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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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ISL68221IRAZ-TINFRA 3OUT/3PH DIGI CONT 40LD 5X |
0 | - |
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Datasheet |
- | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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MAX25208ATPA/VY+THV 80V BUCK CONTROLLER |
0 | - |
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Datasheet |
- | 20-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 70V | 2.2MHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount, Wettable Flank | 20-SWTQFN (4x4) |
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MAX15258ATX+THV MULTIPHASE BOOST CONTROLLER W |
0 | - |
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Datasheet |
- | 36-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | ±8V ~ 76V | 120kHz ~ 1MHz | - | No | Yes | I2C | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking | -40°C ~ 125°C | - | - | Surface Mount | 36-TQFN (6x6) |
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TPS40130RHBRG4IC REG CTRLR BUCK 32QFN |
0 | - |
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Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 40V | 100kHz ~ 1.2MHz | 87.5% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-VQFN (5x5) |
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UCC2541RHBTIC 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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LTC3864IDE#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 ~ 125°C (TJ) | - | - | Surface Mount | 12-DFN (4x3) |
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LTC7804HUD#TRPBFLOW IQ SYNCH BOOST CONTROLLER |
0 | - |
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Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | - | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
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LTC7804HMSE#TRPBFLOW IQ SYNCH BOOST CONTROLLER |
0 | - |
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Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | - | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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UCC28950TPWRQ1IC REG CTRLR FULL-BRIDGE 24TSSOP |
0 | - |
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Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge | 6 | 1 | 8V ~ 17V | 50kHz ~ 1MHz | 95% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | Automotive | AEC-Q100 | Surface Mount | 24-TSSOP |
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LM34936QPWPRQ1IC POWER REGULATOR |
0 | - |
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Datasheet |
- | 28-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4.2V ~ 30V | 100kHz ~ 600kHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 28-HTSSOP |
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MAX772CSA+TIC REG CTRLR BOOST 8SOIC |
0 | - |
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Datasheet |
- | 8-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 | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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LM3000ASQX/NOPBIC REG CTRLR BUCK 32WQFN |
0 | - |
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Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.3V ~ 5.5V | 200kHz ~ 1.5MHz | 85% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-WQFN (5x5) |
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MIC2131-4YML-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 | 400kHz | 80% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MLF® (4x4) |
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TPS40130DBTRIC REG CTRLR BUCK 30TSSOP |
0 | - |
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Datasheet |
- | 30-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 40V | 100kHz ~ 1.2MHz | 87.5% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 30-TSSOP |
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MAX1961EEP+TIC REG CTRLR BUCK 20QSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.35V ~ 5.5V | 500kHz, 1MHz | 92% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QSOP |
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LTC3874EUFD#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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LTC3874EUF-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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LTC3851AHMSE-1#PBFIC REG CTRLR BUCK 16MSOP |
0 | - |
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Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | 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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MCP19110T-E/MJIC REG CTRLR BUCK PMBUS 24QFN |
0 | - |
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Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 32V | 100kHz ~ 1.6MHz | - | Yes | No | I2C, PMBus, SMBus | Phase Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
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MCP19114-E/MJIC REG CTRLR MULT TOP I2C 24QFN |
0 | - |
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Datasheet |
- | 24-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 4.5V ~ 42V | 31.25kHz ~ 2MHz | - | No | No | I2C | - | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
