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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LT8705IFE#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
1,201 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LT8705IFE#TRPBFIC REG CTRLR BUCK-BOOST 38TSSOP |
1,193 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC1625IS#TRPBFIC REG CTRLR BUCK/BOOST 16SOIC |
3,393 | - |
|
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 | 3.9V ~ 36V | 150kHz | 99% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
LTC1625IS#PBFIC REG CTRLR BUCK/BOOST 16SOIC |
298 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 3.9V ~ 36V | 150kHz | 99% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
LTC3886IUKG#PBFIC REG CTRLR BUCK PMBUS 52QFN |
339 | - |
|
Datasheet |
PolyPhase® | 52-WFQFN, 46 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 100kHz ~ 750kHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (7x8) |
|
LTC3779HFE#PBFIC REG CTRLR BUCK-BOOST 38-TSSOP |
23 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.5V ~ 150V | 50kHz ~ 600kHz | 90% | Yes | No | - | Current Limit, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC1625IGN#TRPBFIC REG CTRLR BUCK/BOOST 16SSOP |
1,505 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 3.9V ~ 36V | 150kHz | 99% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
LT1339ISW#TRPBFIC REG CTLR BST/FWRD CONV 20SOIC |
1,091 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Forward Converter | 1 | 1 | Up to 20V | - | 90% | No | Yes | - | Current Limit, Enable, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SO |
|
LT1339ISW#PBFIC REG CTLR BST/FWRD CONV 20SOIC |
496 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Forward Converter | 1 | 1 | Up to 20V | - | 90% | No | Yes | - | Current Limit, Enable, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SO |
|
LTC3777ELXE#PBF150V VIN AND VOUT SYNCHRONOUS 4- |
25 | - |
|
Datasheet |
- | 48-LQFP Exposed Pad | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4.5V ~ 150V | 50kHz ~ 600kHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 48-eLQFP (7x7) |
|
|
LTC3890MPUH#PBFIC REG CTRLR BUCK/SEPIC 32QFN |
321 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Tube | 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 | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
TPS40200HDIC REG CTRLR BUCK 8SOIC |
124 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 52V | 35kHz ~ 500kHz | 98% | No | No | - | Frequency Control, Soft Start | -55°C ~ 175°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC1871XMS#PBFIC REG CTRLR BOOST/SEPIC 10MSOP |
50 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 36V | 50kHz ~ 1MHz | 92% | No | Yes | - | Frequency Control | -40°C ~ 175°C (TJ) | - | - | Surface Mount | 10-MSOP |
|
LM5116WG/NOPBIC REG CTRLR BUCK 20-CFP |
58 | - |
|
Datasheet |
- | 20-CSOIC (0.275", 7.00mm Width) | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 100V | 200kHz, 535kHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-CFP |
|
|
TL494CDRIC REG CTRLR MULT TOP 16SOIC |
8,832 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 1kHz ~ 300kHz | 45% | No | No | - | Dead Time Control, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
TL494IDRIC REG CTRLR MULT TOP 16SOIC |
6,774 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 1kHz ~ 300kHz | 45% | No | No | - | Dead Time Control, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
SG3524NIC REG CTRLR MULT TOPOLOGY 16DIP |
22,993 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 40V | 450kHz | 45% | No | No | - | Current Limit, Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
|
TL494CPWRIC REG CTRLR MULT TOP 16TSSOP |
6,146 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 1kHz ~ 300kHz | 45% | No | No | - | Dead Time Control, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
TL494CNSRIC REG CTRLR MULT TOPOLOGY 16SO |
10,318 | - |
|
Datasheet |
- | 16-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 1kHz ~ 300kHz | 45% | No | No | - | Dead Time Control, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
|
TL2843BDR-8IC REG CTRLR MULT TOPOLOGY 8SOIC |
6,184 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |

