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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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LTC3872HTS8-1#TRMPBFIC REG CTRLR BOOST TSOT23-8 |
5,011 | - |
|
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 ~ 150°C (TJ) | - | - | Surface Mount | TSOT-23-8 |
|
|
MAX771CSA+IC REG CTRLR BOOST 8SOIC |
188 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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|
LT3758AEDD#PBFIC REG CTRLR MULT TOPOLOGY 10DFN |
63 | - |
|
Datasheet |
- | 10-WFDFN 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 ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
LTC3870EUFD#PBFIC REG CTRLR BUCK 28QFN |
16 | - |
|
Datasheet |
PolyPhase® | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 500kHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
|
LM5175RHFTIC REG CTRLR BUCK-BOOST 28VQFN |
387 | - |
|
Datasheet |
- | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 3.5V ~ 42V | 100kHz ~ 600kHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-VQFN (5x4) |
|
LTC3850EUFD#TRPBFIC REG CTRLR BUCK 28QFN |
2,130 | - |
|
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 (4x5) |
|
LTC3850EGN#PBFIC REG CTRLR BUCK 28SSOP |
143 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | 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-SSOP |
|
LTC3850EUFD#PBFIC REG CTRLR BUCK 28QFN |
136 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tube | 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 (4x5) |
|
LT1247CS8#PBFIC REG CTRLR BUCK 8SOIC |
52 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8.4V ~ 25V | 1MHz | 100% | No | No | - | Frequency Control | 0°C ~ 100°C (TJ) | - | - | Surface Mount | 8-SO |
|
|
MAX1649CSA+IC REG CTRLR BUCK 8SOIC |
6,097 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16V | Up to 300kHz | 96.5% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
MAX1649CPA+IC REG CTRLR BUCK 8DIP |
131 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16V | Up to 300kHz | 96.5% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
MAX1651CSA+IC REG CTRLR BUCK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16V | Up to 300kHz | 96.5% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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LTC7805RUFDM#TRPBF40V DUAL LOW IQ, 100% DC SYNC BU |
2,361 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Adjustable | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | Power Good | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 28-QFN (4x5) |
|
UC2825ANIC REG CTRLR MULT TOPOLOGY 16DIP |
185 | - |
|
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 | 8.4V ~ 22V | 400kHz ~ 1MHz | 50% | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
LTC3863IDE#PBFIC REG CTRLR BUCK 12DFN |
250 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | - | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-DFN (4x3) |
|
LTC7804HUD#PBFLOW IQ SYNCH BOOST CONTROLLER |
104 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | - | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
|
LTC7804HMSE#PBFLOW IQ SYNCH BOOST CONTROLLER |
71 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | - | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
|
LTC1622CMS8#PBFIC REG CTRLR BUCK 8MSOP |
128 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | 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 |
|
|
MAX770ESA+IC REG CTRLR BOOST 8SOIC |
145 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC3807EFE#TRPBFIC REG CTRLR BUCK 20TSSOP |
4,592 | - |
|
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 | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
