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    Texas Instruments UC3823N, PWM Controller, 1000 kHz 16-Pin, PDIP

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    Bulk discount available

    Price (VAT excluded) Each (In a Tube of 25)**

    TWD161.80

    (exc. GST)

    TWD169.89

    (inc. GST)

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    41 In stock for delivery within 6 working days*

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    25 - 25TWD161.80TWD4,045.00
    50 - 75TWD158.30TWD3,957.50
    100 +TWD154.80TWD3,870.00

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    RS Stock No.:
    922-3454
    Mfr. Part No.:
    UC3823N
    Manufacturer:
    Texas Instruments

    Flyback Controller, Voltage Control, Texas Instruments


    The isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation to improve transient response to large load steps. Primary-Side Regulation (PSR) eliminates the need for an Optocoupler.

    The Texas Instruments 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 designed for use in either current-mode or voltage-mode systems with the capability for input voltage feed-forward.

    Compatible with Voltage or Current-Mode Topologies
    Practical Operation @ Switching Frequencies to 1.0MHz
    50ns Propagation Delay to Output
    High Current Totem Pole Output (1.5A peak)
    Wide Bandwidth Error Amplifier
    Fully Latched Logic with Double Pulse Suppression
    Pulse-by-Pulse Current Limiting
    Soft Start/Max. Duty Cycle Control
    Under-Voltage Lockout with Hysteresis
    Low Start Up Current (1.1mA)
    Trimmed Bandgap Reference (5.1V ±1%)

    For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.


    Flyback Controllers, Texas Instruments


    Current-Mode and Voltage-Mode PWM Controller
    Primary-Side Regulation
    Peak Power Mode
    Low Power