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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ADP5054ACPZ-R7IC REG CTRLR BUCK 48LFCSP |
1,407 | - |
|
Datasheet |
- | 48-WFQFN Exposed Pad, CSP | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 4 | 2 | 4.5V ~ 15.5V | 250kHz ~ 2MHz | 50% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-LFCSP (7x7) |
|
LTC3728EG#TRPBFIC REG CTRLR BUCK 28SSOP |
1,267 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC7810ELXE#PBF150V LOW IQ, DUAL, 2-PHASE SYNCH |
237 | - |
|
Datasheet |
- | 48-LQFP Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 140V | 105kHz ~ 780kHz | 100% | Yes | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 48-eLQFP (7x7) |
|
|
LTC3780EUH#TRPBFIC REG CTRLR BUCK-BOOST 32QFN |
4,397 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 30V | 200kHz ~ 400kHz | 99% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC3780EG#TRPBFIC REG CTRLR BUCK-BOOST 24SSOP |
3,222 | - |
|
Datasheet |
- | 24-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 30V | 200kHz ~ 400kHz | 99% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 24-SSOP |
|
|
LTC3780EUH#PBFIC REG CTRLR BUCK-BOOST 32QFN |
1,789 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 30V | 200kHz ~ 400kHz | 99% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC3780EG#PBFIC REG CTRLR BUCK-BOOST 24SSOP |
441 | - |
|
Datasheet |
- | 24-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 30V | 200kHz ~ 400kHz | 99% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 24-SSOP |
|
|
LTC7821EUH#TRPBFIC REG CTRLR BUCK HYBRID 32QFN |
2,415 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 2 | 10V ~ 72V | 200kHz ~ 1.5MHz | 40% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
LT3790IFE#TRPBFIC REG CTRLR BUCK-BOOST 38TSSOP |
3,020 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 4.7V ~ 60V | 200kHz ~ 700kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LT3790IFE#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
843 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 4.7V ~ 60V | 200kHz ~ 700kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LTC3890IUH#TRPBFIC REG CTRLR BUCK/SEPIC 32QFN |
2,951 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
LT8390HFE#TRPBF60V SYNCHRONOUS 4-SWITCH BUCK-BO |
1,975 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 60V | 190kHz ~ 630kHz | 95% | Yes | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
|
|
LTC3708EUH#PBFIC REG CTRLR BUCK 32QFN |
1,106 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.2V ~ 36V | - | - | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC3727EG-1#PBFIC REG CTRLR BUCK 28SSOP |
141 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 255kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC3789IGN#TRPBFIC REG CTRLR BUCK-BOOST 28SSOP |
2,100 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 4V ~ 38V | 200kHz ~ 640kHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LTC3789IUFD#TRPBFIC REG CTRLR BUCK-BOOST 28QFN |
1,366 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 4V ~ 38V | 200kHz ~ 640kHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
|
LTC1625CS#TRPBFIC REG CTRLR BUCK/BOOST 16SOIC |
2,996 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 3.7V ~ 36V | 150kHz | 99% | Yes | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
|
LTC3895HFE#PBFIC REG CTRLR BUCK 38TSSOP |
1,441 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 140V | 50kHz ~ 900kHz | 100% | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC1775CS#PBFIC REG CTRLR BUCK/BCK-BST 16SOIC |
641 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive or Negative | Buck, Buck-Boost | 1 | 1 | 4V ~ 36V | 150kHz | 99% | Yes | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
|
LTC1628IG#TRPBFIC REG CTRLR BUCK 28SSOP |
1,907 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 220kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |

