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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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LTC3862IFE-1IC POWER MANAGEMENT |
0 | - |
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- |
- | 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 ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
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LTC3862IFE-2IC POWER MANAGEMENT |
0 | - |
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- |
- | 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 ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
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LTC3862IGN-1IC POWER MANAGEMENT |
0 | - |
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- |
- | 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 ~ 125°C (TJ) | - | - | Surface Mount | 24-SSOP |
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LTC3862IGN-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 ~ 125°C (TJ) | - | - | Surface Mount | 24-SSOP |
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LTC3862IUHIC POWER MANAGEMENT |
0 | - |
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- |
- | 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 ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
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LTC3862IUH-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 ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
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LTC3862IUH-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 ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (5x5) |
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LTC3865EFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 770kHz | 95% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LTC3865IFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 770kHz | 95% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LTC3866EFEIC POWER MANAGEMENT |
0 | - |
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- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 250kHz ~ 770kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
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LTC3866IFEIC POWER MANAGEMENT |
0 | - |
|
- |
- | 24-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 250kHz ~ 770kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
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LTC3868IGN-1IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 24V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC3869IGN-2IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 38V | 250kHz ~ 780kHz | 95% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
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LTC3871ELXEIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
PolyPhase® | 48-LQFP Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | Programmable | 1.2V ~ 100V | 60kHz ~ 460kHz | 98% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount | 48-eLQFP (7x7) |
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LTC3871HLXEIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
PolyPhase® | 48-LQFP Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | Programmable | 1.2V ~ 100V | 60kHz ~ 460kHz | 98% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 150°C (TA) | - | - | Surface Mount | 48-eLQFP (7x7) |
|
LTC3871ILXEIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
PolyPhase® | 48-LQFP Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | Programmable | 1.2V ~ 100V | 60kHz ~ 460kHz | 98% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount | 48-eLQFP (7x7) |
|
LTC3875IUHIC POWER MANAGEMENT |
0 | - |
|
- |
- | 40-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 720kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (5x5) |
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LTC3882BIUJIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
PolyPhase® | 40-WFQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 13.8V | 500kHz | 87.5% | No | Yes | I2C, PMBus | Enable, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
|
LTC3883EUHIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 24V | - | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 105°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
|
LTC3883EUH-1IC POWER MANAGEMENT |
0 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 24V | - | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 105°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |

