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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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LTC3784IGN#TRPBFIC REG CTRLR BOOST 28SSOP |
0 | - |
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Datasheet |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 60V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
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LTC3853HUJ#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 | 3 | 3 | 4.5V ~ 24V | 250kHz ~ 750kHz | 98% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
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ISL68229IRAZ-TINFR 3OUT/12PH DIGITAL CONTROLLE |
0 | - |
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Datasheet |
- | 68-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 3 | 12 | 3.135V ~ 3.465V | 200kHz ~ 2MHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 68-QFN (8x8) |
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MAX5065EAI+TIC REG CTRLR BUCK 28SSOP |
0 | - |
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- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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MAX5065EAI-TIC REG CTRLR BUCK 28SSOP |
0 | - |
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- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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ISL68224IRAZ-T7AINFRA 3OUT/6PH DIGITAL CONTROLLE |
0 | - |
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Datasheet |
- | 52-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | - | Positive | - | 3 | 6 | 3.135V ~ 3.465V | 200kHz ~ 2MHz | - | No | No | PMBus | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (6x6) |
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MAX5069AAUE+IC REG CTRLR BUCK 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 10.8V ~ 24V | 50kHz ~ 2.5MHz | 100% | No | Yes | - | Dead Time Control, Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
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LM5642MTCXIC REG CTRLR BUCK 28TSSOP |
0 | - |
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Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 200kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |
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LTC3891HUDC#TRPBFIC REG CTRLR BUCK 20QFN |
0 | - |
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Datasheet |
- | 20-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 20-QFN (3x4) |
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LTC7800HUDC#TRPBFIC REG CTRLR SYNC BUCK 60V 20QFN |
0 | - |
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Datasheet |
- | 20-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 60V | 320kHz ~ 2.25MHz | 98% | No | No | - | Current Limit, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 20-QFN (3x4) |
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MCP19214T-E/MQIC REG CNTRL MULTI I2C 28QFN |
0 | - |
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Datasheet |
- | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 2 | 2 | 4.5V ~ 42V | 31.25kHz ~ 2MHz | - | Yes | Yes | I2C | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 28-QFN (5x5) |
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LTC3835IUFD#TRPBFIC REG CTRLR BUCK 20QFN |
0 | - |
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Datasheet |
- | 20-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (4x5) |
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LTC3829IUHF#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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LTC3787HGN#TRPBFIC REG CTRLR BOOST 28SSOP |
0 | - |
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Datasheet |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-SSOP |
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LTC3787HUFD#TRPBFIC REG CTRLR BOOST 28QFN |
0 | - |
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Datasheet |
PolyPhase® | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
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LTC7812IUH#TRPBFIC REG CTRLR BUCK/BOOST 32QFN |
0 | - |
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Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | 1 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 96%, 99% | No | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC7841IUHE#TRPBFPOLYPHSYNC BOOST CNTR |
0 | - |
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Datasheet |
- | 36-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 12 | 4.5V ~ 60V | 75kHz ~ 850kHz | 96% | Yes | Yes | I2C, PMBus, SMBus | Current Limit, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 36-QFN (5x6) |
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LTC7818IUJ#TRPBFBUCK/BUCK/BOOST SYNC CTL, 40V, 3 |
0 | - |
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Datasheet |
- | - | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | - | - |
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UC3578DPG4IC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 14V ~ 72V | 110kHz | 90% | No | No | - | Current Limit, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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LTC3835IFE#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 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TSSOP-EP |
