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
    LTC1649CS#PBF

    LTC1649CS#PBF

    IC REG CTRLR BUCK 16SOIC

    Analog Devices Inc.

    2,534
    RFQ
    LTC1649CS#PBF

    Datasheet

    LTC1649CS#PBF - 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 5V 200kHz 93% Yes No - Current Limit, Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SO
    LTC7818HUJ#PBF

    LTC7818HUJ#PBF

    BUCK/BUCK/BOOST SYNC CTL, 40V, 3

    Analog Devices Inc.

    1,975
    RFQ
    LTC7818HUJ#PBF

    Datasheet

    LTC7818HUJ#PBF - - Tube Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 4.5V ~ 40V 100kHz ~ 3MHz - Yes No - - -40°C ~ 150°C - - - -
    LTC3736EUF-1#PBF

    LTC3736EUF-1#PBF

    IC REG CTRLR BUCK 24QFN

    Analog Devices Inc.

    1,192
    RFQ
    LTC3736EUF-1#PBF

    Datasheet

    LTC3736EUF-1#PBF - 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
    LTC1439IG#PBF

    LTC1439IG#PBF

    IC REG CTRLR BUCK 36SSOP

    Analog Devices Inc.

    2,798
    RFQ
    LTC1439IG#PBF

    Datasheet

    LTC1439IG#PBF - 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
    LTC1439IGW#PBF

    LTC1439IGW#PBF

    IC REG CTRLR BUCK 36SSOP

    Analog Devices Inc.

    1,653
    RFQ
    LTC1439IGW#PBF

    Datasheet

    LTC1439IGW#PBF - 36-BSOP (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
    LTC3890IGN-3#PBF

    LTC3890IGN-3#PBF

    IC REG CTRLR BUCK/SEPIC 28SSOP

    Analog Devices Inc.

    2,631
    RFQ
    LTC3890IGN-3#PBF

    Datasheet

    LTC3890IGN-3#PBF - 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, SEPIC 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
    LTC1929CG#PBF

    LTC1929CG#PBF

    IC REG CTRLR BUCK 28SSOP

    Analog Devices Inc.

    1,354
    RFQ
    LTC1929CG#PBF

    Datasheet

    LTC1929CG#PBF - 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V - 99.5% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SSOP
    MAX15157DATJ+

    MAX15157DATJ+

    48V CURRENT MODE BUCK CONTROLLER

    Analog Devices Inc./Maxim Integrated

    1,640
    RFQ
    MAX15157DATJ+

    Datasheet

    MAX15157DATJ+ - 32-WFQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 1 1 8V ~ 60V 60kHz ~ 1MHz 50% No Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
    LTC3883IUH#TRPBF

    LTC3883IUH#TRPBF

    IC REG CTRLR BUCK PMBUS 32QFN

    Analog Devices Inc.

    1,139
    RFQ
    LTC3883IUH#TRPBF

    Datasheet

    LTC3883IUH#TRPBF PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    LTC3851AMPMSE-1#PBF

    LTC3851AMPMSE-1#PBF

    IC REG CTRLR BUCK 16MSOP

    Analog Devices Inc.

    1,615
    RFQ
    LTC3851AMPMSE-1#PBF

    Datasheet

    LTC3851AMPMSE-1#PBF - 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 16-MSOP-EP
    LTC3728LIUH-1#PBF

    LTC3728LIUH-1#PBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    1,657
    RFQ
    LTC3728LIUH-1#PBF

    Datasheet

    LTC3728LIUH-1#PBF - 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 35V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
    MAX20754ETMA2+

    MAX20754ETMA2+

    6CH CONFIGURABLE MASTER W/ PMBUS

    Analog Devices Inc./Maxim Integrated

    2,359
    RFQ
    MAX20754ETMA2+

    Datasheet

    MAX20754ETMA2+ - 48-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 10V ~ 16V 300kHz ~ 800kHz - No No PMBus, SMBus - -40°C ~ 125°C - - Surface Mount 48-TQFN (7x7)
    LTC3826EUH#PBF

    LTC3826EUH#PBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    1,904
    RFQ
    LTC3826EUH#PBF

    Datasheet

    LTC3826EUH#PBF PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
    LTC1148CS-5#PBF

    LTC1148CS-5#PBF

    IC REG CTRLR BUCK 14SOIC

    Analog Devices Inc.

    1,365
    RFQ
    LTC1148CS-5#PBF

    Datasheet

    LTC1148CS-5#PBF - 14-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 20V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 14-SO
    LTC3826IUH#PBF

    LTC3826IUH#PBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    1,953
    RFQ
    LTC3826IUH#PBF

    Datasheet

    LTC3826IUH#PBF PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
    LTC3896HFE#TRPBF

    LTC3896HFE#TRPBF

    IC REG BUCK BOOST 38TSSOP

    Analog Devices Inc.

    2,669
    RFQ
    LTC3896HFE#TRPBF

    Datasheet

    LTC3896HFE#TRPBF - 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 4V ~ 140V 50kHz ~ 900kHz 99% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
    LTC3859ALIUHF#WPBF

    LTC3859ALIUHF#WPBF

    3X OUT, BUCK/BUCK/BOOST SYNC CNT

    Analog Devices Inc.

    2,565
    RFQ
    LTC3859ALIUHF#WPBF

    Datasheet

    LTC3859ALIUHF#WPBF - 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 36V 50kHz ~ 900kHz 100% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
    LTC1649IS#PBF

    LTC1649IS#PBF

    IC REG CTRLR BUCK 16SOIC

    Analog Devices Inc.

    1,815
    RFQ
    LTC1649IS#PBF

    Datasheet

    LTC1649IS#PBF - 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 5V 200kHz 93% Yes No - Current Limit, Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SO
    LTC1436AIGN-PLL#PBF

    LTC1436AIGN-PLL#PBF

    IC REG CTRLR BUCK 24SSOP

    Analog Devices Inc.

    2,225
    RFQ
    LTC1436AIGN-PLL#PBF

    Datasheet

    LTC1436AIGN-PLL#PBF - 24-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
    LTC3859ALHUHF#WPBF

    LTC3859ALHUHF#WPBF

    3X OUT, BUCK/BUCK/BOOST SYNC CNT

    Analog Devices Inc.

    2,680
    RFQ
    LTC3859ALHUHF#WPBF

    Datasheet

    LTC3859ALHUHF#WPBF - 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 36V 50kHz ~ 900kHz 100% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
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