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
    UC3573D

    UC3573D

    IC REG CTRLR BUCK 8SOIC

    Texas Instruments

    1,541
    RFQ
    UC3573D

    Datasheet

    UC3573D - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 30V 100kHz 92% No No - Current Limit, Ramp 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
    LM25143RHAR

    LM25143RHAR

    3.5-V TO 42-V LOW-IQ, DUAL OUTPU

    Texas Instruments

    2,028
    RFQ
    LM25143RHAR

    Datasheet

    LM25143RHAR - 40-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 42V 100kHz ~ 2.2MHz 100% Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 40-VQFN (6x6)
    LM27402SQ/NOPB

    LM27402SQ/NOPB

    IC REG CTRLR BUCK 16WQFN

    Texas Instruments

    1,212
    RFQ
    LM27402SQ/NOPB

    Datasheet

    LM27402SQ/NOPB - 16-WQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 20V 200kHz ~ 1.2MHz 95% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 16-WQFN (4x4)
    TPS40322RHBR

    TPS40322RHBR

    IC REG CTRLR BUCK 32QFN

    Texas Instruments

    1,975
    RFQ
    TPS40322RHBR

    Datasheet

    TPS40322RHBR - 32-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 20V 100kHz ~ 1MHz - Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 32-VQFN (5x5)
    UC2573D

    UC2573D

    IC REG CTRLR BUCK 8SOIC

    Texas Instruments

    2,464
    RFQ
    UC2573D

    Datasheet

    UC2573D - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 30V 100kHz 92% No No - Current Limit, Ramp -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
    UC3526DW

    UC3526DW

    IC REG CTRLR MULT TOP 18SOIC

    Texas Instruments

    1,475
    RFQ
    UC3526DW

    Datasheet

    UC3526DW - 18-SOIC (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 35V 1Hz ~ 400kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 18-SOIC
    TPS40077PWP

    TPS40077PWP

    IC REG CTRLR BUCK 16HTSSOP

    Texas Instruments

    2,743
    RFQ
    TPS40077PWP

    Datasheet

    TPS40077PWP - 16-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 28V Up to 1MHz 93% Yes No - Current Limit, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
    TPS51120RHBR

    TPS51120RHBR

    IC REG CTRLR BUCK 32QFN

    Texas Instruments

    2,407
    RFQ
    TPS51120RHBR

    Datasheet

    TPS51120RHBR D-CAP™ 32-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 4.5V ~ 28V - - Yes No - Enable, On Time Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 32-VQFN (5x5)
    LM25141QRGERQ1

    LM25141QRGERQ1

    AUTOMOTIVE, 2.2MHZ, LOW IQ SYNCH

    Texas Instruments

    2,149
    RFQ
    LM25141QRGERQ1

    Datasheet

    LM25141QRGERQ1 - 24-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Half-Bridge 1 1 3.8V ~ 42V 2.2MHz 50% Yes Yes - Current Limit, Enable, Frequency Control -40°C ~ 125°C (TA) Automotive AEC-Q101 Surface Mount 24-VQFN (4x4)
    LM25117PMH/NOPB

    LM25117PMH/NOPB

    IC REG CTRLR BUCK 20TSSOP

    Texas Instruments

    2,784
    RFQ
    LM25117PMH/NOPB

    Datasheet

    LM25117PMH/NOPB - 20-PowerTSSOP (0.173", 4.40mm Width) Tube 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) - - Surface Mount 20-HTSSOP
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