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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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UCC28084PWRIC REG CTRLR MULT TOP 8TSSOP |
0 | - |
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Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Half-Bridge, Push-Pull | 2 | 1 | 4.1V ~ 15V | 200kHz | 49% | Yes | No | - | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-TSSOP |
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SI9122DLP-T1-E3IC REG CTRLR HALF-BRG MLP65-20 |
0 | - |
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Datasheet |
- | PowerPAK® MLP65-20 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Half-Bridge | 1 | 1 | 10V ~ 13.2V | 500kHz | 92% | Yes | No | - | Current Limit, Sequencing, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | PowerPAK® MLP65-20 |
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UC2825DWG4IC REG CTRLR MULT TOP 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | 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 ~ 30V | 340kHz ~ 460kHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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L6917BDIC REG CTRLR BUCK 28SO |
0 | - |
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Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 7.5V ~ 15V | 300kHz | 75% | Yes | No | - | Current Limit, Frequency Control, Phase Control, Power Good | -25°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SO |
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MAX20412ATJG/V+IC REG BOOST DUAL |
0 | - |
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- | 32-WFQFN Exposed Pad | Tube | Active | PWM | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.5V | 1.1MHz, 2.2MHz | - | Yes | No | I2C | - | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 32-TQFN (5x5) |
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MAX20412ATJE/V+IC REG BUCK DUAL |
0 | - |
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- | 32-WFQFN Exposed Pad | Tube | Active | PWM | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.5V | 1.1MHz, 2.2MHz | - | Yes | No | I2C | - | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 32-TQFN (5x5) |
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MAX20412ATJH/V+IC REG BUCK DUAL |
0 | - |
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- | 32-WFQFN Exposed Pad | Tube | Active | PWM | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.5V | 1.1MHz, 2.2MHz | - | Yes | No | I2C | - | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 32-TQFN (5x5) |
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LTC3851AHMSE#TRPBFIC REG CTRLR BUCK 16MSOP |
0 | - |
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Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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LTC3851AHMSE-1#TRPBFIC REG CTRLR BUCK 16MSOP |
0 | - |
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Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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UC3864DWIC REG CTRLR MULT TOP 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 22V | 50kHz ~ 500kHz | 100% | No | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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UCC3895DWG4IC OFFLINE SW FULL-BRDG 20SOIC |
0 | - |
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Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Discontinued at Digi-Key | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
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MAX5019CSA+IC REG CTRLR FLYBACK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 13V ~ 36V | 275kHz | 85% | No | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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MAX15158ZATJ+THV MULTIPHASE BOOST CONTROLLER |
0 | - |
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- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Buck-Boost | 1 | 4 | 8.5V ~ 14V | 120kHz ~ 1MHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount | 32-TQFN (5x5) |
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LTC3704IMS#TRPBFIC REG CTRLR CUK 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Negative | Cuk | 1 | 1 | 2.5V ~ 36V | 50kHz ~ 1MHz | 92% | No | Yes | - | Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP |
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LTC7803HUD#TRPBFLOW IQ SYNCHRONOUS BUCK CONTROLL |
0 | - |
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Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
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LTC7803HMSE#TRPBFLOW IQ SYNCHRONOUS BUCK CONTROLL |
0 | - |
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Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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UC3527ANG4IC 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-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
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LM5020MM-1IC REG CTRLR FLYBACK 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 8V ~ 15V | 200kHz ~ 630kHz | 80% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-VSSOP |
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ISL68200IRZIC REG CTRLR BUCK PMBUS 24QFN |
0 | - |
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Datasheet |
Rapid Robust Ripple Regulator™ (R4) | 24-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 24V | 300kHz ~ 1.5MHz | - | Yes | No | I2C, PMBus, SMBus | Enable, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
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UCC2580D-1IC REG CTRLR FWRD CONV 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Forward Converter | 2 | 1 | 8.5V ~ 16V | 400kHz | 66% | No | No | - | Enable, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
