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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
    TL494CDG4

    TL494CDG4

    IC REG CTRLR MULT TOP 16SOIC

    Texas Instruments

    2,989
    RFQ
    TL494CDG4

    Datasheet

    - 16-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 - 7V ~ 40V 1kHz ~ 300kHz Positive 45% No - No Surface Mount 0°C ~ 70°C (TA) - Dead Time Control, Frequency Control 16-SOIC
    TL494IDG4

    TL494IDG4

    IC REG CTRLR MULT TOP 16SOIC

    Texas Instruments

    4,634
    RFQ
    TL494IDG4

    Datasheet

    - 16-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 - 7V ~ 40V 1kHz ~ 300kHz Positive 45% No - No Surface Mount -40°C ~ 85°C (TA) - Dead Time Control, Frequency Control 16-SOIC
    TL494CPWG4

    TL494CPWG4

    IC REG CTRLR MULT TOP 16TSSOP

    Texas Instruments

    3,199
    RFQ
    TL494CPWG4

    Datasheet

    - 16-TSSOP (0.173", 4.40mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 - 7V ~ 40V 1kHz ~ 300kHz Positive 45% No - No Surface Mount 0°C ~ 70°C (TA) - Dead Time Control, Frequency Control 16-TSSOP
    SG2524DRE4

    SG2524DRE4

    IC REG CTRLR MULT TOP 16SOIC

    Texas Instruments

    3,096
    RFQ
    SG2524DRE4

    Datasheet

    - 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 - 8V ~ 40V 450kHz Positive, Isolation Capable 45% No - No Surface Mount -25°C ~ 85°C (TA) - Current Limit, Frequency Control 16-SOIC
    SG2524DRG4

    SG2524DRG4

    IC REG CTRLR MULT TOP 16SOIC

    Texas Instruments

    3,885
    RFQ
    SG2524DRG4

    Datasheet

    - 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 - 8V ~ 40V 450kHz Positive, Isolation Capable 45% No - No Surface Mount -25°C ~ 85°C (TA) - Current Limit, Frequency Control 16-SOIC
    KA3524

    KA3524

    IC REG CTRLR MULT TOPOLOGY 16DIP

    onsemi

    2,136
    RFQ
    KA3524

    Datasheet

    - 16-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Buck, Flyback, Push-Pull 1 1 - 8V ~ 40V 350kHz Positive, Isolation Capable 45% No - No Through Hole 0°C ~ 70°C (TA) - Enable 16-PDIP
    TL2844BPG4

    TL2844BPG4

    IC REG CTRLR BST FLYBK PWM 8-DIP

    Texas Instruments

    3,026
    RFQ
    TL2844BPG4

    Datasheet

    - 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback, Forward 1 1 - 10V ~ 30V Up to 500kHz Positive 48% No - No Through Hole -40°C ~ 85°C (TA) - Frequency Control 8-PDIP
    UC3843BDR2

    UC3843BDR2

    IC REG CTRLR FLYBACK 14SOIC

    onsemi

    3,721
    RFQ
    UC3843BDR2

    Datasheet

    - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback 1 1 - 7.6V ~ 30V Up to 500kHz Positive, Isolation Capable 96% No - No Surface Mount 0°C ~ 70°C (TA) - Frequency Control 14-SOIC
    UC3844BDR2

    UC3844BDR2

    IC REG CTRLR PWM CM 14-SOIC

    onsemi

    4,526
    RFQ
    UC3844BDR2

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback 1 1 - 10V ~ 36V Up to 500kHz Positive, Isolation Capable 48% No - No Surface Mount 0°C ~ 70°C (TA) - Frequency Control 8-SOIC
    UC3845BD1R2

    UC3845BD1R2

    IC REG CTRLR BOOST/FLYBACK 8SOIC

    onsemi

    3,466
    RFQ
    UC3845BD1R2

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback 1 1 - 7.6V ~ 30V Up to 500kHz Positive, Isolation Capable 48% No - No Surface Mount 0°C ~ 70°C (TA) - Frequency Control 8-SOIC
    UC3845BDR2

    UC3845BDR2

    IC REG CTRLR BOOST/FLYBK 14SOIC

    onsemi

    4,752
    RFQ
    UC3845BDR2

    Datasheet

    - 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback 1 1 - 7.6V ~ 30V Up to 500kHz Positive, Isolation Capable 48% No - No Surface Mount 0°C ~ 70°C (TA) - Frequency Control 14-SOIC
    NCP81039MNTWG

    NCP81039MNTWG

    IC REG CTRLR BUCK 20QFN

    onsemi

    2,363
    RFQ
    NCP81039MNTWG

    Datasheet

    - 20-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Buck 1 1 - 3.3V ~ 28V 300kHz, 400kHz, 600kHz Positive - Yes - No Surface Mount -40°C ~ 100°C (TA) - Enable, Frequency Control, Power Good 20-QFN (3x3)
    SG3524NG4

    SG3524NG4

    IC REG CTRLR MULT TOPOLOGY 16DIP

    Texas Instruments

    4,560
    RFQ
    SG3524NG4

    Datasheet

    - 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 - 8V ~ 40V 450kHz Positive, Isolation Capable 45% No - No Through Hole 0°C ~ 70°C (TA) - Current Limit, Frequency Control 16-PDIP
    RT8805GQV

    RT8805GQV

    IC REG CTRLR BUCK 16VQFN

    Richtek USA Inc.

    4,709
    RFQ
    RT8805GQV

    Datasheet

    - 16-VQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Buck 2 2 - 10.8V ~ 13.2V 300kHz Positive 75% Yes - No Surface Mount -40°C ~ 85°C (TA) - Current Limit, Phase Control, Power Good, Soft Start 16-VQFN (4x4)
    UC3845NG

    UC3845NG

    IC REG CTRLR BOOST/FLYBACK 8DIP

    onsemi

    4,863
    RFQ
    UC3845NG

    Datasheet

    - 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback 1 1 - 7.6V ~ 30V Up to 500kHz Positive, Isolation Capable 48% No - No Through Hole 0°C ~ 70°C (TA) - Frequency Control 8-PDIP
    UC3844NG

    UC3844NG

    IC REG CTRLR PWM CM 8-DIP

    onsemi

    2,188
    RFQ
    UC3844NG

    Datasheet

    - 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback 1 1 - 10V ~ 30V Up to 500kHz Positive, Isolation Capable 48% No - No Through Hole 0°C ~ 70°C (TA) - Frequency Control 8-PDIP
    TL2844PE4

    TL2844PE4

    ECONOMY SINGLE ENDED 500KHZ CURR

    Texas Instruments

    3,355
    RFQ
    TL2844PE4

    Datasheet

    - 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Boost, Flyback, Forward 1 1 - 10V ~ 30V 100kHz Positive 50% No - No Through Hole -40°C ~ 85°C - Frequency Control 8-PDIP
    TL494BDR2

    TL494BDR2

    IC REG CTRLR BCK/PSH-PULL 16SOIC

    onsemi

    2,210
    RFQ
    TL494BDR2

    Datasheet

    SWITCHMODE™ 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Buck, Push-Pull 2 1 - 7V ~ 40V 200kHz Positive 48% Yes - No Surface Mount -40°C ~ 125°C (TJ) - Dead Time Control, Frequency Control 16-SOIC
    XC9301A202MR-G

    XC9301A202MR-G

    STEP-UP & STEP-DOWN 180KHZ DCDC

    Torex Semiconductor Ltd

    4,988
    RFQ
    XC9301A202MR-G

    Datasheet

    XC9301 SC-74A, SOT-753 Tape & Reel (TR) Active PWM Step-Up/Step-Down Buck-Boost 1 1 - 2V ~ 10V 180kHz Positive 92% No - No Surface Mount -40°C ~ 85°C - Enable SOT-25-5
    XC9301A212MR-G

    XC9301A212MR-G

    STEP-UP & STEP-DOWN 180KHZ DCDC

    Torex Semiconductor Ltd

    4,305
    RFQ
    XC9301A212MR-G

    Datasheet

    XC9301 SC-74A, SOT-753 Tape & Reel (TR) Active PWM Step-Up/Step-Down Buck-Boost 1 1 - 2V ~ 10V 180kHz Positive 92% No - No Surface Mount -40°C ~ 85°C - Enable SOT-25-5
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