DC DC Switching Controllers
Browse available DC DC Switching Controllers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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E-SG3525APIC REG CTRLR BCK/PSH-PULL 16SOIC |
2,646 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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E-SG2525ANIC REG CTRLR BCK/PUSH-PULL 16DIP |
3,918 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Soft Start | -25°C ~ 85°C (TA) | - | - | Through Hole | 16-DIP |
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E-SG3525ANIC REG CTRLR BCK/PUSH-PULL 16DIP |
2,651 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-DIP |
|
AP3595FNTR-G1IC REG CTRLR BUCK U-QFN4040-24 |
4,502 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 10.8V ~ 13.2V | 50kHz ~ 1MHz | 40% | Yes | No | - | Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | U-QFN4040-24 |
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UC3844BDIC REG CTRLR PWM CM 14-SOIC |
1,556 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
|
UC3845BDIC REG CTRLR BOOST/FLYBK 14SOIC |
1,276 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
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UC3843BDIC REG CTRLR FLYBACK 14SOIC |
4,711 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
LM3485MMXIC REG CTRLR BUCK 8VSSOP |
2,727 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 35V | - | 100% | No | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
LM25085SDX/NOPBIC REG CTRLR BUCK 8WSON |
2,505 | - |
|
Datasheet | - | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-WSON (3x3) |
|
UCD7230RGWRG4IC REG CTRLR BUCK 20VQFN |
3,344 | - |
|
Datasheet | - | 20-VQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 15.5V | Up to 2MHz | - | Yes | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-VQFN (5x5) |
|
UC3845BNIC REG CTRLR BOOST/FLYBACK 8DIP |
4,203 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
TPS64200DBVTG4IC REG CTRLR BUCK SOT23-6 |
1,985 | - |
|
Datasheet | - | SOT-23-6 | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 1.8V ~ 6.5V | - | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-6 |
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TPS64203DBVTG4IC REG CTRLR BUCK SOT23-6 |
4,317 | - |
|
Datasheet | - | SOT-23-6 | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 1.8V ~ 6.5V | - | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-6 |
|
IR3637SPBFIC REG CTRLR BUCK 8SOIC |
2,629 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 400kHz | 85% | Yes | No | - | Enable, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
KA7500CDTFIC REG CTRLR BUCK 16SOP |
3,197 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7V ~ 40V | 1kHz ~ 200kHz | 45% | Yes | No | - | Dead Time Control | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOP |
|
LM1770SMFX/NOPBIC REG CTRLR BUCK SOT23-5 |
3,096 | - |
|
Datasheet | - | SC-74A, SOT-753 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.8V ~ 5.5V | 100kHz ~ 1MHz | - | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | SOT-23-5 |
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MAX17621ATA+TIC REG CTRLR BUCK 9V 1.5A TO252 |
4,891 | - |
|
Datasheet | * | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
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SG3843DMIC REG CTRLR BUCK 8SOIC |
2,167 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 95% | No | No | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UC3842ADIC REG CTRLR PWM CM 14-SOIC |
3,161 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
|
UC3843ADTRIC REG CTRLR BUCK/BOOST 14SOIC |
4,306 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
DC DC Switching Controllers FAQ
Common questions about selecting, comparing and sourcing DC DC Switching Controllers components through Winsun (HK) Electronics.
What should I check when selecting DC DC Switching Controllers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find DC DC Switching Controllers parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
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