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0755-82798135DC DC Switching Controllers
DC DC Switching Controllers
DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.
TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing 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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LTC1149CS-3.3#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | Up to 48V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1149CS-5#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | Up to 48V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1149CS#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | Up to 48V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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MAX16930BAGLS/VY+T2MHZ 36V DUAL BUCK |
0 | - |
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- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 3.5V ~ 42V | 1MHz ~ 2.2MHz | 95% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 40-QFN (6x6) |
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LTC1922EN-1#PBFIC REG CTRLR FULL-BRIDGE 20DIP |
0 | - |
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Datasheet |
- | 20-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 3.8V ~ 10.3V | Up to 1MHz | 99% | Yes | Yes | - | Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 20-PDIP |
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LT8210EFE#TRPBF100V BUCK/BOOST CTLR WITH PASS-T |
0 | - |
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Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 2.8V ~ 100V | 80kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LT8210EUJ#TRPBF100V BUCK/BOOST CTLR WITH PASS-T |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 2.8V ~ 100V | 80kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
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LTC3727AIG-1#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
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Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 255kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC1435IG#TRPBFIC REG CTRLR BUCK 16SSOP |
0 | - |
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Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
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LTC1702AIGN#TRPBFIC REG CTRLR BUCK 24SSOP |
0 | - |
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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 | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
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LTC3899HFE#TRPBFIC REG CTRLR BCK/BCK-BST 38TSSOP |
0 | - |
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Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck, Buck-Boost | 3 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 100% | Yes | No | - | Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LTC3892HUH#TRPBFIC REG CTRLR BUCK 32QFN |
0 | - |
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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 ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3892HUH-2#TRPBFIC REG CTRLR BUCK 32QFN |
0 | - |
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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 ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3897HUHG-2#TRPBFPP SYNC BOOST CNTR W/ IN/ OUT PR |
0 | - |
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Datasheet |
PolyPhase® | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 65V | 75kHz ~ 850kHz | - | Yes | Yes | - | Current Limit, Frequency Control, Overcurrent, Ramping | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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LTC3859ALHUHF#WTRPBF3X OUT, BUCK/BUCK/BOOST SYNC CNT |
0 | - |
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Datasheet |
- | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 50kHz ~ 900kHz | 100% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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LTC3863IDE#TRPBFIC REG CTRLR BUCK 12DFN |
0 | - |
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Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | - | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-DFN (4x3) |
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LTC1148LCS-3.3#TRPBFIC REG CTRLR BUCK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SO |
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LTC1148LCS#TRPBFIC REG CTRLR BUCK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SO |
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LT3757MPMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.9V ~ 40V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
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LT3757AMPMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.9V ~ 40V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |

