Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UC2844BNIC REG CTRLR PWM CM 8-MINIDIP |
1,512 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Through Hole | 8-Mini DIP |
|
|
UC3842ADIC REG CTRLR PWM CM 14SOIC |
444 | - |
|
Datasheet |
UCx84xA | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
|
UC3843ADIC REG CTRLR MULT TOP 14SOIC |
161 | - |
|
Datasheet |
UCx84xA | 14-SOIC (0.154", 3.90mm Width) | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
|
UCC28C43DGKRIC REG CTRLR MULT TOP 8VSSOP |
3,415 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 18V | Up to 1MHz | 96% | No | No | - | Frequency Control | -40°C ~ 105°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
LV5144RGYR95-VSYNCHRONOUS DC/DC BUCK CONTR |
2,419 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 95V | 100kHz ~ 1MHz | 99% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Sync, Tracking | -40°C ~ 125°C (TA) | - | - | Surface Mount, Wettable Flank | 20-VQFN (4.5x3.5) |
|
UCC25600DIC REG CTRLR HALF-BRIDGE 8SOIC |
334 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Half-Bridge | 2 | 1 | 11.5V ~ 18V | 40kHz ~ 350kHz | - | No | No | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
HV9150K6-GIC REG CTRLR BOOST 16VQFN |
7,585 | - |
|
Datasheet |
- | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.7V ~ 4.5V | 40kHz ~ 400kHz | 87.5% | No | No | - | Enable, Frequency Control | -25°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
|
TS34063CS RLGSWITCHING REGULATOR, DC-DC, BUCK |
3,853 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 3V ~ 40V | 33kHz | - | No | No | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
UC3844ANIC REG CTRLR PWM CM 8DIP |
519 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
UC3842BD1R2GIC REG CTRLR BST FLYBK ISO 8SOIC |
8,978 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC3844BD1R2GIC REG CTRLR PWM CM 8-SOIC |
5,921 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC3845BD1R2GIC REG CTRLR BOOST/FLYBACK 8SOIC |
5,002 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC3843BD1R2GIC REG CTRLR FLYBACK 8SOIC |
4,637 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC2845BD1R2GIC REG CTRLR BOOST/FLYBACK 8SOIC |
3,628 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC2844BD1R2GIC REG CTRLR PWM CM 8-SOIC |
3,343 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC2843BD1R2GIC REG CTRLR FLYBACK 8SOIC |
1,060 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UC3845NIC REG CTRLR MULT TOPOLOGY 8DIP |
1,039 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3844NIC REG CTRLR PWM CM 8DIP |
487 | - |
|
Datasheet |
UCx84x | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
TL2844PIC REG CTRLR BST FLYBK PWM 8-DIP |
539 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3842NIC REG CTRLR PWM CM 8DIP |
726 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |

