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Partname: | SC189BULTRT |
Description: | 2.5MHz, 1.5A Synchronous Step Down Regulator |
Manufacturer: | Semtech Corp. |
Datasheet: | PDF (1.45M). Click here to download *) |
The SC189 is a high efficiency, synchronous step-down regulator providing up to 1.5A output current in either an ultra-small 2mm x 2mm, low profile package or a low cost SOT23-5 package. The device requires only three external filter components for a complete step down regulator solution. The input voltage range is 2.9 to 5.5V with either factory programmed outputs from 1.0 to 3.3V or adjustable output via an external resistor divider. The converter operates at fixed 2.5MHz switching frequency allowing small L/C filtering components. The voltage mode architecture is compatible with chip inductors and capacitors for minimum PCB footprint and lowest overall system cost. Total footprint of 25mm2 can be achieved - making the SC189 the ideal solution for high density systems. Solution height of <1mm is also possible. |
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Click here to download SC189BULTRT Datasheet*) |
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