DC DC Switching Controllers
Browse available DC DC Switching Controllers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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LTC3892IUH#TRPBFIC REG CTRLR BUCK 32QFN |
1,079 | - |
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Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3892IUH#PBFIC REG CTRLR BUCK 32QFN |
310 | - |
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Datasheet | - | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3780IUH#PBFIC REG CTRLR BUCK-BOOST 32QFN |
5,078 | - |
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Datasheet | - | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 30V | 200kHz ~ 400kHz | 99% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3780IG#TRPBFIC REG CTRLR BUCK-BOOST 24SSOP |
2,900 | - |
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Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 30V | 200kHz ~ 400kHz | 99% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-SSOP |
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LTC3892HUH#PBFIC REG CTRLR BUCK 32QFN |
1,029 | - |
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Datasheet | - | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3780IG#PBFIC REG CTRLR BUCK-BOOST 24SSOP |
418 | - |
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Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 30V | 200kHz ~ 400kHz | 99% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-SSOP |
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LTC7810ILXE#PBF150V LOW IQ, DUAL, 2-PHASE SYNCH |
4,585 | - |
|
Datasheet | - | 48-LQFP Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 140V | 105kHz ~ 780kHz | 100% | Yes | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 48-eLQFP (7x7) |
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LT8705AEFE#TRPBFIC REG CTRLR BUCK-BOOST 38TSSOP |
3,399 | - |
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Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
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LTC3779EFE#PBFIC REG CTRLR BUCK-BOOST 38-TSSOP |
2,913 | - |
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Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.5V ~ 150V | 50kHz ~ 600kHz | 90% | Yes | No | - | Current Limit, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LT8705EUHF#TRPBFIC REG CTRLR BUCK-BOOST 38QFN |
2,583 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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LTC3779EFE#TRPBFIC REG CTRLR BUCK-BOOST 38-TSSOP |
1,648 | - |
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Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.5V ~ 150V | 50kHz ~ 600kHz | 90% | Yes | No | - | Current Limit, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LT8705EFE#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
1,451 | - |
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Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LT8705AEUHF#PBFIC REG CTRLR BUCK-BOOST 38QFN |
405 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-QFN (5x7) |
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LT8708EUHG#TRPBF80V SYNCHRONOUS 4-SWITCH BUCK-BO |
376 | - |
|
Datasheet | - | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | 80% | Yes | Yes | - | - | -40°C ~ 125°C | - | - | Surface Mount | 40-QFN (5x8) |
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LTC3880IUJ#PBFIC REG CTRLR BUCK PMBUS 40QFN |
345 | - |
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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 ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
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LTC3887IUJ#PBFIC REG CTRLR BUCK PMBUS 40QFN |
280 | - |
|
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) |
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LTC7810HLXE#PBF150V LOW IQ, DUAL, 2-PHASE SYNCH |
4,041 | - |
|
Datasheet | - | 48-LQFP Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 140V | 105kHz ~ 780kHz | 100% | Yes | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 48-eLQFP (7x7) |
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LTC3884IUK#PBFIC REG CTRLR BUCK PMBUS 48QFN |
478 | - |
|
Datasheet | PolyPhase® | 48-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-QFN (7x7) |
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LTC3722IGN-1#PBFIC REG CTRLR FULL-BRIDGE 24SSOP |
797 | - |
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Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 2 | 2 | 3.8V ~ 10.25V | - | 98.5% | Yes | Yes | - | Current Limit, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
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LT8705IUHF#PBFIC REG CTRLR BUCK-BOOST 38QFN |
2,992 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
DC DC Switching Controllers FAQ
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Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
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