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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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LTC1438CG#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1538CG-AUX#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
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Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SSOP |
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UC2823AQG3IC REG CTRLR MULT TOP 20PLCC |
0 | - |
|
Datasheet |
- | 20-LCC (J-Lead) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 8.4V ~ 22V | 400kHz ~ 1MHz | 100% | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |
|
LTC1142CG#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 18V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC1629CG-PG#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 220kHz | 99.5% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LT8228HFE#TRPBFSWITCHING VOLTAGE REGULATORS 100 |
0 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 6V ~ 100V | 80kHz ~ 600kHz | - | Yes | Yes | - | - | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LTC1436AIGN#TRPBFIC REG CTRLR BUCK 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC1436AIGN-PLL#TRPBFIC REG CTRLR BUCK 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
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LTC7880EUKG#TRPBF60V DUAL STEP-UP CONTROLLER WITH |
0 | - |
|
Datasheet |
- | 52-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 5V ~ 40V | 50kHz ~ 500kHz | 92% | Yes | Yes | I2C, PMBus | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (7x8) |
|
LT8708HUHG-1#TRPBF80V SYNCHRONOUS 4-SWITCH BUCK-BO |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | 80% | Yes | Yes | - | - | -40°C ~ 150°C | - | - | Surface Mount | 40-QFN (5x8) |
|
LTC3807MPFE#TRPBFIC REG CTRLR BUCK 20TSSOP |
0 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 50kHz ~ 900kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
|
LTC1142HVCG#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 18V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1142HVCG-ADJ#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 18V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1142LCG-ADJ#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 18V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1439CGW#TRPBFIC REG CTRLR BUCK 36SSOP |
0 | - |
|
Datasheet |
- | 36-BSOP (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LTC1539CGW#TRPBFIC REG CTRLR BUCK 36SSOP |
0 | - |
|
Datasheet |
- | 36-BSOP (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LTC3780MPG#TRPBFIC REG CTRLR BUCK-BOOST 24SSOP |
0 | - |
|
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 | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 24-SSOP |
|
LTC1439CG#TRPBFIC REG CTRLR BUCK 36SSOP |
0 | - |
|
Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LT8204RFE#TRPBF40V H-BRIDGE CONTROLLER W/ CURRE |
0 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge | 2 | 2 | 5.5V ~ 40V | 100kHz ~ 1MHz | - | Yes | Yes | SPI | Current Limit, Dead Time Control, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC1142HVCG-ADJ#PBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 18V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SSOP |

