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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
    MAX1637EEE+T

    MAX1637EEE+T

    IC REG CTRLR BUCK 16QSOP

    Analog Devices Inc./Maxim Integrated

    0
    RFQ

    -

    - 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Last Time Buy Transistor Driver Step-Down Positive Buck 1 1 3.15V ~ 5.5V 200kHz ~ 300kHz 96% Yes Yes - Enable -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
    LTC1702ACGN#TRPBF

    LTC1702ACGN#TRPBF

    IC REG CTRLR BUCK 24SSOP

    Analog Devices Inc.

    0
    RFQ
    LTC1702ACGN#TRPBF

    Datasheet

    - 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 7V 550kHz 90% Yes No - Current Limit, Enable, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-SSOP
    ISL68239IRAZ-T7A

    ISL68239IRAZ-T7A

    INFRA AVS 3OUT/12PH DIGITAL CONT

    Renesas Electronics Corporation

    0
    RFQ
    ISL68239IRAZ-T7A

    Datasheet

    - 68-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 3 12 3.135V ~ 3.465V 200kHz ~ 2MHz - No Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 68-QFN (8x8)
    LTC3728IG#TRPBF

    LTC3728IG#TRPBF

    IC REG CTRLR BUCK 28SSOP

    Analog Devices Inc.

    0
    RFQ
    LTC3728IG#TRPBF

    Datasheet

    - 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
    LTC3851AMPMSE#TRPBF

    LTC3851AMPMSE#TRPBF

    IC REG CTRLR BUCK 16MSOP

    Analog Devices Inc.

    0
    RFQ
    LTC3851AMPMSE#TRPBF

    Datasheet

    - 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Current Limit, Enable, Frequency Control, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 16-MSOP-EP
    LTC3851AMPMSE-1#TRPBF

    LTC3851AMPMSE-1#TRPBF

    IC REG CTRLR BUCK 16MSOP

    Analog Devices Inc.

    0
    RFQ
    LTC3851AMPMSE-1#TRPBF

    Datasheet

    - 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 16-MSOP-EP
    LTC3883IUH-1#TRPBF

    LTC3883IUH-1#TRPBF

    IC REG CTRLR BUCK PMBUS 32QFN

    Analog Devices Inc.

    0
    RFQ
    LTC3883IUH-1#TRPBF

    Datasheet

    PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    LTC3890IUH-2#TRPBF

    LTC3890IUH-2#TRPBF

    IC REG CTRLR BUCK/SEPIC 32QFN

    Analog Devices Inc.

    0
    RFQ
    LTC3890IUH-2#TRPBF

    Datasheet

    PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, SEPIC 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    LT8390AHFE#TRPBF

    LT8390AHFE#TRPBF

    60V SYNCHRONOUS 4-SWITCH BUCK-BO

    Analog Devices Inc.

    0
    RFQ
    LT8390AHFE#TRPBF

    Datasheet

    - 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4V ~ 60V 645kHz ~ 2.1MHz 95% Yes Yes - Current Limit, Frequency Control, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
    LT8392HFE#TRPBF

    LT8392HFE#TRPBF

    60V SYNC 4-SWITCH BUCK-BOOST LED

    Analog Devices Inc.

    0
    RFQ
    LT8392HFE#TRPBF

    Datasheet

    - 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 3V ~ 60V 400kHz - Yes Yes - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
    ISL9444IRZ-T7A

    ISL9444IRZ-T7A

    IC REG CTRLR BUCK 40QFN

    Renesas Electronics Corporation

    1
    RFQ
    ISL9444IRZ-T7A

    Datasheet

    - 40-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 3 2 4.5V ~ 28V 200kHz ~ 1.2MHz - Yes Yes - Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 40-QFN (5x5)
    ISL9444CRZ-T7A

    ISL9444CRZ-T7A

    IC REG CTRLR BUCK 32QFN

    Renesas Electronics Corporation

    0
    RFQ
    ISL9444CRZ-T7A

    Datasheet

    - 40-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 3 2 4.5V ~ 28V 200kHz ~ 1.2MHz - Yes Yes - Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, Tracking 0°C ~ 85°C (TA) - - Surface Mount 40-QFN (5x5)
    LTC3896IFE#TRPBF

    LTC3896IFE#TRPBF

    IC REG BUCK BOOST 38TSSOP

    Analog Devices Inc.

    0
    RFQ
    LTC3896IFE#TRPBF

    Datasheet

    - 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 4V ~ 140V 50kHz ~ 900kHz 99% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
    ZL8800ALBFT

    ZL8800ALBFT

    IC REG CTRLR BUCK PMBUS 44QFN

    Renesas Electronics Corporation

    0
    RFQ
    ZL8800ALBFT

    Datasheet

    Digital-DC™ 44-VFQFN Exposed Pad Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 14V 200kHz ~ 1.33MHz - No Yes PMBus Current Limit, Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 44-QFN (7x7)
    ZL8800ALAFT

    ZL8800ALAFT

    IC REG CTRLR BUCK PMBUS 44QFN

    Renesas Electronics Corporation

    0
    RFQ
    ZL8800ALAFT

    Datasheet

    Digital-DC™ 44-VFQFN Exposed Pad Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 14V 200kHz ~ 1.33MHz - No Yes PMBus Current Limit, Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 44-QFN (7x7)
    LT3782IFE#TRPBF

    LT3782IFE#TRPBF

    IC REG CTRLR BOOST 28TSSOP

    Analog Devices Inc.

    0
    RFQ
    LT3782IFE#TRPBF

    Datasheet

    - 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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-TSSOP-EP
    MAX742EWP+

    MAX742EWP+

    IC REG CTRLR BOOST 20SOIC

    Analog Devices Inc./Maxim Integrated

    0
    RFQ

    -

    - 20-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Up Positive or Negative Boost 2 1 4.2V ~ 10V 100kHz, 200kHz 90% No No - Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-SOIC
    LTC3802EGN#TRPBF

    LTC3802EGN#TRPBF

    IC REG CTRLR BUCK 28SSOP

    Analog Devices Inc.

    0
    RFQ
    LTC3802EGN#TRPBF

    Datasheet

    - 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 30V 330kHz ~ 750kHz 89% Yes No - Current Limit, Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
    LTC3802EUH#TRPBF

    LTC3802EUH#TRPBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    0
    RFQ
    LTC3802EUH#TRPBF

    Datasheet

    - 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 30V 330kHz ~ 750kHz 89% Yes No - Current Limit, Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
    LTC3731IG#TRPBF

    LTC3731IG#TRPBF

    IC REG CTRLR BUCK 36SSOP

    Analog Devices Inc.

    0
    RFQ
    LTC3731IG#TRPBF

    Datasheet

    PolyPhase® 36-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 3.8V ~ 7V 225kHz ~ 680kHz 98.5% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
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