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( File format: PDF, 282177 )
12V CMOS Voltage Converter
Linear Technology Inc.

Description
To optimize performance in specific applications, a boost function is available to raise the internal oscillator frequency by a factor of 7. Smaller external capacitors can be used in higher frequency operation to save board space. The internal oscillator can also be disabled to save power. The supply current drops to 1.5?A at 5V input when the OSC pin is tied to GND or V + .
Features
1.5V to 12V Operating Supply Voltage Range 13V Absolute Maximum Rating 200?A Maximum No Load Supply Current at 5V Boost Pin (Pin 1) for Higher Switching Frequency 97% Minimum Open Circuit Voltage Conversion Efficiency 95% Minimum Power Conversion Efficiency IS = 1.5?A with 5V Supply When OSC Pin = 0V or V + High Voltage Upgrade to ICL7660/LTC1044




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