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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UCC28951PWRPWR MGMT MOSFET/PWR DRIVER |
5,274 | - |
|
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) | - | - | Surface Mount | 24-TSSOP |
|
UC3856DWIC REG CTRLR MULT TOP 16SOIC |
439 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 200kHz | 47% | Yes | Yes | - | Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC3805EMSE#TRPBFIC REG CTRLR FLYBACK 10MSOP |
2,227 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 3.95V ~ 9.5V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC3805EMSE-5#PBFIC REG CTRLR MULT TOP 10MSOP |
1,245 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | 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 ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP-EP |
|
LM5122QMHE/NOPBIC REG CTRLR MULT TOP 20HTSSOP |
802 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 65V | Up to 1MHz | 100% | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
|
LM5117PSQ/NOPBIC REG CTRLR BUCK 24WQFN |
5,763 | - |
|
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) | - | - | Surface Mount | 24-WQFN (4x4) |
|
LTC3803IS6-5#TRMPBFIC REG CTRLR FLYBACK TSOT23-6 |
1,217 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 4V ~ 8.1V | 200kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
LM5117PMH/NOPBIC REG CTRLR BUCK 20TSSOP |
722 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tube | 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) | - | - | Surface Mount | 20-HTSSOP |
|
UC2525BDWTRIC REG CTRLR MULT TOP 16SOIC |
1,299 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6420BIRZ-TKIC REG CTRLR BUCK 20QFN |
3,304 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.6V ~ 28V | 100kHz ~ 1.4MHz | 96% | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (4x4) |
|
UC3856NIC REG CTRLR MULT TOPOLOGY 16DIP |
416 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 200kHz | 47% | Yes | Yes | - | Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
ADP1621ARMZ-R7IC REG CTRLR MULT TOP 10MSOP |
2,455 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter, SEPIC | 1 | 1 | 2.9V ~ 5.5V | 100kHz ~ 1.5MHz | 97% | No | Yes | - | Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP |
|
ADP1850ACPZ-R7IC REG CTRLR BUCK 32LFCSP |
68 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad, CSP | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 2.75V ~ 20V | 200kHz ~ 1.5MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-LFCSP (5x5) |
|
|
LM5022MME/NOPBIC REG CTRLR BOOST/SEPIC 10MSOP |
1,978 | - |
|
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 |
|
XDPE19283B0000XUMA1IFX PRIMARION CNTRLLER |
3,279 | - |
|
- |
- | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UCC3895NIC OFFLINE SW FULL-BRDG 20DIP |
350 | - |
|
Datasheet |
- | 20-DIP (0.300", 7.62mm) | Bulk | 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) | - | - | Through Hole | 20-PDIP |
|
LT1619EMS8#PBFIC REG CTRLR MULT TOPOLOGY 8MSOP |
4,523 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 1.9V ~ 18V | 300kHz | 92% | No | Yes | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-MSOP |
|
|
MAX25207ATPA/VY+HV 80V BUCK CONTROLLER |
61 | - |
|
Datasheet |
- | 20-WFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 60V | 2.2MHz | 97% | Yes | Yes | - | Current Limit | -40°C ~ 125°C (TA) | - | - | Surface Mount, Wettable Flank | 20-SWTQFN (4x4) |
|
MAX15005AAUE+IC REG CTRLR MULT TOP 16TSSOP |
102 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 4.5V ~ 40V | 15kHz ~ 1MHz | 80% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
|
LTC3854EMSE#PBFIC REG CTRLR BUCK 12MSOP |
1,506 | - |
|
Datasheet |
- | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tube | 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 |

