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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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MAX16930BATLW/V+IC REG BCK/BST ADJ/3.3V5V 40TQFN |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 3.5V ~ 42V | 1MHz ~ 2.2MHz | 95% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 40-TQFN (6x6) |
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LT8210IFE#TRPBF100V BUCK/BOOST CTLR WITH PASS-T |
0 | - |
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Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 2.8V ~ 100V | 80kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LT8210AUJ-1#TRPBF100V, 15UA IQ, BUCK-BOOST CONTRO |
0 | - |
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Datasheet |
LT®8210-1 | 40-WFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 4 | 2.8V ~ 100V | 80kHz ~ 400kHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
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LTC1775CGN#TRPBFIC REG CTRLR BUCK/BCK-BST 16SSOP |
0 | - |
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Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | 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-SSOP |
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LT1680ISW#TRPBFIC REG CTLR BST/FWRD CONV 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Forward Converter | 1 | 1 | 9V ~ 60V | - | 90% | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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MAX5066EUI+TIC REG CTRLR BUCK 28TSSOP |
0 | - |
|
- |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 100kHz ~ 1MHz | - | Yes | No | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-TSSOP-EP |
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LTC1628IG#TRMPBFLTC1628IG#TRMPBF |
0 | - |
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- |
- | 28-SSOP (0.209", 5.30mm Width) | Cut Tape (CT) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 36V | 150kHz ~ 300kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C | - | - | Surface Mount | 28-SSOP |
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LTC1159CS-3.3#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 40V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1159CS#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 40V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1159CS-5#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 40V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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UCC3806NG4IC REG CTRLR MULT TOPOLOGY 16DIP |
0 | - |
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Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 2 | 1 | 8V ~ 14.5V | 47kHz | 50% | Yes | No | - | Current Limit, Enable, Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
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LTC1622CMS8#TRPBFIC REG CTRLR BUCK 8MSOP |
0 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2V ~ 10V | - | 100% | No | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-MSOP |
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LT3781IG#TRPBFIC REG CTRLR FWRD CONV 20SSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 9V ~ 18V | 700kHz | - | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SSOP |
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LTC3827IG-1#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 | 2 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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RAA228228GNP#MA0DIGITAL DUAL OUTPUT, 20-PHASE PW |
0 | - |
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Datasheet |
- | 68-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | - | Positive | - | 2 | 20 | - | 2MHz | - | No | No | SMBus | - | - | - | - | Surface Mount | 68-QFN (8x8) |
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LTC1435CGIC REG CTRLR BUCK 16SSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SSOP |
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LTC1929IG#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 | 2 | 4V ~ 36V | - | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC1436ACGN-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 | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC1436ACGN#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 | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SSOP |
|
MAX1540AETJ+TIC REG CTRLR BUCK 32TQFN |
0 | - |
|
- |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 5.5V ~ 28V | 170kHz ~ 620kHz | 100% | Yes | No | - | Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-TQFN (5x5) |

