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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LM25085MYE/NOPBIC REG CTRLR BUCK 8MSOP |
904 | - |
|
Datasheet |
- | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-HVSSOP |
|
LM25085MME/NOPBIC REG CTRLR BUCK 8VSSOP |
875 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
TL1451ACNSIC REG CTRLR BUCK/BST/FLYBK 16SO |
390 | - |
|
Datasheet |
- | 16-SOIC (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 2 | 1 | 3.6V ~ 50V | 1kHz ~ 500kHz | - | No | No | - | Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
LM2743MTCX/NOPBIC REG CTRLR BUCK 14TSSOP |
8,982 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 6V | 50kHz ~ 1MHz | 80% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
NCV3843BVDR2GIC REG CTRLR FLYBACK 14SOIC |
6,667 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 14-SOIC |
|
|
NCV494BDR2GIC REG CTRLR BCK/PSH-PULL 16SOIC |
4,889 | - |
|
Datasheet |
SWITCHMODE™ | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 1 | 1 | 7V ~ 40V | 40kHz | 48% | Yes | No | - | Dead Time Control, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SOIC |
|
LM34966QPWPRQ1500KHZ WIDE VIN NON-SYNCHRONOUS |
6,669 | - |
|
Datasheet |
- | 14-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 40V | 100kHz ~ 500kHz | 93% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 14-HTSSOP |
|
TPS40200QDRQ1IC REG CTRLR BUCK 8SOIC |
4,612 | - |
|
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 | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
|
TPS53819ARGTRIC REG CTRLR BUCK PMBUS 16QFN |
4,796 | - |
|
Datasheet |
D-CAP2™, Eco-Mode™ | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 28V | Selectable | 90% | Yes | No | PMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-VQFN (3x3) |
|
MCP1631HV-500E/STIC REG CTRLR SEPIC 20TSSOP |
197 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Sepic | 1 | 1 | 3.5V ~ 16V | - | - | No | No | - | Enable, Frequency Control, Ramp | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
|
NCP81270CMNTXGNCP81270CMNTXG |
2,785 | - |
|
- |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | - | - | Positive | - | 1 | 1 | 4.5V ~ 21V | 600kHz | - | No | No | - | - | - | - | - | Surface Mount | 20-QFN (4x4) |
|
|
LM25085ASD/NOPBIC REG CTRLR BUCK 8WSON |
3,282 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-WSON (3x3) |
|
L5991AD13TRIC REG CTRLR FLYBACK 16SOIC |
2,283 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 20V | Up to 1MHz | 93% | Yes | No | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-SO |
|
LM25085AMM/NOPBIC REG CTRLR BUCK 8VSSOP |
1,074 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
LM25085AMME/NOPBIC REG CTRLR BUCK 8VSSOP |
253 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
TPS40345DRCTDC/DC CONTROLLER |
441 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | PWM | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 600kHz | 90% | Yes | No | - | Enable, Power Good, Soft Start | -20°C ~ 85°C | - | - | Surface Mount | 10-VSON (3x3) |
|
RT8237EZQW(2)HIGH EFFICIENCY SINGLE SYNCHRO |
643 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 26V | 290kHz ~ 430kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WDFN (3x3) |
|
|
TPS51219RTERIC REG CTRLR BUCK 16WQFN |
13,907 | - |
|
Datasheet |
D-CAP™, D-CAP2™ | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 28V | - | - | Yes | No | - | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-WQFN (3x3) |
|
TLE83862ELXUMA1IC REG CTRLR BOOST 14-SSOP |
6,992 | - |
|
Datasheet |
- | 14-LSSOP (0.154", 3.90mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.75V ~ 45V | 100kHz ~ 700kHz | 93% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | PG-SSOP-14-EP |
|
MIC2176-1YMMIC REG CTRLR BUCK 10MSOP |
200 | - |
|
Datasheet |
Hyper Speed Control® | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | 100kHz | 96% | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP |

