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    DC DC Switching Controllers

    制造商 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 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
    LM2727MTC

    LM2727MTC

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    737
    RFQ
    LM2727MTC

    Datasheet

    - 14-TSSOP (0.173", 4.40mm Width) Bulk Active 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
    LM5025BSD

    LM5025BSD

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    2,000
    RFQ
    LM5025BSD

    Datasheet

    - 16-WFDFN Exposed Pad Bulk Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 2 1 8V ~ 15V 200kHz ~ 400kHz 71%, 73% No Yes - Dead Time Control, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-WSON (5x5)
    LM2746MXA/NOPB

    LM2746MXA/NOPB

    SWITCHING REGULATOR/CONTROLLER

    National Semiconductor

    232
    RFQ
    LM2746MXA/NOPB

    Datasheet

    - 14-PowerTSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 50kHz ~ 1MHz 80% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 14-HTSSOP
    LM2630MTCX-ADJ

    LM2630MTCX-ADJ

    SWITCHING CONTROLLER

    National Semiconductor

    13,540
    RFQ
    LM2630MTCX-ADJ

    Datasheet

    - 20-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 1 4.5V ~ 30V 200kHz ~ 400kHz 96% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP
    LM5034MTCX/NOPB

    LM5034MTCX/NOPB

    LM5034 HIGH VOLTAGE DUAL INTERLE

    National Semiconductor

    1,438
    RFQ
    LM5034MTCX/NOPB

    Datasheet

    - 20-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 2 2 13V ~ 100V 200kHz, 600kHz 76% Yes Yes - Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP
    LM3000ASQ/NOPB

    LM3000ASQ/NOPB

    SWITCHING REGULATOR/CONTROLLER

    National Semiconductor

    5,892
    RFQ
    LM3000ASQ/NOPB

    Datasheet

    - 32-WFQFN Exposed Pad Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 2 3.3V ~ 5.5V 200kHz ~ 1.5MHz 85% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-WQFN (5x5)
    LM5035ASQ/NOPB

    LM5035ASQ/NOPB

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    13,027
    RFQ
    LM5035ASQ/NOPB

    Datasheet

    - 24-WFQFN Exposed Pad Bulk Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Half-Bridge 1 1 13V ~ 105V 200kHz, 500kHz - Yes Yes - Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 24-WQFN (4x5)
    LM2743MTC-NS

    LM2743MTC-NS

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    18,158
    RFQ
    LM2743MTC-NS

    Datasheet

    - 14-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 6V 50kHz ~ 1MHz 80% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
    LM27213SQ

    LM27213SQ

    SWITCHING CONTROLLER, CURRENT-MO

    National Semiconductor

    250
    RFQ
    LM27213SQ

    Datasheet

    - 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)
    LM5035AMH-1/NOPB

    LM5035AMH-1/NOPB

    SWITCHING CONTROLLER, VOLTAGE-MO

    National Semiconductor

    284
    RFQ
    LM5035AMH-1/NOPB

    Datasheet

    - 28-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Half-Bridge 1 1 13V ~ 105V 200kHz, 500kHz - Yes Yes - Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-HTSSOP
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