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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
    LTC3727LXEUH-1#PBF

    LTC3727LXEUH-1#PBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    0
    RFQ
    LTC3727LXEUH-1#PBF

    Datasheet

    - 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 28V 255kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
    MAX20034ATIR/VY+T

    MAX20034ATIR/VY+T

    36V DUAL HV CONTROLLER WITH LOW

    Analog Devices Inc./Maxim Integrated

    2,500
    RFQ
    MAX20034ATIR/VY+T

    Datasheet

    - 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 36V 220kHz ~ 2.2MHz 99% Yes Yes - Current Limit, Enable -40°C ~ 125°C Automotive AEC-Q100 Surface Mount, Wettable Flank 28-TQFN (5x5)
    LTC1435CG#PBF

    LTC1435CG#PBF

    IC REG CTRLR BUCK 16SSOP

    Analog Devices Inc.

    0
    RFQ
    LTC1435CG#PBF

    Datasheet

    - 16-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SSOP
    LT3782AIUFD#PBF

    LT3782AIUFD#PBF

    IC REG CTRLR BOOST 28QFN

    Analog Devices Inc.

    0
    RFQ
    LT3782AIUFD#PBF

    Datasheet

    - 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 6V ~ 40V 154kHz ~ 465kHz 94% Yes Yes - Enable, Frequency Control, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
    RT8848AGQW

    RT8848AGQW

    IC PWM CTRLR BUCK WQFN-40

    Richtek USA Inc.

    1,485
    RFQ
    RT8848AGQW

    Datasheet

    - 40-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 1 8 2.8V ~ 24V 300kHz - Yes No I2C Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start -10°C ~ 105°C - - Surface Mount 40-WQFN (5x5)
    ISL81401AFRZ

    ISL81401AFRZ

    40V 4-SW SYNCH BUCK-BOOST PWM

    Renesas Electronics Corporation

    928
    RFQ
    ISL81401AFRZ

    Datasheet

    - 32-VFQFN Exposed Pad Tube Active PWM Signal Step-Up/Step-Down Positive Buck-Boost 1 2 4.5V ~ 40V 90kHz ~ 650kHz - Yes Yes - Current Limit, Enable, Power Good -40°C ~ 125°C (TA) - - Surface Mount 32-QFN (5x5)
    LTC3775IUD#TRPBF

    LTC3775IUD#TRPBF

    IC REG CTRLR BUCK 16QFN

    Analog Devices Inc.

    2,500
    RFQ
    LTC3775IUD#TRPBF

    Datasheet

    PolyPhase® 16-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 250kHz ~ 1MHz 90% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
    MAX1541ETL+

    MAX1541ETL+

    IC REG CTRLR BUCK 40TQFN

    Analog Devices Inc./Maxim Integrated

    0
    RFQ

    -

    - 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 1 2V ~ 28V 170kHz ~ 620kHz 100% Yes No - Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation -40°C ~ 85°C (TA) - - Surface Mount 40-TQFN (6x6)
    LTC3728LIGN-1#PBF

    LTC3728LIGN-1#PBF

    IC REG CTRLR BUCK 28SSOP

    Analog Devices Inc.

    0
    RFQ
    LTC3728LIGN-1#PBF

    Datasheet

    - 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 35V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
    LTC3860IUH#PBF

    LTC3860IUH#PBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    73
    RFQ
    LTC3860IUH#PBF

    Datasheet

    PolyPhase® 32-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 1.25MHz 91.5% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    TPS40428RHAR

    TPS40428RHAR

    IC REG CTRLR BUCK PMBUS 40VQFN

    Texas Instruments

    2,445
    RFQ
    TPS40428RHAR

    Datasheet

    - 40-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 20V 200kHz ~ 1.5MHz - No Yes PMBus Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 40-VQFN (6x6)
    UC3827DW-1

    UC3827DW-1

    IC REG CTRLR MULT TOP 24SOIC

    Texas Instruments

    4,673
    RFQ
    UC3827DW-1

    Datasheet

    - 24-SOIC (0.295", 7.50mm Width) Bulk Active 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) - - Surface Mount 24-SOIC
    MAX25206ATPB/VY+

    MAX25206ATPB/VY+

    HV 80V BUCK CONTROLLER

    Analog Devices Inc./Maxim Integrated

    285
    RFQ
    MAX25206ATPB/VY+

    Datasheet

    - 20-WFQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 60V 220kHz ~ 2.2MHz 97% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TA) - - Surface Mount, Wettable Flank 20-SWTQFN (4x4)
    LT3782EUFD#PBF

    LT3782EUFD#PBF

    IC REG CTRLR BOOST 28QFN

    Analog Devices Inc.

    0
    RFQ
    LT3782EUFD#PBF

    Datasheet

    - 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 6V ~ 40V 154kHz ~ 465kHz 94% Yes Yes - Enable, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
    MAX17557ATP+T

    MAX17557ATP+T

    4.5V TO 60V, EXTERNAL FET CONTRO

    Analog Devices Inc./Maxim Integrated

    2,083
    RFQ
    MAX17557ATP+T

    Datasheet

    - 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 60V 100kHz ~ 2.2MHz - Yes No - Enable -40°C ~ 125°C - - Surface Mount 20-TQFN (4x4)
    LT8316IF#PBF

    LT8316IF#PBF

    560VIN MICROPOWER, ISOLATED NO-O

    Analog Devices Inc.

    0
    RFQ
    LT8316IF#PBF

    Datasheet

    - 20-TSSOP (0.173", 4.40mm Width), 15 Leads Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback 1 1 16V ~ 560V 3.5kHz ~ 140kHz - Yes No - Current Limit, Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP
    LTC3728LIUH#PBF

    LTC3728LIUH#PBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    0
    RFQ
    LTC3728LIUH#PBF

    Datasheet

    - 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
    MAX16933ATIR/V+

    MAX16933ATIR/V+

    1MHZ, 36V, DUAL BUCK WITH 20UA Q

    Analog Devices Inc./Maxim Integrated

    0
    RFQ
    MAX16933ATIR/V+

    Datasheet

    - 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 42V 200kHz ~ 1MHz 98.5% Yes Yes - Enable, Frequency Control, Power Good -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 28-TQFN (5x5)
    LTC3872HTS8#TRMPBF

    LTC3872HTS8#TRMPBF

    IC REG CTRLR BOOST TSOT23-8

    Analog Devices Inc.

    492
    RFQ
    LTC3872HTS8#TRMPBF

    Datasheet

    - SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 1 1 2.75V ~ 9.8V 550kHz - No No - Current Limit, Enable, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount TSOT-23-8
    MAX772CSA+

    MAX772CSA+

    IC REG CTRLR BOOST 8SOIC

    Analog Devices Inc./Maxim Integrated

    198
    RFQ
    MAX772CSA+

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Tube Not For New Designs Transistor Driver Step-Up Positive Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
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