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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MP8670DN-LF-ZIC REG CTRLR BUCK 8SOIC |
2,285 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 30V | 420kHz | 90% | No | Yes | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOICE |
|
TPS40140RHHTIC REG CTRLR BUCK 36QFN |
657 | - |
|
Datasheet |
- | 36-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 15V | 150kHz ~ 1MHz | 87.5% | Yes | No | - | Current Limit, Frequency Control, Phase Control, Power Good, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-VQFN (6x6) |
|
MPQ3910AGK-AEC1-P35V, BOOST PWM CONTROLLER WITH C |
225 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback | 1 | 1 | 7V ~ 35V | 30kHz ~ 400kHz | 95% | No | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 10-MSOP |
|
LM25118Q1MHE/NOPBIC REG CTRLR BUCK 20TSSOP |
449 | - |
|
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) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
LTC1622CS8#PBFIC REG CTRLR BUCK 8SOIC |
2,706 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2V ~ 10V | - | 100% | No | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SO |
|
LTC3854EDDB#TRPBFIC REG CTRLR BUCK 12DFN |
2,200 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 400kHz | 98% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-DFN (3x2) |
|
LTC3854EDDB#TRMPBFIC REG CTRLR BUCK 12DFN |
642 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 400kHz | 98% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-DFN (3x2) |
|
ISL81601FVEZ60V 4 SWITCH SYNCH BUCK-BOOST PW |
400 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | PWM Signal | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 4.5V ~ 60V | 90kHz ~ 650kHz | - | Yes | Yes | - | Current Limit, Enable, Power Good | -40°C ~ 125°C (TA) | - | - | Surface Mount | 38-HTSSOP |
|
UCC28950QPWRQ1IC REG CTRLR FULL-BRIDGE 24TSSOP |
3,695 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge | 6 | 1 | 8V ~ 17V | 50kHz ~ 1MHz | 95% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-TSSOP |
|
MAX17557ATP+IC REG CTRLR BUCK 20-TQFN |
1,252 | - |
|
Datasheet |
- | 20-WFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 60V | 100kHz ~ 2.2MHz | - | Yes | No | - | Enable | -40°C ~ 125°C | - | - | Surface Mount | 20-TQFN (4x4) |
|
LM25119PSQ/NOPBIC REG CTRLR BUCK 32WQFN |
3,072 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 42V | 50kHz ~ 750kHz | - | Yes | No | - | Enable, Frequency Control, Ramp, Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-WQFN (5x5) |
|
|
TPS59632QRHBRQ1IC REG CTRLR BUCK 32VQFN |
3,000 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 1 | 3 | 2.5V ~ 24V | 300kHz ~ 1MHz | - | Yes | Yes | I2C | Current Limit, Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 32-VQFN (5x5) |
|
UCC28951PWTGREEN PHASE-SHIFTED FULL-BRIDGE |
800 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | - | Positive | Full-Bridge | 6 | 1 | 8V ~ 17V | Up to 1MHz | 95% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
|
MAX16990ATCD/V+TIC REG CTRLR BOOST/SEPIC 12TQFN |
2,336 | - |
|
Datasheet |
- | 12-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 1 | 1 | 4.5V ~ 36V | 220kHz ~ 1MHz | 93% | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 12-TQFN (3x3) |
|
LTC3878EGN#TRPBFIC REG CTRLR BUCK 16SSOP |
5,850 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 38V | - | - | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
LTC3851EUD#TRPBFIC REG CTRLR BUCK 16QFN |
5,356 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 250kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
|
LTC3851AEMSE-1#TRPBFIC REG CTRLR BUCK 16MSOP |
4,357 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
|
LTC3851EUD#PBFIC REG CTRLR BUCK 16QFN |
1,332 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 250kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
|
LTC3851AEMSE-1#PBFIC REG CTRLR BUCK 16MSOP |
332 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
|
LTC3851EMSE-1#PBFIC REG CTRLR BUCK 16MSOP |
252 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 250kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-MSOP-EP |

