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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC7803JUD#PBFLOW IQ SYNCHRONOUS BUCK CONTROLL |
4 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
|
TPS53632RSMTIC REG CTRLR BUCK I2C 32VQFN |
290 | - |
|
Datasheet |
D-CAP+™ | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 2.5V ~ 24V | 300kHz ~ 1MHz | - | No | No | I2C | Enable, Frequency Control, Power Good, Ramp | -10°C ~ 105°C (TA) | - | - | Surface Mount | 32-VQFN (4x4) |
|
LM34936QPWPTQ1IC POWER REGULATOR |
693 | - |
|
Datasheet |
- | 28-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4.2V ~ 30V | 100kHz ~ 600kHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 28-HTSSOP |
|
LTC3859EFE#PBFIC REG CTRLR MULT TOP 38TSSOP |
0 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC3872ITS8#TRMPBFIC REG CTRLR BOOST TSOT23-8 |
729 | - |
|
Datasheet |
- | SOT-23-8 Thin, TSOT-23-8 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-8 |
|
LTC3872ITS8-1#TRMPBFIC REG CTRLR BOOST TSOT23-8 |
393 | - |
|
Datasheet |
- | SOT-23-8 Thin, TSOT-23-8 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-8 |
|
|
LTC7813EUH#PBFIC REG CTRLR BUCK/BOOST 32QFN |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | 1 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 96%, 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
MAX5974DETE+TIC REG CTRLR MULT TOP 16TQFN |
1,841 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.4V ~ 26V | 100kHz ~ 600kHz | 80% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TQFN (3x3) |
|
ISL8126IRZIC REG CTRLR BUCK 32QFN |
1,198 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.6V | 150kHz ~ 1.5MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
UCD9220RGZTIC REG CTRLR BUCK PMBUS 48VQFN |
498 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 3V ~ 3.6V | 15.26kHz ~ 2MHz | 100% | No | Yes | I2C, PMBus, SMBus | Tracking | -40°C ~ 110°C (TA) | - | - | Surface Mount | 48-VQFN (7x7) |
|
LTC1772CS6#TRPBFIC REG CTRLR MULT TOP SOT23-6 |
2,233 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 2.5V ~ 9.8V | 550kHz | 100% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | TSOT-23-6 |
|
LTC1772BIS6#TRMPBFIC REG CTRLR MULT TOP TSOT23-6 |
500 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 2.5V ~ 9.8V | 550kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-6 |
|
LT1245CN8#PBFIC REG CTRLR BUCK 8DIP |
174 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 8.2V ~ 25V | 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 100°C (TJ) | - | - | Through Hole | 8-PDIP |
|
MAX773CPD+IC REG CTRLR BOOST 14DIP |
113 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Not For New Designs | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable, Low Battery | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
|
MAX771CPA+IC REG CTRLR BOOST 8DIP |
137 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Not For New Designs | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
MAX20028ATJA/VY+IC REG |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Active | PWM | Step-Down | Positive | Buck | 3 | - | 3.5 ~ 36V | 350kHz ~ 2.1MHz | 97.2% | Yes | Yes | - | Enable | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 32-WETQFN (5x5) |
|
LT1619EMS8#TRPBFIC REG CTRLR MULT TOPOLOGY 8MSOP |
1,442 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | 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 |
|
MAX5061AUE+IC REG CTRLR BUCK 16TSSOP |
33 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 28V | 125kHz ~ 1.5MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
|
|
LT3757AIDD#TRPBFIC REG CTRLR MULT TOPOLOGY 10DFN |
1,109 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.9V ~ 40V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
LTC3851AHMSE#PBFIC REG CTRLR BUCK 16MSOP |
329 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
