2.5MHz, 1.5A Synchronous Step Down Regulator In MLPD2X2

The SC189 is a high effciency, synchronous Step-down Regulator providing up to 1.5A output current in an ultra- small 2mm x 2mm, low profle package. The device requires only three external flter components for a complete Step-down Regulator solution. The input voltage range is 2.9 to 5.5V with factory programmed outputs from 1.0 to 3.3V. The converter operates at fxed 2.5MHz switching frequency allowing small L/C fltering 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. Up to 93% effciency is achieved with low RDS(ON) internal switches. PWM constant frequency operation ensures low output ripple across the load range. 100% duty-cycle provides 360mV dropout voltage at 1.5A which extends the minimum input voltage for 2.5V and 3.3V outputs. Excellent transient response is achieved with no external compensation components. By Semtech Corporation
SC189 's PackagesSC189 's pdf datasheet
SC189XULTRT




SC189 Pinout, Pinouts
SC189 pinout,Pin out
This is one package pinout of SC189,If you need more pinouts please download SC189's pdf datasheet.

SC189 Application circuits
SC189 circuits
This is one application circuit of SC189,If you need more circuits,please download SC189's pdf datasheet.


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