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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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LTC3833EFE#TRPBFIC REG CTRLR BUCK 20TSSOP |
0 | - |
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Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 200kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
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LTC3874IUFD#TRPBFIC REG CTRLR BUCK 28QFN |
0 | - |
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Datasheet |
PolyPhase® | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 1MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
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LTC3874IUF-1#TRPBFIC REG CTRLR BUCK 24QFN |
0 | - |
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Datasheet |
PolyPhase® | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 1MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (4x4) |
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ISL78220ANEZ-TIC REG CTRLR BOOST 44TQFP |
0 | - |
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Datasheet |
- | 44-QFP | Tape & Reel (TR) | Active | PWM Signal | Step-Up | Positive | Boost | 6 | 6 | 4.75V ~ 5.25V | 75kHz ~ 1MHz | 91.7% | - | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 44-MQFP (10x10) |
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ISL78268ARZIC REG CTRLR BUCK 24QFN |
0 | - |
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Datasheet |
- | 24-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 5.5V | 50kHz ~ 1.1MHz | - | Yes | Yes | - | Enable, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
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TPS536C7B1RSLRIC POWER |
0 | - |
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- |
D-CAP+™ | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | Step-Down | Positive | Buck | 1 | 12 | 4.5V ~ 18V | 300kHz ~ 2MHz | 50% | No | Yes | PMBus | Current Limit, Enable, Frequency Control, Phase Control, Ramp, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount | 48-VQFN (6x6) |
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MAX16952AUE/V+TIC 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 | 3.5V ~ 36V | 1MHz ~ 2.2MHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-TSSOP-EP |
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MAX16955AUE+TIC REG CTRLR BUCK 16TSSOP |
0 | - |
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- |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 36V | 220kHz ~ 1MHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
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MAX17230ETLR+TIC REG BUCK SYNC |
0 | - |
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- |
* | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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MCP19116T-E/MJIC PWM CTLR SYNC LOW SIDE 24QFN |
0 | - |
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Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 4.5V ~ 42V | 31.25kHz ~ 2MHz | - | No | Yes | I2C | EN | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
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MCP19124T-E/MJIC REG CTRLR |
0 | - |
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Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 2 | 4.75V ~ 5.5V | 31.25kHz ~ 2MHz | - | Yes | Yes | I2C | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
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LM5041SD/NOPBIC REG CTRLR MULT TOP 16WSON |
0 | - |
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Datasheet |
- | 16-WFDFN Exposed Pad | 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-WSON (5x5) |
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MAX773CSD+TIC REG CTRLR BOOST 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable, Low Battery | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
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LM5039MHX/NOPBIC REG CTRLR HALF-BRIDGE 20TSSOP |
0 | - |
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Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Half-Bridge | 1 | 1 | 13V ~ 105V | 200kHz, 500kHz | - | Yes | Yes | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
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UC2856NG4IC 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 | 7V ~ 40V | 200kHz | 47% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
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LTC3868EUFD-1#TRPBFIC REG CTRLR BUCK 28QFN |
0 | - |
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Datasheet |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 24V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-QFN (4x5) |
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LTC1700EMS#TRPBFIC REG CTRLR BOOST 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 0.9V ~ 6V | 530kHz | 88% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP |
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TFS7706HIC REG CTRLR MULT TOPOLOGY 7ESIP |
0 | - |
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Datasheet |
HiperTFS™-2 | 16-SSIP, 12 Leads, Exposed Pad, Formed Leads | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 2 | 1 | Up to 11.5V | 66kHz, 132kHz | 63% | No | No | - | Enable, Reset | -40°C ~ 150°C (TJ) | - | - | Through Hole | eSIP-16F |
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LTC3864HDE#TRPBFIC REG CTRLR BUCK 12DFN |
0 | - |
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Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | 100% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-DFN (4x3) |
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LTC3864HMSE#TRPBFIC REG CTRLR BUCK 12MSOP |
0 | - |
|
Datasheet |
- | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | 100% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
