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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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LT1241CS8#TRPBFIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 8.2V ~ 25V | 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 100°C (TJ) | - | - | Surface Mount | 8-SO |
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LT1245CS8#TRPBFIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 8.2V ~ 25V | 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 100°C (TJ) | - | - | Surface Mount | 8-SO |
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LT1243CS8#TRPBFIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 8.2V ~ 25V | 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 100°C (TJ) | - | - | Surface Mount | 8-SO |
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MAX8597ETP+TIC REG CTRLR BUCK 20-TQFN |
0 | - |
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- |
- | 20-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 28V | 200kHz ~ 1.4MHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TQFN (4x4) |
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MAX8577EUB+IC REG CTRLR BUCK 10UMAX |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 28V | 200kHz ~ 500kHz | - | Yes | No | - | Current Limit, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
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LTC7802JUFDM#WTRPBF40V, LOW IQ DUAL PHSE SYCH STP-D |
0 | - |
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Datasheet |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount, Wettable Flank | 28-QFN (4x5) |
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LTC3870IUFD#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 ~ 60V | 500kHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
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LTC3870IUF-1#TRPBFIC REG CTRLR BUCK 24QFN |
0 | - |
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Datasheet |
PolyPhase® | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 500kHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (4x4) |
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LTC7852EUFD-1#TRPBF6-PHASE BUCK CONTROLLER DRIVES D |
0 | - |
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Datasheet |
- | 36-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 6 | 4.5V ~ 5.5V | 200kHz ~ 1.2MHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 36-QFN (4x5) |
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UC2825ADWTRG4IC REG CTRLR MULT TOP 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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 | 8.4V ~ 22V | 400kHz ~ 1MHz | 50% | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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MIC2193YM-TRIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.9V ~ 14V | 400kHz | 100% | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
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LTC3809EDD#TRPBFIC REG CTRLR BUCK 10DFN |
0 | - |
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Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 9.8V | 460kHz ~ 635kHz | 100% | Yes | Yes | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-DFN (3x3) |
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LTC3809EDD-1#TRPBFIC REG CTRLR BUCK 10DFN |
0 | - |
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Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 9.8V | 550kHz | 100% | Yes | No | - | Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-DFN (3x3) |
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MIC2186YM-TRIC REG CTRLR BOOST 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.9V ~ 14V | 100kHz, 200kHz, 400kHz | 85% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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MAX5060ATI-TIC REG CTRLR BUCK 28TQFN |
0 | - |
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- |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 28V | 125kHz ~ 1.5MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TQFN (5x5) |
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UCC3895NG4IC OFFLINE SW FULL-BRDG 20DIP |
0 | - |
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Datasheet |
- | 20-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | 0°C ~ 70°C (TA) | - | - | Through Hole | 20-PDIP |
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TPS40140RHHTG4IC 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) |
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LTC3850IGN-1#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
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Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 250kHz ~ 780kHz | 97.2% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC3824HMSE#TRPBFIC REG CTRLR BUCK 10MSOP |
0 | - |
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Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 60V | 200kHz ~ 600kHz | 100% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
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MIC2182-3.3YMIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 32V | 300kHz | 86% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
