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
    LTC3860EUH#PBF

    LTC3860EUH#PBF

    DUAL, MULTIPHASE STEP-DOWN VOLTA

    Linear Technology

    2,886
    RFQ
    LTC3860EUH#PBF

    Datasheet

    LTC3860EUH#PBF PolyPhase® 32-WFQFN Exposed Pad Bulk Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 1.25MHz 91.5% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    LM27213SQX/NOPB

    LM27213SQX/NOPB

    LM27213 SINGLE PHASE HYSTERETIC

    Texas Instruments

    2,113
    RFQ
    LM27213SQX/NOPB

    Datasheet

    LM27213SQX/NOPB - 48-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 6V - - Yes No - Current Limit, Enable, Power Good, Soft Start -5°C ~ 105°C (TA) - - Surface Mount 48-WQFN (7x7)
    LTC3836EGN#PBF

    LTC3836EGN#PBF

    LTC3836 - LOW INPUT VOLTAGE 2-PH

    Linear Technology

    2,751
    RFQ
    LTC3836EGN#PBF

    Datasheet

    LTC3836EGN#PBF PolyPhase® 28-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 4.5V 300kHz ~ 750kHz 97% Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
    LT1737IGN

    LT1737IGN

    LT1737 - IC VOLT REG TRANSISTOR

    Linear Technology

    2,492
    RFQ
    LT1737IGN

    Datasheet

    LT1737IGN - 16-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up/Step-Down Positive and Negative Flyback 1 1 4.1V ~ 20V 90kHz ~ 115kHz 90% No No - Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-SSOP
    LTC3860IUH#PBF

    LTC3860IUH#PBF

    DUAL, MULTIPHASE STEP-DOWN VOLTA

    Linear Technology

    1,206
    RFQ
    LTC3860IUH#PBF

    Datasheet

    LTC3860IUH#PBF PolyPhase® 32-WFQFN Exposed Pad Bulk Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 1.25MHz 91.5% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    ISL8121IRZ

    ISL8121IRZ

    BUCK REGULATOR POSITIVE OUTPUT S

    Renesas

    1,316
    RFQ

    -

    ISL8121IRZ - 24-VFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.9V ~ 5.5V 150kHz ~ 2MHz 66% Yes No - Current Limit, Enable, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
    LTC3838EFE#PBF

    LTC3838EFE#PBF

    DUAL, FAST, ACCURATE STEP-DOWN D

    Linear Technology

    1,884
    RFQ
    LTC3838EFE#PBF

    Datasheet

    LTC3838EFE#PBF PolyPhase® 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
    LM5116MH

    LM5116MH

    LM5116 6-100V WIDE VIN, CURRENT

    Texas Instruments

    2,471
    RFQ
    LM5116MH

    Datasheet

    LM5116MH - 20-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 100V 200kHz, 535kHz - Yes Yes - Enable, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-HTSSOP
    UC3847DW

    UC3847DW

    UC3847 CURRENT MODE PWM CONTROLL

    Unitrode

    1,782
    RFQ
    UC3847DW

    Datasheet

    UC3847DW - 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull 2 1 6.95V ~ 40V 500kHz 50% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
    ISL6327CRZ-T

    ISL6327CRZ-T

    SWITCHING CONTROLLER, VOLTAGE-MO

    Intersil

    2,337
    RFQ
    ISL6327CRZ-T

    Datasheet

    ISL6327CRZ-T - 48-VFQFN Exposed Pad Bulk Active PWM Signal Step-Down Positive Buck 6 6 4.75V ~ 5.25V 80kHz ~ 1MHz - - No - Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 48-QFN (7x7)
    LTC1874EGN#PBF

    LTC1874EGN#PBF

    LTC1874 - DUAL OUTPUT STEP-DN CO

    Linear Technology

    1,419
    RFQ
    LTC1874EGN#PBF

    Datasheet

    LTC1874EGN#PBF - 16-SSOP (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 1 2.5V ~ 9.8V 550kHz 100% No No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
    LTC3875EUH#PBF

    LTC3875EUH#PBF

    LTC3875 - DUAL, 2-PHASE, SYNCHRO

    Linear Technology

    2,845
    RFQ
    LTC3875EUH#PBF

    Datasheet

    LTC3875EUH#PBF - 40-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 250kHz ~ 720kHz - Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (5x5)
    LTC3834EUFD#PBF

    LTC3834EUFD#PBF

    LTC3834 - IQ SYNCHRONOUS STEP-DO

    Linear Technology

    1,205
    RFQ
    LTC3834EUFD#PBF

    Datasheet

    LTC3834EUFD#PBF - 20-WFQFN Exposed Pad Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Current Limit, Dead Time Control, Enable, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 85°C - - Surface Mount 20-QFN (4x5)
    LTC3711EGN#PBF

    LTC3711EGN#PBF

    LTC3711 - 5-BIT ADJ. STEPDOWN CO

    Linear Technology

    2,172
    RFQ
    LTC3711EGN#PBF

    Datasheet

    LTC3711EGN#PBF - 24-SSOP (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 36V - 90% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
    ISL6327IRZ

    ISL6327IRZ

    SWITCHING CONTROLLER, VOLTAGE-MO

    Intersil

    2,323
    RFQ
    ISL6327IRZ

    Datasheet

    ISL6327IRZ - 48-VFQFN Exposed Pad Bulk Active PWM Signal Step-Down Positive Buck 6 6 4.75V ~ 5.25V 80kHz ~ 1MHz - - No - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 48-QFN (7x7)
    LTC3875IUH#PBF

    LTC3875IUH#PBF

    LTC3875 - DUAL, 2-PHASE, SYNCHRO

    Linear Technology

    2,100
    RFQ
    LTC3875IUH#PBF

    Datasheet

    LTC3875IUH#PBF - 40-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 250kHz ~ 720kHz - Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (5x5)
    UCC25702D

    UCC25702D

    UCC25702 ADVANCED VOLTAGE MODE P

    Unitrode

    2,453
    RFQ
    UCC25702D

    Datasheet

    UCC25702D - 14-SOIC (0.154", 3.90mm Width) Bulk Active 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-SOIC
    UC2870DW-1

    UC2870DW-1

    SWITCHING CONTROLLER, CURRENT-MO

    Unitrode

    2,964
    RFQ
    UC2870DW-1

    Datasheet

    UC2870DW-1 * - Bulk Active - - - - - - - - - - - - - - - - - -
    LTC3703EG-5#PBF

    LTC3703EG-5#PBF

    LTC3703-5 - LOW VOLTAGE GATE-DRI

    Linear Technology

    2,541
    RFQ
    LTC3703EG-5#PBF

    Datasheet

    LTC3703EG-5#PBF - 28-SSOP (0.209", 5.30mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.1V ~ 15V 100kHz ~ 600kHz 93% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
    UCC39421PW

    UCC39421PW

    UCC39421 HIGH FREQUENCY MULTIMOD

    Unitrode

    2,732
    RFQ
    UCC39421PW

    Datasheet

    UCC39421PW - 16-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset 0°C ~ 70°C (TA) - - Surface Mount 16-TSSOP
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