Vrm9.0 Programmable, Multi-phase, High Performance Pwm Controller - Semtech Corporation

The SC1146 is the latest, high performance, multi- phase (PWM) controller designed for high power mi- croprocessors requiring ultra fast transient response. The SC1146 is programmable for the voltage range required by the latest Microprocessors . Utilizing a novel and unique design, the controller distributes the output load across (up to) four converter channels by digitally phase shifting the PWM outputs. This ap- proach greatly reduces the stress and heat on the out- put stage components while lowering input ripple cur- rent by as much as 80%. Accurate current sharing among the four phases is achieved by precision design techniques and trimming of critical elements. The high speed transconductance error Amplifier is ex- ternally initialized using a soft-start capacitor allowing the controller to wake-up without overshoot, thus pro- tecting the low voltage Microprocessor loads. The out- put drive voltage to the Power MOSFETs is pro- grammable to minimize switching losses in the drive circuitry. By Semtech Corporation
SC1146 's PackagesSC1146 's pdf datasheet

SC1146 Pinout, Pinouts
SC1146 pinout,Pin out
This is one package pinout of SC1146,If you need more pinouts please download SC1146's pdf datasheet.

SC1146 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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