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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MIC38C45YM-TRIC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | 500kHz | 50% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
MIC3839BMMIC REG CTRLR MULT TOP 10MSOP |
0 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 2V ~ 14V | 200kHz | 49% | No | No | - | Current Limit, Frequency Control, Ramp | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP |
|
SC493ULTRTIC REG CTRLR BUCK I2C MLPQ-20 |
0 | - |
|
Datasheet |
EcoSpeed®, SmartDrive™ | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 250kHz ~ 1MHz | - | Yes | No | I2C | Current Limit, Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-MLPQ-UT (3x3) |
|
UCC28C41PG4IC REG CTRLR MULT TOPOLOGY 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 6.6V ~ 18V | Up to 1MHz | 48% | No | No | - | Frequency Control | -40°C ~ 105°C (TJ) | - | - | Through Hole | 8-PDIP |
|
UCC3800DTRG4IC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 6.9V ~ 12V | 46kHz | 99% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LM5020SD-1IC REG CTRLR FLYBACK 10WSON |
0 | - |
|
Datasheet |
- | 10-WDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 8V ~ 15V | 200kHz ~ 630kHz | 80% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-WSON (4x4) |
|
NCP81218DMNTXGDERIVATIVE OF NCP81218 WI |
0 | - |
|
- |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM | - | - | - | 3 | 2 | - | - | - | No | No | - | - | - | - | - | Surface Mount | 48-QFN (6x6) |
|
MIC2166YMME-TRIC REG CTRLR BUCK 10TSOP |
0 | - |
|
Datasheet |
Hyper Speed Control® | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 28V | 600kHz | 82% | Yes | No | - | Enable, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
NCV81277MNTXGAUTOMOTIVE APPROVED VERSION OF N |
0 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.5V ~ 20V | 250kHz ~ 1.2MHz | 100% | Yes | Yes | I2C, PSI | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 105°C | - | - | Surface Mount, Wettable Flank | 40-QFNW (5x5) |
|
TL5001QDRIC REG CTRLR BCK/BST/FLYBK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 3.6V ~ 40V | 20kHz ~ 500kHz | 100% | No | No | - | Dead Time Control, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
MAX5070BAUA+TIC REG CTRLR FLYBACK 8UMAX |
0 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 10.8V ~ 30V | 20kHz ~ 1MHz | 49.8% | No | No | - | Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-uMAX/uSOP |
|
MAX17499AAUB+TIC REG CTRLR BOOST/SEPIC 10UMAX |
0 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, SEPIC | 1 | 1 | 9.5V ~ 24V | 50kHz ~ 2.5MHz | 50% | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-uMAX/uSOP |
|
|
IRU3037CFIC REG CTRLR BUCK/BOOST 8TSSOP |
0 | - |
|
Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.2V ~ 25V | 200kHz | 90% | Yes | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-TSSOP |
|
|
IRU3037ACFIC REG CTRLR BUCK/BOOST 8TSSOP |
0 | - |
|
Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.2V ~ 25V | 400kHz | 90% | Yes | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-TSSOP |
|
|
IRU3037ACFPBFIC REG CTRLR BUCK/BOOST 8TSSOP |
0 | - |
|
Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.2V ~ 25V | 400kHz | 90% | Yes | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-TSSOP |
|
UCC3813DTR-3G4IC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 3.6V ~ 12V | 31kHz | 99% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
SP6123CN-L/TRIC REG CTRLR BUCK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 300kHz | 93% | Yes | No | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TPS40003DGQG4IC REG CTRLR BUCK 10MSOP |
0 | - |
|
Datasheet |
- | 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 600kHz | 93% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-HVSSOP |
|
UC3526ADWTRG4IC REG CTRLR MULT TOP 18SOIC |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | 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 ~ 35V | 1Hz ~ 600kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 18-SOIC |
|
|
LM3477AMMXIC REG CTRLR BUCK/BCK-BST 8VSSOP |
0 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck, Buck-Boost | 1 | 1 | 2.97V ~ 35V | 500kHz | 93% | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
