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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 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
    UC3827N-2

    UC3827N-2

    IC REG CTRLR MULT TOPOLOGY 24DIP

    Texas Instruments

    2,360
    RFQ
    UC3827N-2

    Datasheet

    - 24-DIP (0.600", 15.24mm) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Full-Bridge, Push-Pull 3 1 7.6V ~ 20V 220kHz 91% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Through Hole 24-PDIP
    UC3827N-1

    UC3827N-1

    IC REG CTRLR MULT TOPOLOGY 24DIP

    Texas Instruments

    2,955
    RFQ
    UC3827N-1

    Datasheet

    - 24-DIP (0.600", 15.24mm) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Full-Bridge, Push-Pull 3 1 7.6V ~ 20V 220kHz 91% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Through Hole 24-PDIP
    MAX1716EEG+

    MAX1716EEG+

    IC REG CTRLR BUCK 24QSOP

    Analog Devices Inc./Maxim Integrated

    1,713
    RFQ
    MAX1716EEG+

    Datasheet

    - 24-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2V ~ 28V 200kHz, 300kHz, 400kHz, 550kHz 100% Yes No - Current Limit, Enable, On Time Control -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
    UC2842AD

    UC2842AD

    IC REG CTRLR PWM CM 14-SOIC

    Microchip Technology

    3,847
    RFQ
    UC2842AD

    Datasheet

    - 14-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
    UC2842ADM

    UC2842ADM

    IC REG CTRLR BST FLYBK ISO 8SOIC

    Microchip Technology

    2,299
    RFQ
    UC2842ADM

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Bulk Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
    ISL6526AIRZ

    ISL6526AIRZ

    IC REG CTRLR BUCK 16QFN

    Renesas Electronics Corporation

    1,175
    RFQ
    ISL6526AIRZ

    Datasheet

    - 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
    LTC1735CGN#TRPBF

    LTC1735CGN#TRPBF

    IC REG CTRLR BUCK 16SSOP

    Analog Devices Inc.

    2,692
    RFQ
    LTC1735CGN#TRPBF

    Datasheet

    - 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SSOP
    LTC3736EUF-2#TRPBF

    LTC3736EUF-2#TRPBF

    IC REG CTRLR BUCK 24QFN

    Analog Devices Inc.

    2,597
    RFQ
    LTC3736EUF-2#TRPBF

    Datasheet

    - 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes Yes - Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
    LTC3853IUJ#TRPBF

    LTC3853IUJ#TRPBF

    IC REG CTRLR BUCK 40QFN

    Analog Devices Inc.

    2,909
    RFQ
    LTC3853IUJ#TRPBF

    Datasheet

    - 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 24V 250kHz ~ 750kHz 98% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
    MAX1639ESE

    MAX1639ESE

    IC REG CTRLR BUCK 16SOIC

    Analog Devices Inc./Maxim Integrated

    4,753
    RFQ
    MAX1639ESE

    Datasheet

    - 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz ~ 1MHz 90% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
    UPC1099CX(22)-A

    UPC1099CX(22)-A

    SWITCHING CONTROLLER

    Renesas Electronics Corporation

    1,009
    RFQ

    -

    * - Bulk Active - - - - - - - - - - - - - - - - - -
    LTC3773EUHF#TRPBF

    LTC3773EUHF#TRPBF

    IC REG CTRLR BUCK 38QFN

    Analog Devices Inc.

    4,036
    RFQ
    LTC3773EUHF#TRPBF

    Datasheet

    - 38-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 3.3V ~ 36V 220kHz ~ 560kHz 98.5% Yes No - Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 38-QFN (5x7)
    LTC3770EUH#TRPBF

    LTC3770EUH#TRPBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    3,924
    RFQ
    LTC3770EUH#TRPBF

    Datasheet

    - 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 32V - 90% Yes No - Current Limit, Enable, On Time Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
    ISL6522CRZ-TK

    ISL6522CRZ-TK

    IC REG CTRLR BUCK 16QFN

    Renesas Electronics Corporation

    4,345
    RFQ
    ISL6522CRZ-TK

    Datasheet

    - 16-VQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-QFN (5x5)
    ISL6522CRZ

    ISL6522CRZ

    IC REG CTRLR BUCK 16QFN

    Renesas Electronics Corporation

    591
    RFQ
    ISL6522CRZ

    Datasheet

    - 16-VQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-QFN (5x5)
    MAX8653ETI+

    MAX8653ETI+

    IC REG CTRLR BUCK 28TQFN

    Analog Devices Inc./Maxim Integrated

    2,510
    RFQ
    MAX8653ETI+

    Datasheet

    - 28-WFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 9V ~ 14V 300kHz ~ 1.5MHz - No Yes - Current Limit, Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-TQFN (5x5)
    ISL6552CB

    ISL6552CB

    SWITCHING CONTROLLER

    Intersil

    2,194
    RFQ
    ISL6552CB

    Datasheet

    - 20-SOIC (0.295", 7.50mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 50kHz ~ 1.5MHz - - No - Enable, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
    TL1454ACNSR

    TL1454ACNSR

    IC REG CTRLR BUCK/BST/FLYBK 16SO

    Texas Instruments

    4,780
    RFQ
    TL1454ACNSR

    Datasheet

    - 16-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback 2 1 3.6V ~ 20V 50kHz ~ 2MHz 100% Yes No - Dead Time Control, Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SO
    ISL6551AR-T

    ISL6551AR-T

    DUAL SWITCHING CONTROLLER

    Intersil

    1,620
    RFQ
    ISL6551AR-T

    Datasheet

    - 28-VQFN Exposed Pad Bulk Active Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Push-Pull 2 1 10.8V ~ 13.2V Up to 1MHz 50% Yes Yes - Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync -40°C ~ 105°C (TA) - - Surface Mount 28-QFN (6x6)
    UC3578DP

    UC3578DP

    SWITCHING CONTROLLER, VOLTAGE-MO

    Unitrode

    1,040
    RFQ
    UC3578DP

    Datasheet

    - 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 14V ~ 72V 110kHz 90% No No - Current Limit, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
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