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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC3859AMPFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC3859EFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC3859IFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC3862EFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 4V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-TSSOP |
|
LTC3862EFE-1IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-TSSOP |
|
LTC3862EFE-2IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-TSSOP |
|
LTC3862EGN-1IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC3862EGN-2IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC3862EUHIC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-WQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 4V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (5x5) |
|
LTC3862EUH-1IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-WQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (5x5) |
|
LTC3862EUH-2IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-WQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (5x5) |
|
LTC3862HFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 4V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-TSSOP |
|
LTC3862HFE-1IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-TSSOP |
|
LTC3862HFE-2IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-TSSOP |
|
LTC3862HGN-1IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-SSOP |
|
LTC3862HGN-2IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-SSOP |
|
LTC3862HUHIC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-WQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 4V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
|
LTC3862HUH-1IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-WQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 8.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
|
LTC3862HUH-2IC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-WQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 5.5V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
|
LTC3862IFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 2 | 2 | 4V ~ 36V | 75kHz ~ 500kHz | 96% | No | Yes | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |

