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Texas Instruments UCC2813QPWR-3Q1

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Texas Instruments
8-TSSOP (0.173, 4.40mm Width)
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    UCC2813QPWR-3Q1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including UCC2813QPWR-3Q1 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for UCC2813QPWR-3Q1 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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    UCC2813QPWR-3Q1 Typical application Circuitry Schematics

    The UCC2813QPWR-3Q1 from Texas Instruments is a member of the UCC28xx family of high-speed, low-power, single-ended pulse width modulator (PWM) controllers. They're designed to implement power conversion topologies like flyback, forward, push-pull, etc., and are typically used in DC-DC power supplies, AC-DC converters, battery chargers, and LED drivers. Here are some of the key components in a circuit that uses the UCC2813QPWR-3Q1: 

    1. Power Supply: The UCC2813QPWR-3Q1 operates with a supply voltage in the range of 4 V to 12 V. A decoupling capacitor is usually placed close to the VDD and ground pins to suppress noise. 

    2. Voltage Feedback: The output voltage of the power converter is sensed using a resistive voltage divider network and fed back to the device at the COMP pin. 

    3. Current Sense: The power switch's current is sensed using a sense resistor or a current sense transformer, and the signal is fed to the CS pin. 

    4. Output Gate Drive: The OUT pin provides the gate drive signal for the power switch, often a MOSFET or an IGBT. 

    5. Oscillator and Timing Resistors: The UCC2813QPWR-3Q1 has an internal oscillator whose frequency is set by a resistor (RT) and a capacitor (CT) connected to the RT/CT pin. 

    6. Soft Start: A capacitor can be connected to the SS pin to control the duty cycle during startup, providing a soft-start function to prevent inrush current. 

    7. Under-Voltage Lockout (UVLO): The UVLO pin is used to set a threshold voltage below which the device will not operate, protecting the circuit from insufficient supply voltage. 

    8. Error Amplifier: The UCC2813QPWR-3Q1 incorporates an error amplifier that compares the feedback voltage with a reference voltage to adjust the duty cycle of the PWM signal for regulation. 

    9. Shutdown: The device has a shutdown function controlled by the SHUTDOWN pin. Remember, this is a general circuit description. The exact schematic and component values will depend on your specific application requirements. 

    For detailed information on designing an application circuit with the UCC2813QPWR-3Q1, refer to its datasheet and application notes from Texas Instruments, following the manufacturer's design guidelines.

    UCC2813QPWR-3Q1 informationUCC2813QPWR-3Q1 information

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