixed 1.8V, 3.3V, and 5V output settings require only three external components, saving complexity and PCB area. Furthermore, the LTC3639’s 100% duty cycle capability and simple application circuit make it an ideal high-efficiency replacement for an LDO.
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7/16/2013 07:55 PM EDT | Post a comment
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