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    DC DC Switching Controllers

    Manufacturer Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package

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    Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
    UC3842ADWG4

    UC3842ADWG4

    IC REG CTRLR PWM CM 16SOIC

    Unitrode

    1,120
    RFQ
    UC3842ADWG4

    Datasheet

    - 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
    UC2843ANNTR

    UC2843ANNTR

    UC2843 SWITCHING CONTROLLER

    Unitrode

    21,377
    RFQ
    UC2843ANNTR

    Datasheet

    - 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
    UC2843AQ

    UC2843AQ

    1A, 500KHZ BIPOLAR, PQCC20

    Unitrode

    2,249
    RFQ
    UC2843AQ

    Datasheet

    - 20-LCC (J-Lead) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 20-PLCC (9x9)
    UC2843DTR/80869

    UC2843DTR/80869

    UC2843 SWITCHING CONTROLLER

    Unitrode

    5,000
    RFQ
    UC2843DTR/80869

    Datasheet

    - 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Buck-Boost, Flyback, Forward 1 1 12V ~ 28V Up to 500kHz 97% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
    UC2843NNTR

    UC2843NNTR

    UC2843 SWITCHING CONTROLLER

    Unitrode

    2,400
    RFQ
    UC2843NNTR

    Datasheet

    - 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Buck-Boost, Flyback, Forward 1 1 12V ~ 28V Up to 500kHz 97% No No - Frequency Control -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
    UC2842DW

    UC2842DW

    1A, 500KHZ BIPOLAR, PDSO16

    Unitrode

    3,230
    RFQ
    UC2842DW

    Datasheet

    - 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Boost, Buck, Buck-Boost, Flyback, Forward 1 1 12V ~ 28V Up to 500kHz 97% No No - Frequency Control -40°C ~ 85°C - - Surface Mount 16-SOIC
    UC3525AQ

    UC3525AQ

    SWITCHING CONTROLLER, VOLTAGE-MO

    Unitrode

    921
    RFQ
    UC3525AQ

    Datasheet

    - 20-LCC (J-Lead) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 35V 100Hz ~ 400kHz 49% Yes Yes - Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-PLCC (9x9)
    UCC2961N

    UCC2961N

    IC REG CTRLR FWRD CONV 14DIP

    Unitrode

    1,900
    RFQ
    UCC2961N

    Datasheet

    - 14-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 8V ~ 19V 400kHz 72% Yes No - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Through Hole 14-PDIP
    UC2825N/80709

    UC2825N/80709

    UC2825 SWITCHING CONTROLLER

    Unitrode

    12,741
    RFQ
    UC2825N/80709

    Datasheet

    - 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8.4V ~ 30V 340kHz ~ 460kHz 80% No No - Current Limit, Enable, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
    UCC2961DTR

    UCC2961DTR

    SWITCHING CONTROLLER

    Unitrode

    7,350
    RFQ
    UCC2961DTR

    Datasheet

    - 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 8V ~ 19V 400kHz 72% Yes No - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
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