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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC3805IMSE-5#TRPBFIC REG CTRLR MULT TOP 10MSOP |
6,747 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 3.95V ~ 9.5V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC7804EUD#PBFLOW IQ SYNCHRONOUS BOOST CONTROL |
3,160 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
|
LT8357EMSE#PBFLOW-IQ 2MHZ 60V ISOLATED SEPIC F |
876 | - |
|
Datasheet |
- | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 3V ~ 60V | 100kHz ~ 2MHz | 95% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
|
TPS40140RHHRIC REG CTRLR BUCK 36QFN |
228 | - |
|
Datasheet |
- | 36-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 15V | 150kHz ~ 1MHz | 87.5% | Yes | No | - | Current Limit, Frequency Control, Phase Control, Power Good, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-VQFN (6x6) |
|
|
LM5022MM/NOPBIC REG CTRLR BOOST/SEPIC 10MSOP |
4,623 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 1 | 1 | 6V ~ 60V | 200kHz ~ 990kHz | 95% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-VSSOP |
|
MAX1523EUT+TIC REG CTRLR MULT TOP SOT23-6 |
5,389 | - |
|
Datasheet |
- | SOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 5.5V | - | 85% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-6 |
|
|
TPS43000PWRIC REG CTRLR MULT TOP 16TSSOP |
1,701 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Buck-Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 9V | 250kHz ~ 1MHz | 90%, 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
ISL8117FRZIC REG CTRLR BUCK 16QFN |
782 | - |
|
Datasheet |
- | 16-TFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 60V | 100kHz ~ 2MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (4x4) |
|
UCC3895DWIC OFFLINE SW FULL-BRDG 20SOIC |
827 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
|
|
MAX1626ESA+TIC REG CTRLR BUCK 8SOIC |
3,167 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16.5V | 300kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC3854EMSE#TRPBFIC REG CTRLR BUCK 12MSOP |
1,759 | - |
|
Datasheet |
- | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 400kHz | 98% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-MSOP-EP |
|
LM5118Q1MHX/NOPBIC REG CTRLR BCK/BCK-BST 20TSSOP |
356 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost | 1 | 1 | 3V ~ 75V | 200kHz, 515kHz | 80% | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
UCC28951QPWRQ1IC REG CTRLR FULL-BRIDGE 24TSSOP |
5,704 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | - | Positive | Full-Bridge | 6 | 1 | 8V ~ 17V | Up to 1MHz | 95% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-TSSOP |
|
TPS40170QRGYRQ1IC REG CTRLR BUCK 20VQFN |
4,149 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 60V | 100kHz ~ 600kHz | 95% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-VQFN (3.5x4.5) |
|
LM5118MH/NOPBIC REG CTRLR BCK/BCK-BST 20TSSOP |
739 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost | 1 | 1 | 3V ~ 75V | 200kHz, 515kHz | 80% | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
LTC3878EGN#PBFIC REG CTRLR BUCK 16SSOP |
1,545 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 38V | - | - | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
|
LM5117QPSQE/NOPBIC REG CTRLR BUCK 24WQFN |
711 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 65V | 200kHz, 480kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-WQFN (4x4) |
|
LM5116MH/NOPBIC REG CTRLR BUCK 20TSSOP |
1,393 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 100V | 200kHz, 535kHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
LTC3872ETS8#TRPBFIC REG CTRLR BOOST TSOT23-8 |
4,301 | - |
|
Datasheet |
- | SOT-23-8 Thin, TSOT-23-8 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-8 |
|
|
TPS53688RSBRDUAL-CHANNEL, 8 PHASE STEP-DOWN, |
3,340 | - |
|
Datasheet |
D-CAP+™ | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 8 | 4.5V ~ 17V | - | - | No | No | PMBus | Current Limit | -40°C ~ 125°C | - | - | Surface Mount | 40-WQFN (5x5) |

