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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC3851AEGN#PBFIC REG CTRLR BUCK 16SSOP |
104 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SSOP |
|
LTC3851EUD-1#PBFIC REG CTRLR BUCK 16QFN |
30 | - |
|
Datasheet |
- | 16-WFQFN 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-QFN (3x3) |
|
LTC3851EMSE#PBFIC REG CTRLR BUCK 16MSOP |
17 | - |
|
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 | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-MSOP-EP |
|
MAX15157BATJ+60V H-BRIDGE STEP-UP/STEP-DOWN C |
36 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 4 | 8V ~ 60V | 120kHz ~ 1MHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 32-TQFN (5x5) |
|
MAX8546EUB+TIC REG CTRLR BUCK 10UMAX |
13,380 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 28V | 300kHz | 86% | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
ISL8117FVEZIC REG CTRLR BUCK 16QFN |
1,526 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 60V | 100kHz ~ 2MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-HTSSOP |
|
UCC2895NIC OFFLINE SW FULL-BRDG 20DIP |
198 | - |
|
Datasheet |
- | 20-DIP (0.300", 7.62mm) | Tube | Active | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | -40°C ~ 85°C (TA) | - | - | Through Hole | 20-PDIP |
|
UC2525BNIC REG CTRLR MULT TOPOLOGY 16DIP |
200 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
LTC3822EDD-1#PBFIC REG CTRLR BUCK 12DFN |
195 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 4.5V | 300kHz, 550kHz, 750kHz | 99% | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-DFN (3x3) |
|
LT3758HMSE#PBFIC REG CTRLR MULT TOP 10MSOP |
2,364 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (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 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC3879EUD#PBFIC REG CTRLR BUCK 16QFN |
527 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 38V | - | - | Yes | No | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
|
LTC3805HMSE#PBFIC REG CTRLR FLYBACK 10MSOP |
432 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 3.95V ~ 9.5V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC3805HMSE-5#PBFIC REG CTRLR MULT TOP 10MSOP |
164 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 3.95V ~ 9.5V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
MAX15046BAEE+TIC REG CTRLR BUCK 16QSOP |
7,001 | - |
|
Datasheet |
- | 16-LSSOP (0.154", 3.90mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 1MHz | 87.5% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QSOP-EP |
|
LT1245IN8#PBFIC REG CTRLR BUCK 8DIP |
160 | - |
|
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 |
|
|
LTC3872EDDB#TRMPBFIC REG CTRLR BOOST 8DFN |
2,776 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-DFN (3x2) |
|
LTC3872ETS8-1#TRMPBFIC REG CTRLR BOOST TSOT23-8 |
817 | - |
|
Datasheet |
- | SOT-23-8 Thin, TSOT-23-8 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-8 |
|
LTC3803HS6-5#TRMPBFIC REG CTRLR FLYBACK TSOT23-6 |
500 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 4V ~ 8.1V | 200kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 150°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
LTC3775EMSE#PBFIC REG CTRLR BUCK 16MSOP |
466 | - |
|
Datasheet |
PolyPhase® | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 250kHz ~ 1MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-MSOP-EP |
|
LTC7803EUD#PBFLOW IQ SYNCHRONOUS BUCK CONTROLL |
89 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |

