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UTC494

YOUWANG
Part Number UTC494
Manufacturer YOUWANG
Description VOLTAGE MODE PWM CONTROL CIRCUITS
Published May 4, 2016
Detailed Description UTC494 LINEAR INTEGRATED CIRCUIT VOLTAGE MODE PWM CONTROL CIRCUITS DESCRIPTION The UTC494 incorporate on a single mon...
Datasheet PDF File UTC494 PDF File

UTC494
UTC494

Overview
UTC494 LINEAR INTEGRATED CIRCUIT VOLTAGE MODE PWM CONTROL CIRCUITS DESCRIPTION The UTC494 incorporate on a single monolithic chip all the functions required in the construction of a pulse-width modulation control circuit.
Designed primarily for power supply control, the device offers the systems engineer the flexibility to tailor the power supply control circuitry to its application.
The UTC494 contains an error amplifier,current-limiting amplifier, an on-chip adjustable oscillator, a dead time control com parator,pulse-steering control flip-flop,a 5volt ,1% precision supply regulator,and output control circuits.
The error amplifier exhibits a common-mode Voltage range from -0.
3V to VCC-2V.
The current-limit amplifier exhibits a common-mode Voltage range from -0.
3V to 3V with an offset Voltage of approximately 80 mV in series with the inverting input to ease circuit design requirements.
The dead-time control comparator has a fixed offset that provides approximately 5% dead time when e...


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