High Speed PWM Controller

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德州儀器

High Speed PWM Controller

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德州儀器

High Speed PWM Controller

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TI

德州儀器

LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS

The UTC UC3823 provides a CCM/valley switching mixedmode operation for better efficiency performance. The operationmode stays at CCM at heavy load, and switch to valley switching atlight load.The UTC UC3823 is a high performance current mode PWMcontroller ideally suited for low standby power. Low V Proprietary frequency hopping for Improved EMI performance Cycle-by-cycle current limiting CCM/Valley Switching Operation Fixed switch frequency 60~70kHz Dynamic peak current limiting for constant output power Built-in synchronized slope compensation Gate output voltage clamped at 16V Adjustable DC ;

UTC

友順

具有 9.2V/8.4V UVLO 和 85% 占空比、溫度范圍為 0°C 至 70°C 的增強(qiáng)型 30V、1.5A 雙端 1MHz PWM 控制器

The UC1823 family of PWM control ICs is optimized for high frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is des ? Compatible with Voltage or Current-Mode Topologies\n? Practical Operation @ Switching Frequencies to 1.0MHz\n? 50ns Propagation Delay to Output\n? High Current Totem Pole Output (1.5A peak)\n? Wide Bandwidth Error Amplifier\n? Fully Latched Logic with Double Pulse Suppression\n? Pulse-by-Pulse Cur;

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德州儀器

HIGH-SPEED PWM CONTROLLER

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德州儀器

HIGH-SPEED PWM CONTROLLER

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德州儀器

High Speed PWM Controller

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德州儀器

High Speed PWM Controller

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德州儀器

High Speed PWM Controller

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TI

德州儀器