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UC3666L-B10-R Fiches technique(PDF) 7 Page - Unisonic Technologies

No de pièce UC3666L-B10-R
Description  DUAL CHANNEL 800mA HIGH EFFICIENCY STEP-DOWN DC/DC CONVERTER
PDF  8 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3666L-B10-R Fiches technique(HTML) 7 Page - Unisonic Technologies

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UC3666
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
7 of 8
www.unisonic.com.tw
QW-R502-489.a
Soft Start/Enable
Soft start limits the current surge seen at the input and eliminates output voltage overshoot. The enable pin is
active high. When pulled low, the enable input (EN) forces the UTC UC3666 into a low-power, non-switching state.
The total input current during shutdown is less than 1µA.
Over-temperature
Thermal protection completely disables switching when internal dissipation becomes excessive. The junction
over-temperature threshold is 145℃ with 10℃ of hysteresis. Once an over-temperature condition is removed, the
output voltage automatically recovers.



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