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UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply

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    Buy cheap UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply from wholesalers
     
    Buy cheap UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply from wholesalers
    • Buy cheap UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply from wholesalers
    • Buy cheap UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply from wholesalers

    UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply

    Ask Lasest Price
    Brand Name : Texas Instruments
    Model Number : UC1823L883B
    Certification : ROHS
    Price : Negotiated
    Payment Terms : T/T, Western Union
    Supply Ability : 5000PCS
    Delivery Time : 5 working days
    • Product Details
    • Company Profile

    UC1823L883B UC1823 PWM Controller Integrated Circuits IC For Power Supply

    Integrated Circuits IC Texas Instruments (Electronic Components )

    UC1823L883B UC1823 High Speed PWM Controller Integrated circuits IC for high frequency switched mode power supply


    Description:


    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 designed for use in either current-mode or voltage-mode systems with the capability for input voltage feed-forward.
    Protection circuitry includes a current limit comparator, a TTL compatible shutdown port, and a soft start pin which will double as a maximum duty cycle clamp. The logic is fully latched to provide jitter free operation and prohibit multiple pulses at the output. An under-voltage lockout section with 800mV of hysteresis assures low start up current. During under-voltage lockout, the output is high impedance. The current limit reference (pin 11) is a DC input voltage to the current limit comparator. Consult specifications for details.
    These devices feature a totem pole output designed to source and sink high peak currents from capacitive loads, such as the gate of a power MOSFET. The on state is defined as a high level.
    • Specifications:
    CategoryIntegrated Circuits (ICs)
     High Speed PWM Controller IC
    MfrTexas Instruments
    SeriesUCC
    PackageTray & Reel (TR)
    Part StatusActive
    PLLYes
    Main PurposeGeneral purpose
    Operating Temperature-40°C ~ 85°C
    Mounting TypeSurface Mount/Though Hole
    Package / CaseSOIC/DIP/CLCC
    Product Base NumberUC1823
    TopologyBoost, Buck, Flyback, Forward
    Duty cycle (Max) (%)85
    Supply voltage (Max) (V)12
    UVLO thresholds on/off (V)9.2/8.4
    FeaturesError Amplifier, Multi-topology, Soft Start, Synchronization Pin
    Operating temperature range (C)-55 to 125
    RatingMilitary
    Frequency (Max) (kHz)1000
    Gate drive (Typ) (A)1.5

    • Features:
    • 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%)

    Environmental & Export Classifications:

    ATTRIBUTEDESCRIPTION
    RoHS StatusROHS3 Compliant
    Moisture Sensitivity Level (MSL)3 (168 Hours)
    REACH StatusREACH Unaffected
    ECCNEAR99
    HTSUS8542.39.0001

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