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    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
    LTC3890IGN-1#PBF

    LTC3890IGN-1#PBF

    IC REG CTRLR BUCK 28SSOP

    Analog Devices Inc.

    75
    RFQ
    LTC3890IGN-1#PBF

    Datasheet

    - 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
    LT3782EFE#TRPBF

    LT3782EFE#TRPBF

    IC REG CTRLR BOOST 28TSSOP

    Analog Devices Inc.

    5,783
    RFQ
    LT3782EFE#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
    LTC1628CG-SYNC#PBF

    LTC1628CG-SYNC#PBF

    IC REG CTRLR BUCK 28SSOP

    Analog Devices Inc.

    251
    RFQ
    LTC1628CG-SYNC#PBF

    Datasheet

    - 16-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SSOP
    LTC7821EUH#PBF

    LTC7821EUH#PBF

    IC REG CTRLR BUCK HYBRID 32QFN

    Analog Devices Inc.

    197
    RFQ
    LTC7821EUH#PBF

    Datasheet

    - 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 2 10V ~ 72V 200kHz ~ 1.5MHz 40% No No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
    LT3791IFE-1#TRPBF

    LT3791IFE-1#TRPBF

    IC REG CTRLR BUCK-BOOST 38TSSOP

    Analog Devices Inc.

    4,620
    RFQ
    LT3791IFE-1#TRPBF

    Datasheet

    - 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
    LT3791IFE-1#PBF

    LT3791IFE-1#PBF

    IC REG CTRLR BUCK-BOOST 38TSSOP

    Analog Devices Inc.

    276
    RFQ
    LT3791IFE-1#PBF

    Datasheet

    - 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
    LTC1735IF#PBF

    LTC1735IF#PBF

    IC REG CTRLR BUCK 20TSSOP

    Analog Devices Inc.

    92
    RFQ
    LTC1735IF#PBF

    Datasheet

    - 20-TSSOP (0.173", 4.40mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-TSSOP
    LTC1702ACGN#PBF

    LTC1702ACGN#PBF

    IC REG CTRLR BUCK 24SSOP

    Analog Devices Inc.

    55
    RFQ
    LTC1702ACGN#PBF

    Datasheet

    - 24-SSOP (0.154", 3.90mm Width) Tube 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
    MAX1637EEE+

    MAX1637EEE+

    IC REG CTRLR BUCK 16QSOP

    Analog Devices Inc./Maxim Integrated

    0
    RFQ
    MAX1637EEE+

    Datasheet

    - 16-SSOP (0.154", 3.90mm Width) Tube 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
    LT8392HFE#PBF

    LT8392HFE#PBF

    60V SYNC 4-SWITCH BUCK-BOOST LED

    Analog Devices Inc.

    45
    RFQ
    LT8392HFE#PBF

    Datasheet

    - 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube 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
    LTC3871ELXE#PBF

    LTC3871ELXE#PBF

    IC REG CTRLR BCK/BST SYN 48LQFP

    Analog Devices Inc.

    249
    RFQ
    LTC3871ELXE#PBF

    Datasheet

    PolyPhase® 48-LQFP Exposed Pad Tray Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 2 Programmable 1.2V ~ 100V 60kHz ~ 460kHz 98% Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 48-eLQFP (7x7)
    LTC3880EUJ#PBF

    LTC3880EUJ#PBF

    IC REG CTRLR BUCK PMBUS 40QFN

    Analog Devices Inc.

    8,857
    RFQ
    LTC3880EUJ#PBF

    Datasheet

    PolyPhase® 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control -40°C ~ 105°C (TA) - - Surface Mount 40-QFN (6x6)
    LTC3882EUJ-1#PBF

    LTC3882EUJ-1#PBF

    IC REG CTRLR BUCK PMBUS 40QFN

    Analog Devices Inc.

    182
    RFQ
    LTC3882EUJ-1#PBF

    Datasheet

    PolyPhase® 40-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 13.8V 500kHz 87.5% No Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
    LM5140QRWGTQ1

    LM5140QRWGTQ1

    IC REG CTRLR BUCK 40VQFN

    Texas Instruments

    921
    RFQ
    LM5140QRWGTQ1

    Datasheet

    - 40-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.8V ~ 65V 440kHz, 2.2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 150°C (TJ) Automotive AEC-Q100 Surface Mount, Wettable Flank 40-VQFNP (6x6)
    LTC3887EUJ#TRPBF

    LTC3887EUJ#TRPBF

    IC REG CTRLR BUCK PMBUS 40QFN

    Analog Devices Inc.

    1,974
    RFQ
    LTC3887EUJ#TRPBF

    Datasheet

    PolyPhase® 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V 250kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
    LTC3887EUJ-1#PBF

    LTC3887EUJ-1#PBF

    IC REG CTRLR BUCK PMBUS 40QFN

    Analog Devices Inc.

    56
    RFQ
    LTC3887EUJ-1#PBF

    Datasheet

    PolyPhase® 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V 250kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
    LT3791HFE-1#PBF

    LT3791HFE-1#PBF

    IC REG CTRLR BUCK-BOOST 38TSSOP

    Analog Devices Inc.

    408
    RFQ
    LT3791HFE-1#PBF

    Datasheet

    - 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
    LTC3897EUHF#PBF

    LTC3897EUHF#PBF

    IC REG CTRLR BUCK BOOST 38QFN

    Analog Devices Inc.

    130
    RFQ
    LTC3897EUHF#PBF

    Datasheet

    - 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 65V 75kHz ~ 850kHz - Yes Yes - Current Limit, Frequency Control, Overcurrent, Ramping -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
    LTC3731IUH#PBF

    LTC3731IUH#PBF

    IC REG CTRLR BUCK 32QFN

    Analog Devices Inc.

    63
    RFQ
    LTC3731IUH#PBF

    Datasheet

    PolyPhase® 32-WFQFN Exposed Pad Tube 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 32-QFN (5x5)
    LT1681ISW#PBF

    LT1681ISW#PBF

    IC SYNCHRONOUS FWRD CTRLR 20SOIC

    Analog Devices Inc.

    293
    RFQ
    LT1681ISW#PBF

    Datasheet

    - 20-SOIC (0.295", 7.50mm Width) Tube Active - - - - - - - - - - - - - -40°C ~ 85°C - - Surface Mount 20-SO
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