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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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LTC3875IUH#TRPBFIC REG CTRLR BUCK 40QFN |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 720kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (5x5) |
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ISL68236IRAZ-TINFRA AVS 2OUT/9PH DIGITAL CONTR |
0 | - |
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Datasheet |
- | 52-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 9 | 3.135V ~ 3.465V | Up to 2MHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (6x6) |
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LT1725IGN#TRPBFIC REG CTRLR FLYBACK 16SSOP |
0 | - |
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Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive or Negative, Isolation Capable | Flyback | 1 | 1 | 9.7V ~ 22V | 90kHz ~ 115kHz | 90% | No | No | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SSOP |
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ISL8117FRZ-T7AIC REG CTRLR BUCK 16QFN |
0 | - |
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Datasheet |
- | 16-TFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 60V | 100kHz ~ 2MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (4x4) |
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UC3825ANG4IC REG CTRLR MULT TOPOLOGY 16DIP |
0 | - |
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Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8.4V ~ 22V | 400kHz ~ 1MHz | 50% | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
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MAX1761EEE+TIC REG CTRLR BUCK 16QSOP |
0 | - |
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- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 20V | 250kHz, 350kHz | - | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QSOP |
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UC2827DWTR-1IC REG CTRLR MULT TOP 24SOIC |
0 | - |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Push-Pull | 3 | 1 | 7.6V ~ 20V | 220kHz | 91% | Yes | Yes | - | Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SOIC |
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UC2827DWTR-1G4IC REG CTRLR MULT TOP 24SOIC |
0 | - |
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Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Push-Pull | 3 | 1 | 7.6V ~ 20V | 220kHz | 91% | Yes | Yes | - | Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SOIC |
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LTC3834EDHC-1#TRPBFIC REG CTRLR BUCK 16-DFN |
0 | - |
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Datasheet |
- | 16-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-DFN (5x3) |
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LTC3834EGN-1#TRPBFIC REG CTRLR BUCK 16SSOP |
0 | - |
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Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
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LTC7817EUHF#TRPBF40V, 8UA IQ, 3MHZ, TRPLE BCKBST |
0 | - |
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Datasheet |
- | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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UCC35702NG4IC REG CTRLR MULT TOPOLOGY 14DIP |
0 | - |
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Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.8V ~ 15V | 100kHz | 99% | No | Yes | - | Current Limit, Frequency Control, Sequencing, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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LTC3862IUH#TRPBFIC REG CTRLR BOOST/SEPIC 24QFN |
0 | - |
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Datasheet |
- | 24-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 4V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
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BD9853AFV-E2IC REG CTRLR BUCK 16SSOP |
0 | - |
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Datasheet |
- | 16-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 16V | 100kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP-B |
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LTC3862IGN-1#TRPBFIC REG CTRLR BOOST/SEPIC 24SSOP |
0 | - |
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Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-SSOP |
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LTC3862IUH-1#TRPBFIC REG CTRLR BOOST/SEPIC 24QFN |
0 | - |
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Datasheet |
- | 24-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
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LTC3829EUHF#TRPBFIC REG CTRLR BUCK 38QFN |
0 | - |
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Datasheet |
PolyPhase® | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 38V | 250kHz ~ 770kHz | 94% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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LTC3862IGN-2#TRPBFIC REG CTRLR BOOST/SEPIC 24SSOP |
0 | - |
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Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-SSOP |
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LTC3862IUH-2#TRPBFIC REG CTRLR BOOST/SEPIC 24QFN |
0 | - |
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Datasheet |
- | 24-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
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LT3752IFE#TRPBFIC REG CTRLR FWRD CONV 38TSSOP |
0 | - |
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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, Isolation Capable | Forward Converter | 1 | 1 | 6.5V ~ 100V | 100kHz ~ 500kHz | 95% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
