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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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MAX5019ESAIC REG CTRLR FLYBACK 8SOIC |
0 | - |
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- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 13V ~ 36V | 275kHz | 85% | No | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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ISL8126CRZIC REG CTRLR BUCK 32QFN |
0 | - |
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Datasheet |
- | 32-VFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.6V | 150kHz ~ 1.5MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LM5025MTCXIC REG CTRLR FWRD CONV 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 580kHz | 80% | No | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
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MIC2131-4YTSE-TRIC REG CTRLR BUCK 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | 400kHz | 80% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-eTSSOP |
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UCC2541RHBRG4IC REG CTRLR BUCK 32QFN |
0 | - |
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Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8.5V ~ 35V | 300kHz | - | Yes | Yes | - | Enable, Ramp, Reset, Soft Start, Tracking | -40°C ~ 105°C (TA) | - | - | Surface Mount | 32-VQFN (5x5) |
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LM2647MTCIC REG CTRLR BUCK 28TSSOP |
0 | - |
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Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 5.5V ~ 28V | 200kHz ~ 500kHz | 75% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |
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TPS40090RHDTG4IC REG CTRLR BUCK 28VQFN |
0 | - |
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Datasheet |
- | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.5V ~ 15V | 100kHz ~ 1.2MHz | 87.5% | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-VQFN (5x5) |
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LM5025BMTCX/NOPBIC REG CTRLR FWRD CONV 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 400kHz | 71%, 73% | No | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
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LM5041BMTCX/NOPBIC REG CTRLR MULT TOP 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Half-Bridge, Push-Pull | 1 | 1 | 15V ~ 90V | 200kHz, 600kHz | - | Yes | Yes | - | Dead Time Control, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
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MAX15005DAUE/V+TAUTOMOTIVE BOOST/FLYBACK/SEPIC P |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 4.5V ~ 40V | 15kHz ~ 1MHz | 80% | No | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 16-TSSOP |
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MAX15005CAUE/V+TAUTOMOTIVE BOOST/FLYBACK/SEPIC P |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 4.5V ~ 40V | 15kHz ~ 1MHz | 81.1% | No | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 16-TSSOP-EP |
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MIC2130-1YML-TRIC REG CTRLR BUCK 16MLF |
0 | - |
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Datasheet |
- | 16-VQFN Exposed Pad, 16-MLF® | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | 150kHz | 92% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MLF® (4x4) |
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LM5026SDX/NOPBIC REG CTRLR FWRD CONV 16WSON |
0 | - |
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Datasheet |
- | 16-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 590kHz | 70%, 80% | No | Yes | - | Dead Time Control, Frequency Control, Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-WSON (5x5) |
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XC9252C08AVR-GIC REG CTRLR BUCK 16TSSOP |
0 | - |
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Datasheet |
- | 16-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 30V | 280kHz ~ 550kHz | 100% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
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LTC7803IMSE#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 ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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LTC7803IUD#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 ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
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LTC7893AUFDM#WTRPBFLOW IQ 100V SINGLE SYNC BOOST CT |
0 | - |
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- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4V ~ 60V | 100kHz ~ 3MHz | 93% | Yes | No | - | Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 28-QFN (4x5) |
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TPS43337QDAPRQ1IC REG CTRLR BUCK/BOOST 38HTSSOP |
0 | - |
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Datasheet |
- | 38-PowerTSSOP (0.240", 6.10mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 4V ~ 40V | 150kHz ~ 600kHz | 90%, 98.75% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 38-HTSSOP |
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TPS53681RSBRTPS53681RSBR |
0 | - |
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Datasheet |
D-CAP+™ | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 8 | 4.5V ~ 17V | 300kHz ~ 1MHz | - | No | No | PMBus | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-WQFN (5x5) |
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TPS40140RHHRG4IC REG CTRLR BUCK 36QFN |
0 | - |
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Datasheet |
- | 36-VFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 15V | 150kHz ~ 1MHz | 87.5% | Yes | No | - | Current Limit, Frequency Control, Phase Control, Power Good, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-VQFN (6x6) |
