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    KATY Electronic Technology Co., LTD KATY Electronic Technology Co., LTD

    DC DC Switching Controllers

    制造商 Series Package/Case Packaging Part Status Output Type Function Topology Number of Outputs Output Phases Qualification Voltage - Supply (Vcc/Vdd) Frequency - Switching Output Configuration Duty Cycle (Max) Synchronous Rectifier Grade Clock Sync Mounting Style Operating Temperature Serial Interfaces Control Features Supplier Device Package





















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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    Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Part Status Output Type Function Topology Number of Outputs Output Phases Qualification Voltage - Supply (Vcc/Vdd) Frequency - Switching Output Configuration Duty Cycle (Max) Synchronous Rectifier Grade Clock Sync Mounting Style Operating Temperature Serial Interfaces Control Features Supplier Device Package
    UC3573D

    UC3573D

    IC REG CTRLR BUCK 8SOIC

    Texas Instruments

    290
    RFQ
    UC3573D

    Datasheet

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

    LM25143RHAR

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

    Texas Instruments

    4,763
    RFQ
    LM25143RHAR

    Datasheet

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

    LM27402SQ/NOPB

    IC REG CTRLR BUCK 16WQFN

    Texas Instruments

    2,681
    RFQ
    LM27402SQ/NOPB

    Datasheet

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

    TPS40322RHBR

    IC REG CTRLR BUCK 32QFN

    Texas Instruments

    8,808
    RFQ
    TPS40322RHBR

    Datasheet

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

    UC2573D

    IC REG CTRLR BUCK 8SOIC

    Texas Instruments

    371
    RFQ
    UC2573D

    Datasheet

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

    UC3526DW

    IC REG CTRLR MULT TOP 18SOIC

    Texas Instruments

    381
    RFQ
    UC3526DW

    Datasheet

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

    TPS40077PWP

    IC REG CTRLR BUCK 16HTSSOP

    Texas Instruments

    38
    RFQ
    TPS40077PWP

    Datasheet

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

    TPS51120RHBR

    IC REG CTRLR BUCK 32QFN

    Texas Instruments

    2,773
    RFQ
    TPS51120RHBR

    Datasheet

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

    LM25141QRGERQ1

    AUTOMOTIVE, 2.2MHZ, LOW IQ SYNCH

    Texas Instruments

    5,895
    RFQ
    LM25141QRGERQ1

    Datasheet

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

    LM25117PMH/NOPB

    IC REG CTRLR BUCK 20TSSOP

    Texas Instruments

    5,320
    RFQ
    LM25117PMH/NOPB

    Datasheet

    - 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Transistor Driver Step-Down Buck 1 1 - 4.5V ~ 42V Up to 750kHz Positive - Yes - No Surface Mount -40°C ~ 125°C (TJ) - Frequency Control, Ramp, Soft Start 20-HTSSOP
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