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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LT1339CSW#PBFIC REG CTLR BST/FWRD CONV 20SOIC |
1,699 | - |
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Datasheet | - | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Forward Converter | 1 | 1 | Up to 20V | - | 90% | No | Yes | - | Current Limit, Enable, Phase Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SO |
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LT8390EFE#TRPBFIC REG CTRLR BUCK/BOOST 28TSS |
1,832 | - |
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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 | 190kHz ~ 630kHz | 95% | Yes | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
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LTC3890EUH#TRPBFIC REG CTRLR BUCK/SEPIC 32QFN |
1,741 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3789EUFD#TRPBFIC REG CTRLR BUCK-BOOST 28QFN |
7,083 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 4V ~ 38V | 200kHz ~ 640kHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
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LTC3789EGN#TRPBFIC REG CTRLR BUCK-BOOST 28SSOP |
3,569 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 4V ~ 38V | 200kHz ~ 640kHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
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LTC3789EGN#PBFIC REG CTRLR BUCK-BOOST 28SSOP |
851 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 4V ~ 38V | 200kHz ~ 640kHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
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LTC3789EUFD#PBFIC REG CTRLR BUCK-BOOST 28QFN |
575 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 4V ~ 38V | 200kHz ~ 640kHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
|
LTC3895EFE#TRPBFIC REG CTRLR BUCK 38TSSOP |
2,294 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 140V | 50kHz ~ 900kHz | 100% | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LT3790EFE#TRPBFIC REG CTRLR BUCK-BOOST 38TSSOP |
3,733 | - |
|
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 |
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LT3791EFE-1#TRPBFIC REG CTRLR BUCK-BOOST 38TSSOP |
2,297 | - |
|
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 |
|
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LT3791EFE-1#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
901 | - |
|
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 |
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LT3790EFE#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
458 | - |
|
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 |
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LT1683EG#TRPBFIC REG CTRLR PUSH-PULL 20SSOP |
1,524 | - |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive and Negative | Push-Pull | 1 | 1 | 7.3V ~ 20V | 250kHz | 46% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-SSOP |
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LT8390AIUFD#TRPBFIC REG CTRLR BUCK-BOOST 28 |
1,913 | - |
|
Datasheet | - | 28-WFQFN 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 ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
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LTC3721EGN-1#PBFIC REG CTRLR PUSH-PULL 16SSOP |
191 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Push-Pull | 2 | 2 | Up to 10V | Up to 1MHz | 50% | No | No | - | Current Limit, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
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LTC3892EUH-2#TRPBFIC REG CTRLR BUCK 32QFN |
4,537 | - |
|
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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LTC3892EUH#PBFIC REG CTRLR BUCK 32QFN |
4,443 | - |
|
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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LTC3892EUH#TRPBFIC REG CTRLR BUCK 32QFN |
2,439 | - |
|
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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LTC3892EUH-2#PBFIC REG CTRLR BUCK 32QFN |
255 | - |
|
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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LTC7801IFE#TRPBFIC REG CTRLR SYNC BUCK 24TSSOP |
7,778 | - |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 140V | 50kHz ~ 900kHz | 100% | No | No | - | Current Limit, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
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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