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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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MC33129EFR2IC REG CTRLR FLYBACK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 3.24V ~ 12V | 100kHz | - | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SO |
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UCC2813PW-3G4IC REG CTRLR MULT TOP 8TSSOP |
0 | - |
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Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tray | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 3.6V ~ 12V | - | 99% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-TSSOP |
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UCC3813PW-5G4IC REG CTRLR MULT TOP 8TSSOP |
0 | - |
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Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tray | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 3.6V ~ 12V | 31kHz | 49% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-TSSOP |
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TL1451ACNSG4IC REG CTRLR BUCK/BST/FLYBK 16SO |
0 | - |
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Datasheet |
- | 16-SOIC (0.209", 5.30mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 2 | 1 | 3.6V ~ 50V | 1kHz ~ 500kHz | - | No | No | - | Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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TPS40000DGQG4IC REG CTRLR BUCK 10MSOP |
0 | - |
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Datasheet |
- | 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 300kHz | 94% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-HVSSOP |
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TPS40007DGQG4IC REG CTRLR BUCK 10MSOP |
0 | - |
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Datasheet |
- | 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 300kHz | 94% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-HVSSOP |
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TPS40009DGQG4IC REG CTRLR BUCK 10MSOP |
0 | - |
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Datasheet |
- | 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 600kHz | 93% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-HVSSOP |
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MIC3839BMM-TRIC REG CTRLR MULT TOP 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 2V ~ 14V | 200kHz | 49% | No | No | - | Current Limit, Frequency Control, Ramp | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP |
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AP2001SL-UIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.6V ~ 40V | 1kHz ~ 500kHz | - | No | No | - | Dead Time Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOP |
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UCC2813D-0G4IC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 6.9V ~ 12V | - | 99% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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UCC2813D-5G4IC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 3.6V ~ 12V | - | 49% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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UCC3813D-1G4IC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 7.4V ~ 12V | 46kHz | 49% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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UC3524DTRG4IC REG CTRLR MULT TOP 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 40V | 300kHz | 45% | No | No | - | Current Limit, Enable, Frequency Control, Ramp | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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LM5033SDXIC REG CTRLR PUSH-PULL 10WSON |
0 | - |
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Datasheet |
- | 10-WDFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 15V ~ 90V | 200kHz, 600kHz | - | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-WSON (4x4) |
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MIC38C43ABMIC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | 500kHz | 96% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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MIC38C45ABMIC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | 500kHz | 50% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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NCP1378PIC REG CTRLR FLYBACK 8DIP |
0 | - |
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Datasheet |
- | 8-DIP (0.300", 7.62mm), 7 Leads | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 8.4V ~ 18V | - | - | No | No | - | Current Limit | 0°C ~ 125°C (TJ) | - | - | Through Hole | 7-PDIP |
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UC3843ADR2IC REG CTRLR BUCK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
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NCP5425DBR2IC REG CTRLR BUCK 20TSSOP |
0 | - |
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Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 16V | 150kHz ~ 750kHz | 100% | Yes | No | - | Frequency Control | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
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LM5033MMXIC REG CTRLR PUSH-PULL 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 15V ~ 90V | 200kHz, 600kHz | - | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-VSSOP |
