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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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LTC3728LEUH-1#TRPBFIC REG CTRLR BUCK 32QFN |
0 | - |
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Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LT3782AIFE#TRPBFIC REG CTRLR BOOST 28TSSOP |
0 | - |
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Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 6V ~ 40V | 154kHz ~ 465kHz | 94% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
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LTC1735IS#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 30V | 300kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1735IS-1#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | 300kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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LTC3727EG#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 255kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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UC3874DW-1IC REG CTRLR BUCK 18SOIC |
0 | - |
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Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 9V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 18-SOIC |
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ISL78223AAZIC REG CTRLR FULL-BRIDGE 20QSOP |
601 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tube | Last Time Buy | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 9V ~ 16V | Up to 2MHz | 99% | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 105°C (TA) | Automotive | AEC-Q100 | Surface Mount | 20-QSOP |
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UC2886DIC REG CTRLR BUCK 16SOIC |
26 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10.3V ~ 20V | 85kHz ~ 115kHz | 85% | No | No | - | Enable, Frequency Control | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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UC3874N-2IC REG CTRLR BUCK 18DIP |
0 | - |
|
Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.4V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 18-PDIP |
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UC3874DW-21A, 300KHZ BIPOLAR, PDSO18 |
5,640 | - |
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Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.4V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 18-SOIC |
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UC3874DW-2IC REG CTRLR BUCK 18SOIC |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.4V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 18-SOIC |
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UCC2806DTRIC REG CTRLR MULT TOP 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 2 | 1 | 8V ~ 14.5V | 47kHz | 50% | Yes | No | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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TPS5633PWPRIC REG CTRLR BUCK 28HTSSOP |
0 | - |
|
Datasheet |
- | 28-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 11.4V ~ 13V | - | - | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 28-HTSSOP |
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UCC3806PWIC REG CTRLR MULT TOP 16TSSOP |
0 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 2 | 1 | 8V ~ 14.5V | 47kHz | 50% | Yes | No | - | Current Limit, Enable, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-TSSOP |
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UC2864DWTRSWITCHING CONTROLLER |
1,000 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 22V | 50kHz ~ 500kHz | 1 | No | No | - | Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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ZL8101ALAFIC REG CTRLR BUCK PMBUS 32QFN |
600 | - |
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Datasheet |
Digital-DC™ | 32-VFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 14V | 200kHz ~ 1.4MHz | 95% | Yes | Yes | I2C, PMBus, SMBus | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3827EG-1#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC3851AIMSE#TRPBFIC REG CTRLR BUCK 16MSOP |
0 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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LX1671CLQIC REG CTRLR BUCK 38MLPQ |
1,993 | - |
|
Datasheet |
LoadSHARE™ | 38-VFQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 4 | 2 | 4.5V ~ 5.5V | 300kHz | 85% | Yes | No | - | Current Limit, Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 38-MLPQ (5x7) |
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TPS40130RHBTIC REG CTRLR BUCK 32QFN |
0 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | 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 | 32-VQFN (5x5) |
