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    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
    LM1771SSD

    LM1771SSD

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    114,000
    RFQ
    LM1771SSD

    Datasheet

    - 6-WDFN Exposed Pad Bulk Active Transistor Driver Step-Down Buck 1 1 - 2.8V ~ 5.5V 100kHz ~ 1MHz Positive - Yes - No Surface Mount -40°C ~ 125°C (TJ) - Enable 6-WSON (3x3)
    LM2748MTCX

    LM2748MTCX

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    2,240
    RFQ
    LM2748MTCX

    Datasheet

    - 14-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Buck 1 1 - 3V ~ 6V 50kHz ~ 1MHz Positive 86% Yes - Yes Surface Mount -40°C ~ 125°C (TJ) - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking 14-TSSOP
    LM3475MF

    LM3475MF

    1A, 2000KHZ PDSO5

    National Semiconductor

    5,400
    RFQ
    LM3475MF

    Datasheet

    - SC-74A, SOT-753 Bulk Active Transistor Driver Step-Down Buck 1 1 - 2.7V ~ 10V - Positive 100% No - No Surface Mount -40°C ~ 125°C (TJ) - Enable SOT-23-5
    LM3488MMX-NS

    LM3488MMX-NS

    1A, 1000KHZ PDSO8

    National Semiconductor

    3,500
    RFQ
    LM3488MMX-NS

    Datasheet

    - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback, SEPIC 1 1 - 2.97V ~ 40V 100kHz ~ 1MHz Positive 1 No - Yes Surface Mount -40°C ~ 125°C (TJ) - Enable, Frequency Control 8-VSSOP
    LM2743MTCX

    LM2743MTCX

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    2,500
    RFQ
    LM2743MTCX

    Datasheet

    - 14-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Buck 1 1 - 3V ~ 6V 50kHz ~ 1MHz Positive 80% Yes - No Surface Mount -40°C ~ 125°C (TJ) - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking 14-TSSOP
    LM2737MTCX/J5000383

    LM2737MTCX/J5000383

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    22,500
    RFQ
    LM2737MTCX/J5000383

    Datasheet

    - - Bulk Active Transistor Driver Step-Down Buck 1 1 - 4.5V ~ 5.5V 50kHz ~ 2MHz Positive 90% Yes - No Surface Mount -40°C ~ 125°C (TJ) - Current Limit, Enable, Frequency Control, Power Good, Soft Start -
    LM5033SD

    LM5033SD

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    406
    RFQ
    LM5033SD

    Datasheet

    - 10-WDFN Exposed Pad Bulk Active PWM Signal Step-Up/Step-Down Full-Bridge, Half-Bridge, Push-Pull 2 1 - 15V ~ 90V 200kHz, 600kHz Positive - Yes - Yes Surface Mount -40°C ~ 125°C (TJ) - Frequency Control, Soft Start 10-WSON (4x4)
    LM3477MM

    LM3477MM

    1A, 575KHZ PDSO8

    National Semiconductor

    500
    RFQ
    LM3477MM

    Datasheet

    - 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Active Transistor Driver Step-Down Buck, Buck-Boost 1 1 - 2.97V ~ 35V 500kHz Positive 93% No - No Surface Mount -40°C ~ 125°C (TJ) - Enable 8-VSSOP
    LM2737MTCX

    LM2737MTCX

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    47,500
    RFQ
    LM2737MTCX

    Datasheet

    - 14-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Buck 1 1 - 4.5V ~ 5.5V 50kHz ~ 2MHz Positive 90% Yes - No Surface Mount -40°C ~ 125°C (TJ) - Current Limit, Enable, Frequency Control, Power Good, Soft Start 14-TSSOP
    LM2737MTC

    LM2737MTC

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    1,130
    RFQ
    LM2737MTC

    Datasheet

    - 14-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Buck 1 1 - 4.5V ~ 5.5V 50kHz ~ 2MHz Positive 90% Yes - No Surface Mount -40°C ~ 125°C (TJ) - Current Limit, Enable, Frequency Control, Power Good, Soft Start 14-TSSOP
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