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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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UC3845BVD1R2GIC REG CTRLR BOOST/FLYBACK 8SOIC |
23,792 | - |
|
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 | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC3842BVD1R2GIC REG CTRLR BST FLYBK ISO 8SOIC |
11,872 | - |
|
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 | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
UC3843BVD1R2GIC REG CTRLR FLYBACK 8SOIC |
6,782 | - |
|
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 | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UC3843ANIC REG CTRLR MULT TOPOLOGY 8DIP |
192 | - |
|
Datasheet |
UCx84xA | 8-DIP (0.300", 7.62mm) | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
UC3843BD1GIC REG CTRLR FLYBACK 8SOIC |
3,618 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | 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 |
|
UC3842ANIC REG CTRLR PWM CM 8DIP |
213 | - |
|
Datasheet |
UCx84xA | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3843NIC REG CTRLR MULT TOPOLOGY 8DIP |
369 | - |
|
Datasheet |
UCx84x | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC2844NIC PWM BOOST FLYBCK ISO CM 8DIP |
2,000 | - |
|
Datasheet |
UCx84x | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3843BVDR2GIC REG CTRLR FLYBACK 14SOIC |
9,109 | - |
|
Datasheet |
- | 14-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 | -40°C ~ 105°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC2844BDR2GIC REG CTRLR PWM CM 14-SOIC |
7,760 | - |
|
Datasheet |
- | 14-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 | 14-SOIC |
|
UC2843BDR2GIC REG CTRLR FLYBACK 14SOIC |
2,434 | - |
|
Datasheet |
- | 14-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 | 14-SOIC |
|
UC3844BDR2GIC REG CTRLR PWM CM 14-SOIC |
429 | - |
|
Datasheet |
- | 14-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 | 14-SOIC |
|
UC2842ANIC CUR-MODE PWM CONT 8-DIP |
710 | - |
|
Datasheet |
UCx84xA | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC2843ANIC REG CTRLR MULT TOPOLOGY 8DIP |
412 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C ~ 85°C (TA) | Automotive | AEC-Q100 | Through Hole | 8-PDIP |
|
|
TPS53015DGSRIC REG CTRLR BUCK 10MSOP |
6,949 | - |
|
Datasheet |
D-CAP2™, Eco-Mode™ | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 28V | 500kHz | - | Yes | No | - | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-VSSOP |
|
UC3844DIC REG CTRLR PWM CM 14-SOIC |
1,036 | - |
|
Datasheet |
UCx84x | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC3842BDR2GIC REG CTRLR PWM CM 14-SOIC |
6,394 | - |
|
Datasheet |
- | 14-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 | 14-SOIC |
|
|
LM3485MMX/NOPBIC REG CTRLR BUCK 8VSSOP |
11,950 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 35V | - | 100% | No | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
UC2525ADWTRIC REG CTRLR MULT TOP 16SOIC |
698 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
MIC2101YML-TRIC REG CTRLR BUCK 16MLF |
13,522 | - |
|
Datasheet |
HyperLight Load® | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 200kHz ~ 600kHz | 85% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MLF® (3x3) |

