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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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MCP19061-E/RTB4 SWITCH BUCK BOOST CONTROLLER W |
0 | - |
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- |
- | 32-VFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 4.5V ~ 42V | - | 90% | Yes | Yes | I2C | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 32-VQFN (5x5) |
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LM3153MHE-3.3/NOPBIC REG CTRLR BUCK 14TSSOP |
14 | - |
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Datasheet |
SIMPLE SWITCHER® | 14-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 18V | 750kHz | - | Yes | No | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-HTSSOP |
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LM5148PSQRGYRQ1AUTOMOTIVE, 80V SYNCHRONOUS BUCK |
0 | - |
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- |
- | 19-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 2 | 3.5V ~ 80V | 100kHz ~ 2.2MHz | 100% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 19-VQFN (4.5x3.5) |
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LTC3809IDD-1#PBFIC REG CTRLR BUCK 10DFN |
0 | - |
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Datasheet |
- | 10-WFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 9.8V | 550kHz | 100% | Yes | No | - | Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-DFN (3x3) |
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ISL6722AABZIC REG CTRLR BOOST/FLYBK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
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LTC3856IFE#PBFIC REG CTRLR BUCK 38TSSOP |
0 | - |
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Datasheet |
PolyPhase® | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 770kHz | 94% | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LM5171PHPR80-V DUAL-CHANNEL BIDIRECTIONAL |
0 | - |
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Datasheet |
- | 48-PowerTQFP | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Buck-Boost | 2 | 3 | 3V ~ 80V | 50kHz ~ 1MHz | - | Yes | Yes | I2C | Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Ramp, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 48-HTQFP (7x7) |
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LTC7893AUFDM#PBFLOW IQ 100V SINGLE SYNC BOOST CT |
0 | - |
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- |
- | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4V ~ 60V | 100kHz ~ 3MHz | 93% | Yes | No | - | Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 28-QFN (4x5) |
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MAX1845ETX+IC REG CTRLR BUCK 36TQFN |
0 | - |
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- | 36-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 5.5V | 200kHz, 300kHz, 420kHz, 540kHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-TQFN (6x6) |
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LTC1709EG-85#PBFIC REG CTRLR BUCK 36SSOP |
0 | - |
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Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 310kHz | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC7893AUFDM#WPBFLOW IQ 100V SINGLE SYNC BOOST CT |
0 | - |
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- |
- | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4V ~ 60V | 100kHz ~ 3MHz | 93% | Yes | No | - | Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 28-QFN (4x5) |
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LTC1909-8EG#PBFIC REG CTRLR BUCK SMBUS 28SSOP |
0 | - |
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Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | - | 90% | Yes | No | I2C, SMBus | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC1709EG-9#PBFIC REG CTRLR BUCK 36SSOP |
0 | - |
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Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 320kHz | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC3859IFE#PBFIC REG CTRLR MULT TOP 38TSSOP |
0 | - |
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Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | 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 |
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LTC3859AHFE#PBFIC REG CTRLR MULT TOP 38TSSOP |
0 | - |
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Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | 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 ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LT8292AFE#PBF60V L-IQ SYNC. BB CONT. W/ ISHAR |
0 | - |
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- |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 5.5V ~ 60V | 100kHz ~ 650kHz | - | Yes | Yes | - | Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
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LT8292AFE#WPBF60V L-IQ SYNC. BB CONT. W/ ISHAR |
0 | - |
|
- |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 5.5V ~ 60V | 100kHz ~ 650kHz | - | Yes | Yes | - | Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 38-TSSOP-EP |
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LT8210AUJ-1#PBF100V, 15UA IQ, BUCK-BOOST CONTRO |
0 | - |
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Datasheet |
LT®8210-1 | 40-WFQFN Exposed Pad | Tube | 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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TPS7H5001HFT/EMRADIATION-HARDENED QMLV, 2-MHZ, |
0 | - |
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Datasheet |
- | 22-CFlatPack | Tray | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Boost, Buck, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 4V ~ 14V | 100kHz ~ 2MHz | 100% | No | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 22-CFP |
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TPS40210SHKKIC REG CTRLR MULT TOPOLOGY 10CFP |
0 | - |
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Datasheet |
- | 10-CDFF | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 52V | 35kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 210°C (TA) | - | - | Surface Mount | 10-CFP |
