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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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LTC7821IUH#TRPBFIC REG CTRLR BUCK HYBRID 32QFN |
0 | - |
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Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 2 | 10V ~ 72V | 200kHz ~ 1.5MHz | 40% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3372EUK#TRPBF60V LOW IQ BUCK CONTROLLER PLUS |
0 | - |
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Datasheet |
- | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 5 | 1 | 4.5V ~ 60V | 1MHz ~ 3MHz | 98% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking, Watchdog | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-QFN (7x7) |
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RAA228228GNP#AA0DIGITAL DUAL OUTPUT, 20-PHASE PW |
0 | - |
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Datasheet |
- | 68-VFQFN Exposed Pad | Tube | Active | PWM | - | Positive | - | 2 | 20 | - | 2MHz | - | No | No | SMBus | - | - | - | - | Surface Mount | 68-QFN (8x8) |
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LTC3899HUHF#TRPBFIC REG CTRLR BUCK/BUCK-BST 38QFN |
0 | - |
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Datasheet |
- | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck, Buck-Boost | 3 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 100% | Yes | No | - | Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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MAX16930ATLV/V+TIC REG BUCK DUAL 2MHZ 36V 40TQFN |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 3.5V ~ 42V | 1MHz ~ 2.2MHz | 95% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 40-TQFN (6x6) |
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LTC1148HVCN-5#PBFIC REG CTRLR BUCK 14DIP |
0 | - |
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Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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LTC1148HVCN#PBFIC REG CTRLR BUCK 14DIP |
0 | - |
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Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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LTC1148HVCN-3.3#PBFIC REG CTRLR BUCK 14DIP |
0 | - |
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Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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RAA228227GNP#MA0DIGITAL DUAL OUTPUT, 16-PHASE PW |
0 | - |
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Datasheet |
- | 60-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | - | Positive | - | 2 | 16 | - | Up to 2MHz | - | No | No | AVSBus, PMBus | Enable | - | - | - | Surface Mount | 60-QFN (7x7) |
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XRP7704ILBTR-FIC REG CTRLR BUCK I2C 40TQFN |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Last Time Buy | Transistor Driver | Step-Down | Positive | Buck | 4 | 4 | 6.5V ~ 20V | 300kHz ~ 1.5MHz | 85% | Yes | No | I2C | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-TQFN (6x6) |
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LTC1709EG#TRPBFIC REG CTRLR BUCK 36SSOP |
0 | - |
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Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 310kHz | 99.5% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC1148HVCS-3.3#TRPBFIC REG CTRLR BUCK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SO |
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LTC1148HVCS#TRPBFIC REG CTRLR BUCK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SO |
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LTC1148HVCS-5#TRPBFIC REG CTRLR BUCK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SO |
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LTC1922EG-1#TRPBFIC REG CTRLR FULL-BRIDGE 20SSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 3.8V ~ 10.3V | Up to 1MHz | 99% | Yes | Yes | - | Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SSOP |
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LTC3892HFE-1#TRPBFIC REG CTRLR BUCK 28TSSOP |
0 | - |
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Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
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LTC7813HUH#TRPBFIC REG CTRLR BUCK/BOOST |
0 | - |
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Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | 1 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 96%, 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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TPS40021MPWPREPIC REG CTRLR BUCK 16HTSSOP |
0 | - |
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Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 100kHz ~ 1MHz | 95% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 16-HTSSOP |
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LTC3707IGN-SYNC#PBFIC REG CTRLR BUCK 28SSOP |
0 | - |
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Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Active | 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 |
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MAX16930BATLW/V+TIC REG BCK/BST ADJ/3.3V5V 40TQFN |
0 | - |
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Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 3.5V ~ 42V | 1MHz ~ 2.2MHz | 95% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 40-TQFN (6x6) |

