SAN JOSE, CALIF. — IMP Inc. has introduced eight pulse-width modulation (PWM) controller ICs for switch-mode power supply and dc/dc converter manufacturers. IMP's BiCMOS IMP38C4x and IMP38HC4x devices ...

ST’s STCH03 offline Pulse-Width Modulation (PWM) controller combines high integration with accurate constant-current output using primary-side regulation enabling economical mobile chargers, power ...

Abstract: Pulse-width modulation is broadly used to control electric and electronic devices. The operation of many of these devices is based on the control of the output voltage of a passive filter.

Also note that the pulse duty factor of the pulse width modulated signal is set at TM1; R3 and R2 ensure that the adjustment range of the potentiometer is better utilized. You can of course apply some ...

This paper proposes a sliding mode controller for Pulse Width Modulation (PWM) based boost converter. The boost converter is modeled dynamic equations describing the converter are derived and sliding ...

The Hi-Velocity pulse width modulation (PWM) control is unique in the small duct, high velocity sector because it is a true energy-saving zoning control system, claims the company. The controller is ...

A while back someone mentioned thier Pulse width modulation setup...to control exactly the rpms of thier fans..and i'd liek to see that schematic, im trying ...