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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UC3572DIC REG CTRLR FLYBACK 8SOIC |
21 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Negative | Flyback | 1 | 1 | 4.75V ~ 30V | 100kHz | 92% | No | No | - | Current Limit, Ramp | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
HV9113NG-GIC REG CTRLR FLYBACK 14SOIC |
101 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback, Forward Converter | 1 | 1 | 10V ~ 120V | 3MHz | 97% | No | No | - | Enable, Frequency Control, Reset | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 14-SOIC |
|
MP3900DK-LF-ZIC REG CTRLR BOOST 8MSOP |
2,721 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 8.6V ~ 12V | 330kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-MSOP |
|
TPS51218DSCTIC REG CTRLR BUCK 10WSON |
143 | - |
|
Datasheet |
D-CAP™ | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 6.5V | - | - | Yes | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WSON (3x3) |
|
TPS51727RHATIC REG CTRLR BUCK 40VQFN |
740 | - |
|
Datasheet |
D-CAP+™, Eco-Mode™ | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 28V | 200kHz, 300kHz, 400kHz, 500kHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Power Good | -10°C ~ 100°C (TA) | - | - | Surface Mount | 40-VQFN (6x6) |
|
|
MAX20458ATIA/VY+36V DUAL 3.5A & 1.5A SYNC BUCK C |
319 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3.5V ~ 36V | 2.1MHz | - | Yes | Yes | - | - | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 28-TQFN (5x5) |
|
ISL6545ACBZ-TIC REG CTRLR BUCK 8SOIC |
4,535 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 14.4V | 600kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TPS40061PWPRIC REG CTRLR BUCK 16HTSSOP |
1,290 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10V ~ 55V | Up to 1MHz | 98% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
LM3151MHE-3.3/NOPBIC REG CTRLR BUCK 14TSSOP |
1,319 | - |
|
Datasheet |
SIMPLE SWITCHER® | 14-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 42V | 250kHz | - | Yes | No | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-HTSSOP |
|
TPS40131RHBTIC REG CTRLR BUCK 32QFN |
222 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 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) |
|
LT1241IN8#PBFIC REG CTRLR BUCK 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 8.2V ~ 25V | 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 100°C (TA) | - | - | Through Hole | 8-PDIP |
|
TPS51125ARGETIC REG CTRLR BUCK 24QFN |
719 | - |
|
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) |
|
ISL6744AAUZIC REG CTRLR MULT TOPOLOGY 8MSOP |
1,784 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge | 1 | 1 | 9V ~ 16V | Up to 1MHz | 99% | Yes | No | - | Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-MSOP |
|
TPS40322RHBTIC REG CTRLR BUCK 32QFN |
495 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 20V | 100kHz ~ 1MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-VQFN (5x5) |
|
LTC7852EUFD-1#PBF6-PHASE BUCK CONTROLLER DRIVES D |
0 | - |
|
Datasheet |
- | 36-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 6 | 4.5V ~ 5.5V | 200kHz ~ 1.2MHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 36-QFN (4x5) |
|
MIC2199YML-TRIC REG CTRLR BUCK 12MLF |
5,000 | - |
|
Datasheet |
- | 12-VFDFN Exposed Pad, 12-MLF® | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 32V | 300kHz | 85% | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-MLF™ (4x4) |
|
LTC3850IUFD#PBFIC REG CTRLR BUCK 28QFN |
0 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 250kHz ~ 780kHz | 97.2% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-QFN (4x5) |
|
|
LTC3809EDD#PBFIC REG CTRLR BUCK 10DFN |
0 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 9.8V | 460kHz ~ 635kHz | 100% | Yes | Yes | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-DFN (3x3) |
|
BD9300F-E2IC REG CTRLR BUCK/BOOST 14-SOP |
3,868 | - |
|
Datasheet |
- | 14-SOIC (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 3.6V ~ 35V | 20kHz ~ 800kHz | 100% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOP |
|
LM5642XMHX/NOPBIC REG CTRLR BUCK 28TSSOP |
1,649 | - |
|
Datasheet |
- | 28-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 375kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-HTSSOP |

