STEP-UP DC/DC CONVERTER
DCRIPTION
The UTC UC8383 is a high efficiency VFM controlled step-up
DC/DC converter. The UTC UC8383 is digned to have low start
up voltage and low quicent current: The UTC UC8383 can
realize the conversion from the input voltage to the selected
output voltage (2.5V ~ 5.0V) only using an inductor, a diode and
an output capacitor.
Its tical applications include: cellular telephon, pagers,
video camera, PDA and hand held instruments, palm,
notebook computer, portable equipment and battery powered
equipment.
FEATUR
* 0.8V start-up voltage
* Low supply current of tical be18μA
* Wide output voltage range of 2.5V~5.0V
* Output voltage accuracy &plun;2%
* Output current up to 100mA
* Low ripple and low noise
* High efficiency up to 85%
* Low profile and minimum external components
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