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
    UC3578DP

    UC3578DP

    IC REG CTRLR BUCK 16SOIC

    Texas Instruments

    2,094
    RFQ
    UC3578DP

    Datasheet

    UC3578DP - 16-SOIC (0.154", 3.90mm Width) Tube Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 14V ~ 72V 110kHz 90% No No - Current Limit, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
    LM5642MTCX

    LM5642MTCX

    IC REG CTRLR BUCK 28TSSOP

    Texas Instruments

    1,371
    RFQ
    LM5642MTCX

    Datasheet

    LM5642MTCX - 28-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 36V 200kHz 98.9% Yes Yes - Current Limit, Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP
    UC3578DPG4

    UC3578DPG4

    IC REG CTRLR BUCK 16SOIC

    Texas Instruments

    1,684
    RFQ
    UC3578DPG4

    Datasheet

    UC3578DPG4 - 16-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 14V ~ 72V 110kHz 90% No No - Current Limit, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
    LM5642MTC

    LM5642MTC

    IC REG CTRLR BUCK 28TSSOP

    Texas Instruments

    2,548
    RFQ
    LM5642MTC

    Datasheet

    LM5642MTC - 28-TSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 36V 200kHz 98.9% Yes Yes - Current Limit, Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP
    UC3841Q

    UC3841Q

    IC REG CTRLR MULT TOP 20PLCC

    Texas Instruments

    1,881
    RFQ
    UC3841Q

    Datasheet

    UC3841Q - 20-LCC (J-Lead) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 8V ~ 32V 500kHz 95% No No - Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-PLCC (9x9)
    LM3753SQ/NOPB

    LM3753SQ/NOPB

    IC REG CTRLR BUCK 32WQFN

    Texas Instruments

    2,443
    RFQ
    LM3753SQ/NOPB

    Datasheet

    LM3753SQ/NOPB - 32-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 18V 200kHz ~ 1MHz 81% Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Tracking -5°C ~ 125°C (TJ) - - Surface Mount 32-WQFN (5x5)
    UCC25702PWG4

    UCC25702PWG4

    IC REG CTRLR MULT TOP 14TSSOP

    Texas Instruments

    1,836
    RFQ
    UCC25702PWG4

    Datasheet

    UCC25702PWG4 - 14-TSSOP (0.173", 4.40mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 8.8V ~ 15V 100kHz 99% No Yes - Current Limit, Frequency Control, Sequencing, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 14-TSSOP
    LM5117QPMHE/NOPB

    LM5117QPMHE/NOPB

    IC REG CTRLR BUCK 20TSSOP

    Texas Instruments

    1,936
    RFQ
    LM5117QPMHE/NOPB

    Datasheet

    LM5117QPMHE/NOPB - 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 5.5V ~ 65V 200kHz, 480kHz - Yes No - Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 20-HTSSOP
    LM5117QPSQ/NOPB

    LM5117QPSQ/NOPB

    IC REG CTRLR BUCK 24WQFN

    Texas Instruments

    1,179
    RFQ
    LM5117QPSQ/NOPB

    Datasheet

    LM5117QPSQ/NOPB - 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 5.5V ~ 65V 200kHz, 480kHz - Yes No - Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 24-WQFN (4x4)
    TPS40490MHRHDR

    TPS40490MHRHDR

    IC REG CTRLR BUCK 28QFN

    Texas Instruments

    2,230
    RFQ
    TPS40490MHRHDR

    Datasheet

    TPS40490MHRHDR - 28-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 6V ~ 60V 100kHz ~ 5.4MHz - Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-VQFN (5x5)
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