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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UCC2808ADTR-2IC REG CTRLR PUSH-PULL 8SOIC |
7,374 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Push-Pull | 2 | 1 | 4.1V ~ 15V | 194kHz | 49% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UCC2808DTR-2IC REG CTRLR PUSH-PULL 8SOIC |
4,128 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Push-Pull | 2 | 1 | 4.1V ~ 15V | 194kHz | 49% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
HV9112NG-GIC REG CTRLR FLYBACK 14SOIC |
180 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback, Forward Converter | 1 | 1 | 9V ~ 80V | 3MHz | 49.4% | No | No | - | Enable, Frequency Control, Reset | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 14-SOIC |
|
|
LM27403SQE/NOPBIC REG CTRLR BUCK 24WQFN |
3,007 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 200kHz ~ 1.2MHz | 93% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-WQFN (4x4) |
|
TPS51125RGERIC REG CTRLR BUCK 24QFN |
2,795 | - |
|
Datasheet |
D-CAP™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 5.5V ~ 28V | - | - | Yes | No | - | Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
|
UCC2891PWIC REG CTRLR MULT TOP 16TSSOP |
770 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.5V ~ 16V | 250kHz | 70% | No | Yes | - | Current Limit, Enable, On Time Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
|
UCC2891DIC REG CTRLR MULT TOP 16SOIC |
385 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.5V ~ 16V | 250kHz | 70% | No | Yes | - | Current Limit, Enable, On Time Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
LM51551QDSSTQ1POWER MANAGEMENT |
11,863 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 45V | 100kHz ~ 2.2MHz | 93% | No | Yes | - | Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 12-WSON (3x2) |
|
|
LM5155QDSSTQ1POWER MANAGEMENT |
9,192 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 45V | 100kHz ~ 2.2MHz | 93% | No | Yes | - | Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 12-WSON (3x2) |
|
HV9123NG-GIC REG CTRLR FLYBACK 16SOIC |
622 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 10V ~ 450V | 3MHz | 97% | No | No | - | Enable, Frequency Control, Reset | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SOIC |
|
UC28025DWRIC REG CTRLR MULT TOP 16SOIC |
1,142 | - |
|
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 | 2 | 9V ~ 30V | 340kHz ~ 460kHz | 45% | Yes | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
UC3573DIC REG CTRLR BUCK 8SOIC |
290 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 30V | 100kHz | 92% | No | No | - | Current Limit, Ramp | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
NCP81231MNTXGIC REG CTLR USB-PD 32QFN |
9,947 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 28V | 150kHz ~ 1.2MHz | 100% | Yes | No | I2C | Current Limit, Enable | -40°C ~ 100°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
MIC3809YMIC REG CTRLR MULT TOPOLOGY 8SOIC |
313 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 4.1V ~ 14V | 200kHz | 49% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LM25143RHAR3.5-V TO 42-V LOW-IQ, DUAL OUTPU |
4,763 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 42V | 100kHz ~ 2.2MHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 40-VQFN (6x6) |
|
TC105333ECTTRIC REG CTRLR BUCK SOT23-5 |
1,715 | - |
|
Datasheet |
- | SC-74A, SOT-753 | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.2V ~ 10V | 300kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 |
|
LM27402SQ/NOPBIC REG CTRLR BUCK 16WQFN |
2,681 | - |
|
Datasheet |
- | 16-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 200kHz ~ 1.2MHz | 95% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-WQFN (4x4) |
|
NCP81611MNTXGIC CTLR 4-PHASE 40QFN |
4,970 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 2.8V ~ 20V | 250kHz ~ 1.2MHz | - | Yes | No | I2C, PSI | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, SPI | -10°C ~ 100°C (TA) | - | - | Surface Mount | 40-QFN (5x5) |
|
MCP16502TAC-E/S8BPMIC FOR SAMA5DX/SAM9X6 MPUS |
18,299 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 4 | 4 | 2.7V ~ 5.5V | 2MHz | 100% | No | No | I2C | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-VQFN (5x5) |
|
MCP16502TAA-E/S8BPMIC FOR SAMA5DX/SAM9X6 MPUS |
3,722 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 4 | 4 | 2.7V ~ 5.5V | 2MHz | 100% | No | No | I2C | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-VQFN (5x5) |

