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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL8840AAUZIC REG CTRLR BOOST/FLYBACK 8MSOP |
1,140 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 30V | Up to 2MHz | 96% | No | No | - | Current Limit, Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-MSOP |
|
UC2846NIC REG CTRLR MULT TOPOLOGY 16DIP |
1,333 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 6.95V ~ 40V | 500kHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
UC3846NIC REG CTRLR MULT TOPOLOGY 16DIP |
731 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull | 2 | 1 | 6.95V ~ 40V | 500kHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
UCC2895DWTRIC OFFLINE SW FULL-BRDG 20SOIC |
2,572 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SOIC |
|
UC2825DWTRIC REG CTRLR MULT TOP 16SOIC |
2,209 | - |
|
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 | 8.4V ~ 30V | 340kHz ~ 460kHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
TPS40200MDREPIC REG CTRLR BUCK 8SOIC |
7,635 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 52V | 35kHz ~ 500kHz | 95% | No | No | - | Frequency Control, Soft Start | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
MAX25231ATCB/V+600MA/1A, 2MHZ DC/DC IN S18U |
1,183 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 36V | 2.1MHz | 99% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 12-TDFN (3x3) |
|
LTC3803ES6-3#TRPBFIC REG CTRLR FLYBACK TSOT23-6 |
4,178 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 5.7V ~ 8V | 300kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
MAX20098ATEC/VY+T36V >10A 5UA BUCK CONT |
5,603 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 42V | 220kHz ~ 2.2MHz | - | Yes | Yes | - | Current Limit, Enable, Power Good | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 16-TQFN (3x3) |
|
LM5117PMHX/NOPBIC REG CTRLR BUCK 20TSSOP |
5,237 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | 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 | 20-HTSSOP |
|
UC3825NIC REG CTRLR MULT TOPOLOGY 16DIP |
263 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | 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 | 8.4V ~ 30V | 340kHz ~ 460kHz | 85% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
LM5118MHX/NOPBIC REG CTRLR BCK/BCK-BST 20TSSOP |
2,405 | - |
|
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) | - | - | Surface Mount | 20-HTSSOP |
|
UCC28950PWRIC REG CTRLR FULL-BRIDGE 24TSSOP |
4,108 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge | 6 | 1 | 8V ~ 17V | 50kHz ~ 1MHz | 95% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
|
TPS40170RGYRIC REG CTRLR BUCK 20VQFN |
3,121 | - |
|
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) | - | - | Surface Mount | 20-VQFN (3.5x4.5) |
|
LM25118MH/NOPBIC REG CTRLR BUCK 20TSSOP |
584 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 3V ~ 42V | Up to 500kHz | 75% | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
LM5116MHX/NOPBIC REG CTRLR BUCK 20TSSOP |
23,858 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | 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 |
|
LTC3805EMSE#PBFIC REG CTRLR FLYBACK 10MSOP |
204 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | 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 |
|
PXE1410CDMG003XTMA1IC CTLR PRIMARION 40VQFN |
4,742 | - |
|
- |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | PG-VQFN-40-13 |
|
UCC2895DWIC OFFLINE SW FULL-BRDG 20SOIC |
471 | - |
|
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 | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SOIC |
|
LM5146QRGYTQ1IC REG BUCK ADJ 3.5A 20VQFN |
424 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Adjustable | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 20-VQFN (4.5x3.5) |

