Available 24/7 at SENICO ELECTRONICS INTL CO., LIMITED
    SENICO ELECTRONICS INTL CO., LIMITED

    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 RoHs 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

    1,783
    RFQ
    UC3842ADWG4

    Datasheet

    UC3842ADWG4 - 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

    2,116
    RFQ
    UC2843ANNTR

    Datasheet

    UC2843ANNTR - 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

    1,833
    RFQ
    UC2843AQ

    Datasheet

    UC2843AQ - 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

    2,207
    RFQ
    UC2843DTR/80869

    Datasheet

    UC2843DTR/80869 - 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

    1,601
    RFQ
    UC2843NNTR

    Datasheet

    UC2843NNTR - 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

    1,285
    RFQ
    UC2842DW

    Datasheet

    UC2842DW - 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

    2,074
    RFQ
    UC3525AQ

    Datasheet

    UC3525AQ - 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

    2,922
    RFQ
    UCC2961N

    Datasheet

    UCC2961N - 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

    1,614
    RFQ
    UC2825N/80709

    Datasheet

    UC2825N/80709 - 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

    1,423
    RFQ
    UCC2961DTR

    Datasheet

    UCC2961DTR - 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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