DC DC Switching Controllers
Use the filters and product table below to compare DC DC Switching Controllers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UC3578DPIC REG CTRLR BUCK 16SOIC |
3,481 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 14V ~ 72V | 110kHz | 90% | No | No | - | Current Limit, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LM5642MTCXIC REG CTRLR BUCK 28TSSOP |
3,853 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | 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 |
|
UC3578DPG4IC REG CTRLR BUCK 16SOIC |
4,773 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 14V ~ 72V | 110kHz | 90% | No | No | - | Current Limit, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LM5642MTCIC REG CTRLR BUCK 28TSSOP |
1,953 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | 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 |
|
UC3841QIC REG CTRLR MULT TOP 20PLCC |
3,109 | - |
|
Datasheet | - | 20-LCC (J-Lead) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8V ~ 32V | 500kHz | 95% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |
|
LM3753SQ/NOPBIC REG CTRLR BUCK 32WQFN |
2,967 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 18V | 200kHz ~ 1MHz | 81% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Tracking | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 32-WQFN (5x5) |
|
UCC25702PWG4IC REG CTRLR MULT TOP 14TSSOP |
3,572 | - |
|
Datasheet | - | 14-TSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.8V ~ 15V | 100kHz | 99% | No | Yes | - | Current Limit, Frequency Control, Sequencing, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-TSSOP |
|
LM5117QPMHE/NOPBIC REG CTRLR BUCK 20TSSOP |
1,358 | - |
|
Datasheet | - | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 65V | 200kHz, 480kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
LM5117QPSQ/NOPBIC REG CTRLR BUCK 24WQFN |
2,746 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 65V | 200kHz, 480kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-WQFN (4x4) |
|
TPS40490MHRHDRIC REG CTRLR BUCK 28QFN |
3,682 | - |
|
Datasheet | - | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 60V | 100kHz ~ 5.4MHz | - | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-VQFN (5x5) |
DC DC Switching Controllers FAQ
Common questions about filtering, comparing and sourcing DC DC Switching Controllers components.
How can I narrow the DC DC Switching Controllers selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific DC DC Switching Controllers part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
