Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LM5141RGERLM5141RGER |
1,234 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.8V ~ 65V | 440kHz, 2.2MHz | - | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-VQFN (4x4) |
|
ISL8117AFRZIC REG CTRLR BUCK 16QFN |
611 | - |
|
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) |
|
UCC25630-3DDBTHALF BRIDGE CONT WITH HV DRIVER |
326 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width), 14 Leads | Tape & Reel (TR) | Not For New Designs | Transistor Driver | - | Positive, Isolation Capable | Half-Bridge | 1 | 1 | 11.25V ~ 26V | 35kHz ~ 1MHz | 50% | No | No | - | Hybrid Hysteretic Control (HHC) | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-SOIC |
|
MAX17596ATE+TIC REG CTRLR BOOST/FLYBK 16TQFN |
2,075 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback | 1 | 1 | 4.5V ~ 36V | 100kHz ~ 1MHz | 48% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TQFN (3x3) |
|
|
TPS43000PWIC REG CTRLR MULT TOP 16TSSOP |
520 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Bulk | 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 |
|
ISL8843AABZIC REG CTRLR BOOST/FLYBACK 8SOIC |
1,517 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm 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-SOIC |
|
|
LTC3805EDD-5#PBFIC REG CTRLR MULT TOPOLOGY 10DFN |
4,702 | - |
|
Datasheet |
- | 10-WFDFN 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-DFN (3x3) |
|
TPS40060PWPIC REG CTRLR BUCK 16HTSSOP |
796 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10V ~ 55V | Up to 1MHz | 98% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
MP3910GK-ZIC REG CTRLR MULT TOP 10MSOP |
2,084 | - |
|
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 | 7V ~ 35V | 30kHz ~ 400kHz | 95% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP |
|
UCC28250PWIC REG CTRLR MULT TOP 20TSSOP |
39 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Active | PWM Signal | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 4.7V ~ 17V | 85kHz ~ 1.15MHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
|
LM5145QRGYRQ1AUTOMOTIVE 75-V SYNCHRONOUS BUCK |
10,059 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 75V | 100kHz ~ 1MHz | 99% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 20-VQFN (3.5x4.5) |
|
LTC3805IMSE-5#PBFIC REG CTRLR MULT TOP 10MSOP |
4,684 | - |
|
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 ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
|
LM25117PSQE/NOPBIC REG CTRLR BUCK 24WQFN |
6,611 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 750kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-WQFN (4x4) |
|
TPS40090QPWRQ1IC REG CTRLR BUCK 24TSSOP |
3,854 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.5V ~ 15V | 100kHz ~ 1.2MHz | 87.5% | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-TSSOP |
|
LM25122QPWPTQ1IC REG CTRLR MULT TOP 20HTSSOP |
499 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 3V ~ 42V | 450kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
MAX16990AUBB/V+IC REG CTRLR BOOST/SEPIC 10UMAX |
103 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 1 | 1 | 4.5V ~ 36V | 220kHz ~ 1MHz | 93% | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 10-uMAX-EP |
|
TPS40090PWIC REG CTRLR BUCK 24TSSOP |
123 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.5V ~ 15V | 100kHz ~ 1.2MHz | 87.5% | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-TSSOP |
|
MAX1522EUT+TIC REG CTRLR MULT TOP SOT23-6 |
172 | - |
|
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 |
|
LM5642MH/NOPBIC REG CTRLR BUCK 28ETSSOP |
607 | - |
|
Datasheet |
- | 28-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 200kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-HTSSOP |
|
LM5642MTC/NOPBIC REG CTRLR BUCK 28TSSOP |
123 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 200kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |

