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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LM5143QRHARQ1AUTOMOTIVE, 3.5-V TO 65-V LOW-IQ |
1,669 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 65V | 100kHz ~ 2.2MHz | - | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount, Wettable Flank | 40-VQFN (6x6) |
|
LM5088MH-1/NOPBIC REG CTRLR BUCK 16HTSSOP |
2,330 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | 50kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-HTSSOP |
|
LM5088MH-2/NOPBIC REG CTRLR BUCK 16HTSSOP |
368 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | 50kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-HTSSOP |
|
LM5121MHX/NOPBIC REG CTRLR BOOST 20HTSSOP |
13,268 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 65V | Up to 1MHz | 100% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
TPS40057PWPRIC REG CTRLR BUCK 16HTSSOP |
3,460 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | Up to 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
|
UCC28220DRIC REG CTRLR MULT TOP 16SOIC |
2,881 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback, Forward Converter | 2 | 1 | 8.4V ~ 14.5V | 200kHz ~ 2MHz | 75% | No | No | - | Ramp, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LM5146RGYRIC REG CTRLR BUCK 20VQFN |
975 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | 99% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount, Wettable Flank | 20-VQFN (3.5x4.5) |
|
ISL8843AMBZIC REG CTRLR BOOST/FLYBACK 8SOIC |
859 | - |
|
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 | 9V ~ 30V | Up to 2MHz | 96% | No | No | - | Current Limit, Frequency Control | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
TPS40054PWPRIC REG CTRLR BUCK 16HTSSOP |
5,072 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | Up to 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
MIC2182YMIC REG CTRLR BUCK 16SOIC |
160 | - |
|
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 |
|
NCP1566MNTXGIC PWM CTLR ACT CLAMP 24QFN |
2,544 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 6.5V ~ 120V | 100kHz ~ 1MHz | 80.5% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Ramp, Soft Start, Sync | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-QFN (4x4) |
|
|
UCC2581DIC REG CTRLR MULT TOP 14SOIC |
210 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 6.8V ~ 15V | Up to 100kHz | 84% | No | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
LM25118MHX/NOPBIC REG CTRLR BUCK 20TSSOP |
4,825 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 3V ~ 42V | Up to 500kHz | 75% | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
LM5145RGYTIC REG CTRLR BUCK 20VQFN |
1,371 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 75V | 100kHz ~ 1MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 20-VQFN (3.5x4.5) |
|
LM5088QMH-1/NOPBIC REG CTRLR BUCK 16TSSOP |
486 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | 50kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-HTSSOP |
|
TPS51120RHBTIC REG CTRLR BUCK 32QFN |
571 | - |
|
Datasheet |
D-CAP™ | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 28V | - | - | Yes | No | - | Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-VQFN (5x5) |
|
|
LM25117PSQ/NOPBIC REG CTRLR BUCK 24WQFN |
1,000 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 750kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-WQFN (4x4) |
|
LM25116MH/NOPBIC REG CTRLR BUCK 20TSSOP |
590 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 42V | 50kHz ~ 1MHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
LM25117PMHE/NOPBIC REG CTRLR BUCK 20TSSOP |
318 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 750kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
TPS40054PWPIC REG CTRLR BUCK 16HTSSOP |
1,426 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | Up to 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |

