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
    TPS40100RGETG4

    TPS40100RGETG4

    IC REG CTRLR BUCK 24QFN

    Texas Instruments

    1,221
    RFQ
    TPS40100RGETG4

    Datasheet

    TPS40100RGETG4 - 24-VFQFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 18V 100kHz ~ 600kHz - Yes Yes - Current Limit, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-VQFN (4x4)
    LM2737MTCX

    LM2737MTCX

    IC REG CTRLR BUCK 14TSSOP

    Texas Instruments

    2,281
    RFQ
    LM2737MTCX

    Datasheet

    LM2737MTCX - 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 50kHz ~ 2MHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
    MAX8579EUB+T

    MAX8579EUB+T

    IC REG CTRLR BUCK 10UMAX

    Analog Devices Inc./Maxim Integrated

    2,823
    RFQ
    MAX8579EUB+T

    Datasheet

    MAX8579EUB+T - 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 28V 200kHz ~ 500kHz - Yes No - Current Limit, Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX/uSOP
    SC1110CSTRT

    SC1110CSTRT

    IC REG CTRLR BUCK 14SOIC

    Semtech Corporation

    2,348
    RFQ
    SC1110CSTRT

    Datasheet

    SC1110CSTRT - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.4V ~ 12.6V 250kHz 95% Yes No - Current Limit, Enable, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
    LM5033SD/NOPB

    LM5033SD/NOPB

    IC REG CTRLR PUSH-PULL 10WSON

    Texas Instruments

    2,192
    RFQ
    LM5033SD/NOPB

    Datasheet

    LM5033SD/NOPB - 10-WDFN Exposed Pad Tape & Reel (TR) Last Time Buy PWM Signal Step-Up/Step-Down Positive Full-Bridge, Half-Bridge, Push-Pull 2 1 15V ~ 90V 200kHz, 600kHz - Yes Yes - Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-WSON (4x4)
    TPS5124DBTRG4

    TPS5124DBTRG4

    IC REG CTRLR BUCK 30TSSOP

    Texas Instruments

    2,837
    RFQ
    TPS5124DBTRG4

    Datasheet

    TPS5124DBTRG4 - 30-TFSOP (0.173", 4.40mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 15V 300kHz 80% Yes No - Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 30-TSSOP
    ISL6721ABZ-T

    ISL6721ABZ-T

    IC REG CTRLR BOOST/FLYBK 16SOIC

    Renesas Electronics Corporation

    2,687
    RFQ
    ISL6721ABZ-T

    Datasheet

    ISL6721ABZ-T - 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 9V ~ 18V Up to 1MHz 75% No Yes - Current Limit, Frequency Control, Power Good, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 16-SOIC
    UCC28251PW

    UCC28251PW

    IC REG CTRLR MULT TOP 20TSSOP

    Texas Instruments

    1,924
    RFQ
    UCC28251PW

    Datasheet

    UCC28251PW - 20-TSSOP (0.173", 4.40mm Width) Tube Active PWM Signal Step-Up/Step-Down Positive Full-Bridge, Half-Bridge, Push-Pull 2 1 4.7V ~ 17V 42kHz ~ 945kHz - Yes No - Current Limit, Enable, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP
    SC4508AMLTRT

    SC4508AMLTRT

    IC REG CTRLR BUCK/BCK-BST 12MLPQ

    Semtech Corporation

    2,400
    RFQ
    SC4508AMLTRT

    Datasheet

    SC4508AMLTRT - 12-VQFN Exposed Pad Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost 1 1 2.7V ~ 15V 100kHz ~ 1.5MHz 97% No No - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 12-MLPQ (4x4)
    LX1752CLQ

    LX1752CLQ

    IC REG CTRLR BUCK 28MLPQ

    Microsemi Corporation

    1,306
    RFQ
    LX1752CLQ

    Datasheet

    LX1752CLQ - 28-VFQFN Exposed Pad Tube Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 2 1 4.2V ~ 22V 200kHz ~ 1.5MHz 92% Yes Yes - Current Limit, Enable, Soft Start 0°C ~ 85°C (TA) - - Surface Mount -
    UCC3585D

    UCC3585D

    IC REG CTRLR BUCK 16SOIC

    Texas Instruments

    2,092
    RFQ
    UCC3585D

    Datasheet

    UCC3585D - 16-SOIC (0.154", 3.90mm Width) Tube Last Time Buy Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 500kHz 100% Yes No - Current Limit, Enable, Frequency Control, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SOIC
    ISL6567CRZ-T

    ISL6567CRZ-T

    IC REG CTRLR BUCK 24QFN

    Renesas Electronics Corporation

    1,623
    RFQ
    ISL6567CRZ-T

    Datasheet

    ISL6567CRZ-T - 24-VFQFN Exposed Pad Tape & Reel (TR) Last Time Buy Transistor Driver Step-Down Positive Buck 2 2 4.9V ~ 5.5V 200kHz ~ 2MHz 66% Yes No - Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-QFN (4x4)
    LM25117QPMHX/NOPB

    LM25117QPMHX/NOPB

    IC REG CTRLR BUCK 20TSSOP

    Texas Instruments

    2,680
    RFQ
    LM25117QPMHX/NOPB

    Datasheet

    LM25117QPMHX/NOPB - 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 42V Up to 750kHz - Yes No - Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 20-HTSSOP
    ISL68201IRZ-TK

    ISL68201IRZ-TK

    IC REG CTRLR BUCK PMBUS 24QFN

    Renesas Electronics Corporation

    1,689
    RFQ
    ISL68201IRZ-TK

    Datasheet

    ISL68201IRZ-TK Rapid Robust Ripple Regulator™ (R4) 24-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 1 1 4.5V ~ 24V 300kHz ~ 1.5MHz - No No I2C, PMBus, SMBus Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
    MAX5019CSA+T

    MAX5019CSA+T

    IC REG CTRLR FLYBACK 8SOIC

    Analog Devices Inc./Maxim Integrated

    1,245
    RFQ
    MAX5019CSA+T

    Datasheet

    MAX5019CSA+T - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 13V ~ 36V 275kHz 85% No No - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
    MAX5020CSA+T

    MAX5020CSA+T

    IC REG CTRLR FLYBACK 8SOIC

    Analog Devices Inc./Maxim Integrated

    2,001
    RFQ
    MAX5020CSA+T

    Datasheet

    MAX5020CSA+T - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 13V ~ 36V 275kHz 50% No No - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
    MAX5020ESA+T

    MAX5020ESA+T

    IC REG CTRLR FLYBACK 8SOIC

    Analog Devices Inc./Maxim Integrated

    1,350
    RFQ
    MAX5020ESA+T

    Datasheet

    MAX5020ESA+T - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 13V ~ 36V 275kHz 50% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
    LM3743MM-300

    LM3743MM-300

    IC REG CTRLR BUCK 10MSOP

    Texas Instruments

    1,585
    RFQ
    LM3743MM-300

    Datasheet

    LM3743MM-300 - 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 300kHz 91% Yes No - Current Limit, Enable, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 10-VSSOP
    LM5030SD

    LM5030SD

    IC REG CTRLR MULT TOPOLOGY 10SON

    Texas Instruments

    2,798
    RFQ
    LM5030SD

    Datasheet

    LM5030SD - 10-WDFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge, Half-Bridge, Push-Pull 2 1 14V ~ 90V 200kHz, 600kHz 50% No No - Frequency Control, Soft Start -40°C ~ 105°C (TA) - - Surface Mount 10-WSON (4x4)
    UC2846NG4

    UC2846NG4

    IC REG CTRLR MULT TOPOLOGY 16DIP

    Texas Instruments

    2,393
    RFQ
    UC2846NG4

    Datasheet

    UC2846NG4 - 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 6.95V ~ 40V 500kHz 50% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
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