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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
    LTC7803EUD#PBF

    LTC7803EUD#PBF

    LOW IQ SYNCHRONOUS BUCK CONTROLL

    Analog Devices Inc.

    89
    RFQ
    LTC7803EUD#PBF

    Datasheet

    - 16-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 40V 100kHz ~ 3MHz 100% Yes Yes - Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
    LTC3775EUD#PBF

    LTC3775EUD#PBF

    IC REG CTRLR BUCK 16QFN

    Analog Devices Inc.

    81
    RFQ
    LTC3775EUD#PBF

    Datasheet

    PolyPhase® 16-WFQFN Exposed Pad Tube 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 ~ 85°C (TA) - - Surface Mount 16-QFN (3x3)
    LM34936RHFT

    LM34936RHFT

    30-V WIDE VIN SYNCHRONOUS 4-SWIT

    Texas Instruments

    1,229
    RFQ
    LM34936RHFT

    Datasheet

    - 28-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4.2V ~ 30V 100kHz ~ 600kHz 100% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-VQFN (5x4)
    LT8711EFE#PBF

    LT8711EFE#PBF

    IC REG CTRLR SYNC 20-TSSOP

    Analog Devices Inc.

    2,595
    RFQ
    LT8711EFE#PBF

    Datasheet

    - 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active PWM Step-Up, Step-Down Positive Buck, Boost, Buck-Boost, SEPIC 1 - 4.5V ~ 42V 100kHz ~ 750kHz 100% No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
    LTC3833EUDC#PBF

    LTC3833EUDC#PBF

    IC REG CTRLR BUCK 20QFN

    Analog Devices Inc.

    2,018
    RFQ
    LTC3833EUDC#PBF

    Datasheet

    - 20-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (3x4)
    UC2525BDW

    UC2525BDW

    IC REG CTRLR MULT TOP 16SOIC

    Texas Instruments

    229
    RFQ
    UC2525BDW

    Datasheet

    - 16-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 35V 100Hz ~ 400kHz 49% Yes Yes - Dead Time Control, Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
    MAX5019ESA+

    MAX5019ESA+

    IC REG CTRLR FLYBACK 8SOIC

    Analog Devices Inc./Maxim Integrated

    196
    RFQ
    MAX5019ESA+

    Datasheet

    - 8-SOIC (0.154", 3.90mm Width) Tube Not For New Designs Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 13V ~ 36V 275kHz 85% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
    LTC3854IMSE#PBF

    LTC3854IMSE#PBF

    IC REG CTRLR BUCK 12MSOP

    Analog Devices Inc.

    39
    RFQ
    LTC3854IMSE#PBF

    Datasheet

    - 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 400kHz 98% Yes No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 12-MSOP-EP
    LM25141QRGETQ1

    LM25141QRGETQ1

    LOW VOLTAGE LM5141- SYNC BUCK CO

    Texas Instruments

    1,943
    RFQ
    LM25141QRGETQ1

    Datasheet

    - 24-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Half-Bridge 1 1 3.8V ~ 42V 2.2MHz 50% Yes Yes - Current Limit, Enable, Frequency Control -40°C ~ 125°C (TA) Automotive AEC-Q101 Surface Mount 24-VQFN (4x4)
    LTC1872ES6#TRPBF

    LTC1872ES6#TRPBF

    IC REG CTRLR BOOST/SEPIC SOT23-6

    Analog Devices Inc.

    2,787
    RFQ
    LTC1872ES6#TRPBF

    Datasheet

    - SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 1 1 2.5V ~ 9.8V 550kHz - No No - Enable -40°C ~ 85°C (TA) - - Surface Mount TSOT-23-6
    LTC1872ES6#TRMPBF

    LTC1872ES6#TRMPBF

    IC REG CTRLR BOOST/SEPIC SOT23-6

    Analog Devices Inc.

    1,315
    RFQ
    LTC1872ES6#TRMPBF

    Datasheet

    - SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 1 1 2.5V ~ 9.8V 550kHz - No No - Enable -40°C ~ 85°C (TA) - - Surface Mount TSOT-23-6
    UCD9222RGZR

    UCD9222RGZR

    IC REG CTRLR BUCK PMBUS 48VQFN

    Texas Instruments

    1,194
    RFQ
    UCD9222RGZR

    Datasheet

    - 48-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 3.6V 15.26kHz ~ 2MHz 100% No Yes I2C, PMBus, SMBus Enable, Power Good, Reset, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 48-VQFN (7x7)
    LTC3878IGN#PBF

    LTC3878IGN#PBF

    IC REG CTRLR BUCK 16SSOP

    Analog Devices Inc.

    399
    RFQ
    LTC3878IGN#PBF

    Datasheet

    - 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 38V - - Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
    LTC3851AIUD-1#PBF

    LTC3851AIUD-1#PBF

    IC REG CTRLR BUCK 16QFN

    Analog Devices Inc.

    135
    RFQ
    LTC3851AIUD-1#PBF

    Datasheet

    - 16-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
    LTC3851IUD#PBF

    LTC3851IUD#PBF

    IC REG CTRLR BUCK 16QFN

    Analog Devices Inc.

    104
    RFQ
    LTC3851IUD#PBF

    Datasheet

    - 16-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 250kHz ~ 750kHz 99% Yes No - Current Limit, Enable, Frequency Control, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
    LT3740EDHC#PBF

    LT3740EDHC#PBF

    IC REG CTRLR BUCK 16-DFN

    Analog Devices Inc.

    182
    RFQ
    LT3740EDHC#PBF

    Datasheet

    - 16-WFDFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.2V ~ 22V 300kHz - Yes No - Current Limit, Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-DFN (5x3)
    LTC3852EUDD#PBF

    LTC3852EUDD#PBF

    IC REG CTRLR BUCK 24QFN

    Analog Devices Inc.

    0
    RFQ
    LTC3852EUDD#PBF

    Datasheet

    - 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (3x5)
    MAX608EPA+

    MAX608EPA+

    IC REG CTRLR BOOST 8DIP

    Analog Devices Inc./Maxim Integrated

    135
    RFQ
    MAX608EPA+

    Datasheet

    - 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up Positive Boost 1 1 1.8V ~ 16.5V Up to 300kHz - No No - Enable -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
    TPS5120DBTR

    TPS5120DBTR

    IC REG CTRLR BUCK 30TSSOP

    Texas Instruments

    1,981
    RFQ
    TPS5120DBTR

    Datasheet

    - 30-TFSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 300kHz 83% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 30-TSSOP
    LTC7803IMSE#PBF

    LTC7803IMSE#PBF

    LOW IQ SYNCHRONOUS BUCK CONTROLL

    Analog Devices Inc.

    47
    RFQ
    LTC7803IMSE#PBF

    Datasheet

    - 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 40V 100kHz ~ 3MHz 100% Yes Yes - Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 16-MSOP-EP
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