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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LT1619ES8#TRPBFIC REG CTRLR MULT TOPOLOGY 8SOIC |
10,601 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 1.9V ~ 18V | 300kHz | 92% | No | Yes | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SO |
|
LT8316EFE#TRPBF600VIN MICROPOWER, ISOLATED NO-O |
14,548 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 16V ~ 600V | 220Hz ~ 140kHz | - | Yes | - | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
|
LT8316EFE#PBF600VIN MICROPOWER, ISOLATED NO-O |
704 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 16V ~ 600V | 220Hz ~ 140kHz | - | Yes | - | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
|
|
MAX1771CSA+TIC REG CTRLR BST/BUCK-BST 8SOIC |
3,183 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Buck-Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | 92% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
MAX1771CSA+IC REG CTRLR BST/BUCK-BST 8SOIC |
1,490 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Buck-Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | 92% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC3801ES6#TRMPBFIC REG CTRLR BUCK TSOT23-6 |
985 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.4V ~ 9.8V | 550kHz | 100% | No | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-6 |
|
LT3757IMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
5,071 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.9V ~ 40V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LT3757AIMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
2,775 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.9V ~ 40V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LT8316IFE#TRPBF600VIN MICROPOWER, ISOLATED NO-O |
2,590 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 16V ~ 600V | 220Hz ~ 140kHz | - | Yes | - | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
|
LT3742EUF#PBFIC REG CTRLR BUCK 24QFN |
731 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 500kHz | 100% | No | No | - | Enable, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (4x4) |
|
LTC3824IMSE#TRPBFIC REG CTRLR BUCK 10MSOP |
2,755 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 60V | 200kHz ~ 600kHz | 100% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
|
LT3758EDD#TRPBFIC REG CTRLR MULT TOPOLOGY 10DFN |
9,187 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
LT3759EMSE#PBFIC REG CTRLR MULT TOP 12MSOP |
6,661 | - |
|
Datasheet |
- | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 1.6V ~ 42V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
|
LT3759EMSE#TRPBFIC REG CTRLR MULT TOP 12MSOP |
5,177 | - |
|
Datasheet |
- | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 1.6V ~ 42V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
|
LT3758EMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
4,816 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
|
LT3758AEDD#TRPBFIC REG CTRLR MULT TOPOLOGY 10DFN |
2,949 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
LT3758AEMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
2,946 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC3850EUF#TRPBFIC REG CTRLR BUCK 28QFN |
3,732 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 24V | 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 (4x4) |
|
|
LTC7819RUJ#TRPBFLOW IQ TRIPLE OUTPUT BUCK CONTRO |
439 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Current Limit, Frequency Control, Power Good | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
LTC3833EUDC#TRPBFIC REG CTRLR BUCK 20QFN |
4,494 | - |
|
Datasheet |
- | 20-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 200kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-QFN (3x4) |

