Transcription of Buck Pulse Width Modulator Stepdown Voltage …
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Buck Pulse Width Modulator Stepdown Voltage …
Not Recommended for New Designs application UC2578. INFO UC3578. available Buck Pulse Width Modulator Stepdown Voltage Regulator FEATURES DESCRIPTION. Provides Simple single Inductor Buck The UC3578 is a PWM controller with an integrated high side floating gate PWM Step-Down Voltage Regulation driver. It is used in buck step down converters and regulates a positive output Voltage . Intended to be used in a distributed power system, the IC. Drives External High Side NMOS. Switch allows operation from 14V to 72V input Voltage which range includes the prevalent telecomm bus voltages. The output duty cycle of the UC3578. 14V to 72V Input Voltage Operating can vary between 0% and 90% for operation over the wide input Voltage Range and load conditions. Contains 100kHz Internal Oscillator, The UC3578 simplifies the design of the single switch PWM buck converter 2V Reference and UVLO by incorporating a floating high side driver for an external N-channel Soft Start on Power Up MOSFET switch.
UC2578 UC3578 05/99 FEATURES •Provides Simple Single Inductor Buck PWM Step-Down Voltage Regulation •Drives External High Side NMOS Switch •14V to 72V Input Voltage Operating
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