Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LT8711EUDCIC REG BUCK |
0 | - |
|
- |
- | 20-WFQFN Exposed Pad | Tube | Obsolete | PWM | Step-Up, Step-Down | Positive | Buck, Boost, Buck-Boost, SEPIC | 1 | - | 4.5V ~ 42V | 100kHz ~ 750kHz | 100% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 20-QFN (3x4) |
|
LT8711IUDCIC REG BUCK |
0 | - |
|
- |
- | 20-WFQFN Exposed Pad | Tube | Obsolete | PWM | Step-Up, Step-Down | Positive | Buck, Boost, Buck-Boost, SEPIC | 1 | - | 4.5V ~ 42V | 100kHz ~ 750kHz | 100% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 20-QFN (3x4) |
|
LTC3707IGN-SYNCIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 220kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC3722HGN-1IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 2 | 2 | 3.8V ~ 10.25V | - | 98.5% | Yes | Yes | - | Current Limit, Ramp, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-SSOP |
|
LTC3722IGN-1IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 2 | 2 | 3.8V ~ 10.25V | - | 98.5% | Yes | Yes | - | Current Limit, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC3722IGN-2IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 2 | 2 | 3.8V ~ 10.25V | - | 98.5% | Yes | Yes | - | Current Limit, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC3728LEGN-1IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
|
LTC3780EUHIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Obsolete | 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 | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
|
LTC3780IUHIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Obsolete | 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 | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
|
LTC3780MPUHIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Obsolete | 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 | 32-QFN (5x5) |
|
LTC3785EUFIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 2.7V ~ 10V | 100kHz ~ 1MHz | 99% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
LTC3785EUF-1IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 2.7V ~ 10V | 100kHz ~ 1MHz | 99% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
LTC3785IUFIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 2.7V ~ 10V | 100kHz ~ 1MHz | 99% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (4x4) |
|
LTC3787EGNIC POWER MANAGEMENT |
0 | - |
|
- |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LTC3787HGNIC POWER MANAGEMENT |
0 | - |
|
- |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LTC3787IGNIC POWER MANAGEMENT |
0 | - |
|
- |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LTC3787MPGNIC POWER MANAGEMENT |
0 | - |
|
- |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LTC3822EDD-1IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tube | Obsolete | 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) |
|
|
LTC3828EUHIC POWER MANAGEMENT |
0 | - |
|
- |
- | 32-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Phase Control, Power Good, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC3829EFEIC POWER MANAGEMENT |
0 | - |
|
- |
PolyPhase® | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 38V | 250kHz ~ 770kHz | 94% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |

