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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UCC28251RGPTIC REG CTRLR MULT TOPOLOGY 20QFN |
0 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 4.7V ~ 17V | 42kHz ~ 945kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-QFN (4x4) |
|
|
LM25117QPSQX/NOPBIC REG CTRLR BUCK 24WQFN |
0 | - |
|
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) | Automotive | AEC-Q100 | Surface Mount | 24-WQFN (4x4) |
|
|
MAX5070AASA+TIC REG CTRLR FLYBACK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 10.8V ~ 30V | 20kHz ~ 1MHz | 96% | No | No | - | Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
IR3595AMTRPBFIC REG CTLR BUCK PWM 56QFN |
0 | - |
|
Datasheet |
* | 56-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 56-QFN (7x7) |
|
MCP19117-E/MQIC REG CTRLR MULTI CONFIG 28QFN |
0 | - |
|
Datasheet |
- | 28-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 4.5V ~ 42V | 31.25kHz ~ 2MHz | - | No | Yes | I2C | EN | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 28-QFN (5x5) |
|
TPS40422RSBTIC REG CTRLR BUCK PMBUS 40WQFN |
0 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 20V | 100kHz ~ 1MHz | - | Yes | Yes | PMBus | Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-WQFN (5x5) |
|
TPS43330QDAPRQ1IC REG CTRLR BUCK/BOOST 38HTSSOP |
0 | - |
|
Datasheet |
- | 38-PowerTSSOP (0.240", 6.10mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 4V ~ 40V | 150kHz ~ 600kHz | 90%, 98.75% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 38-HTSSOP |
|
UC2825ADWTRIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
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 ~ 22V | 400kHz ~ 1MHz | 50% | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
NCP81233MNTXGIC REG CNTRL BCK/BST I2C 52QFN |
0 | - |
|
Datasheet |
- | 52-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 6 | 4.5V ~ 20V | 200kHz ~ 1.2MHz | - | - | Yes | I2C | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start | -40°C ~ 100°C (TA) | - | - | Surface Mount | 52-QFN (6x6) |
|
LTC3851AIUD#PBFIC REG CTRLR BUCK 16QFN |
15 | - |
|
Datasheet |
- | 16-WFQFN 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 ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
|
LTC7817IUHF#WPBF40V, 8UA IQ, 3MHZ, TRPLE BCKBST |
0 | - |
|
Datasheet |
- | 38-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
|
MAX5068FAUE+IC REG CTRLR FLYBACK 16TSSOP |
0 | - |
|
- |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Not For New Designs | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 10.8V ~ 24V | 12.5kHz ~ 625kHz | 75% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
|
MAX8578EUB+IC REG CTRLR BUCK 10UMAX |
4 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 28V | 200kHz ~ 500kHz | - | Yes | No | - | Current Limit, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
ISL6726AAZIC REG CTRLR MULT TOP 20QSOP |
4 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter, Half-Bridge | 1 | 1 | 9V ~ 16V | Up to 1MHz | 80% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 20-QSOP |
|
LTC1622IS8#PBFIC REG CTRLR BUCK 8SOIC |
14 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2V ~ 10V | - | 100% | No | Yes | - | Enable, Soft Start | -45°C ~ 85°C (TA) | - | - | Surface Mount | 8-SO |
|
LTC3785EUF-1#PBFIC REG CTRLR BUCK-BOOST 24QFN |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 2.7V ~ 10V | 100kHz ~ 1MHz | 99% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
LTC3884IRHE-1#WPBF2X OUT POLYPHBUCK CNTR W/ SUB-MI |
1 | - |
|
Datasheet |
PolyPhase® | 48-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-GQFN (5x6) |
|
LT8228HFE#PBFSWITCHING VOLTAGE REGULATORS 100 |
0 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 6V ~ 100V | 80kHz ~ 600kHz | - | Yes | Yes | - | - | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
MAX771EPA+IC REG CTRLR BOOST 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
LM51501QWRUMTQ1AUTOMOTIVE 1.5-V TO 42-V VIN, LO |
0 | - |
|
Datasheet |
- | 16-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 1.5V ~ 42V | 220kHz ~ 2.3MHz | 93% | No | Yes | - | Current Limit, Enable, Frequency Control, Sync | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-WQFN (4x4) |
