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
    UC3879DW

    UC3879DW

    IC REG CTRLR HALF-BRIDGE 20SOIC

    Texas Instruments

    1,963
    RFQ
    UC3879DW

    Datasheet

    UC3879DW - 20-SOIC (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive Half-Bridge 4 1 9V ~ 20V Up to 300kHz 50% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
    LT3840IUFE#PBF

    LT3840IUFE#PBF

    IC REG CTRLR BUCK 38QFN

    Analog Devices Inc.

    1,859
    RFQ
    LT3840IUFE#PBF

    Datasheet

    LT3840IUFE#PBF - 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (4x6)
    MAX15301AA02+CJK

    MAX15301AA02+CJK

    IC REG CTRLR BUCK PMBUS 32TQFN

    Analog Devices Inc./Maxim Integrated

    2,326
    RFQ
    MAX15301AA02+CJK

    Datasheet

    MAX15301AA02+CJK - 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14V 300kHz ~ 1MHz 95% Yes Yes PMBus Current Limit, Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 32-TQFN (5x5)
    LT3741EUF#TRPBF

    LT3741EUF#TRPBF

    IC REG CTRLR BUCK 20QFN

    Analog Devices Inc.

    1,131
    RFQ
    LT3741EUF#TRPBF

    Datasheet

    LT3741EUF#TRPBF - 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (4x4)
    LTC3773EUHF#PBF

    LTC3773EUHF#PBF

    IC REG CTRLR BUCK 38QFN

    Analog Devices Inc.

    1,439
    RFQ
    LTC3773EUHF#PBF

    Datasheet

    LTC3773EUHF#PBF - 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 3 3 3.3V ~ 36V 220kHz ~ 560kHz 98.5% Yes No - Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 38-QFN (5x7)
    LTC3857EUH#TRPBF

    LTC3857EUH#TRPBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    2,722
    RFQ
    LTC3857EUH#TRPBF

    Datasheet

    LTC3857EUH#TRPBF PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 38V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    MAX775ESA+

    MAX775ESA+

    IC REG CTRLR BUCK-BOOST 8SOIC

    Analog Devices Inc./Maxim Integrated

    2,450
    RFQ
    MAX775ESA+

    Datasheet

    MAX775ESA+ - 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
    LT3741EFE#TRPBF

    LT3741EFE#TRPBF

    IC REG CTRLR BUCK 20TSSOP

    Analog Devices Inc.

    1,085
    RFQ
    LT3741EFE#TRPBF

    Datasheet

    LT3741EFE#TRPBF - 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
    LT3741EFE#PBF

    LT3741EFE#PBF

    IC REG CTRLR BUCK 20TSSOP

    Analog Devices Inc.

    2,759
    RFQ
    LT3741EFE#PBF

    Datasheet

    LT3741EFE#PBF - 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
    LT3741EFE-1#PBF

    LT3741EFE-1#PBF

    IC REG CTRLR BUCK 20TSSOP

    Analog Devices Inc.

    1,778
    RFQ
    LT3741EFE-1#PBF

    Datasheet

    LT3741EFE-1#PBF - 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
    LT3845AIFE#PBF

    LT3845AIFE#PBF

    IC REG CTRLR BUCK 16TSSOP

    Analog Devices Inc.

    1,453
    RFQ
    LT3845AIFE#PBF

    Datasheet

    LT3845AIFE#PBF - 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
    LTC3891IFE#TRPBF

    LTC3891IFE#TRPBF

    IC REG CTRLR BUCK 20TSSOP

    Analog Devices Inc.

    2,772
    RFQ
    LTC3891IFE#TRPBF

    Datasheet

    LTC3891IFE#TRPBF - 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
    LTC7801EUFD#TRPBF

    LTC7801EUFD#TRPBF

    IC REG CTRLR SYNC BUCK 24QFN

    Analog Devices Inc.

    2,658
    RFQ
    LTC7801EUFD#TRPBF

    Datasheet

    LTC7801EUFD#TRPBF - 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (4x5)
    LT3845IFE#PBF

    LT3845IFE#PBF

    IC REG CTRLR BUCK 16TSSOP

    Analog Devices Inc.

    1,976
    RFQ
    LT3845IFE#PBF

    Datasheet

    LT3845IFE#PBF - 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
    LTC3736EUF#PBF

    LTC3736EUF#PBF

    IC REG CTRLR BUCK 24QFN

    Analog Devices Inc.

    2,746
    RFQ
    LTC3736EUF#PBF

    Datasheet

    LTC3736EUF#PBF - 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes Yes - Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
    LTC3859EUHF#TRPBF

    LTC3859EUHF#TRPBF

    IC REG CTRLR MULT TOPOLOGY 38QFN

    Analog Devices Inc.

    2,881
    RFQ
    LTC3859EUHF#TRPBF

    Datasheet

    LTC3859EUHF#TRPBF - 38-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 38V 115kHz ~ 835kHz, 350kHz ~ 535kHz 99%, 100% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
    LTC7801EFE#TRPBF

    LTC7801EFE#TRPBF

    IC REG CTRLR SYNC BUCK 24TSSOP

    Analog Devices Inc.

    1,246
    RFQ
    LTC7801EFE#TRPBF

    Datasheet

    LTC7801EFE#TRPBF - 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
    LT3800IFE#PBF

    LT3800IFE#PBF

    IC REG CTRLR BUCK 16TSSOP

    Analog Devices Inc.

    2,272
    RFQ
    LT3800IFE#PBF

    Datasheet

    LT3800IFE#PBF - 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 60V 200kHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
    LTC1624IS8#TRPBF

    LTC1624IS8#TRPBF

    IC REG CTRLR BCK/BST/SEPIC 8SOIC

    Analog Devices Inc.

    2,697
    RFQ
    LTC1624IS8#TRPBF

    Datasheet

    LTC1624IS8#TRPBF - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 3.5V ~ 36V 200kHz 95% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SO
    LTC1624IS8#PBF

    LTC1624IS8#PBF

    IC REG CTRLR BCK/BST/SEPIC 8SOIC

    Analog Devices Inc.

    1,750
    RFQ
    LTC1624IS8#PBF

    Datasheet

    LTC1624IS8#PBF - 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 3.5V ~ 36V 200kHz 95% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SO
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