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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LM5020SDX-1IC REG CTRLR FLYBACK 10WSON |
3,977 | - |
|
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) |
|
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LM5020SDX-2IC REG CTRLR FLYBACK 10WSON |
3,343 | - |
|
Datasheet | - | 10-WDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 8V ~ 15V | 200kHz ~ 630kHz | 50% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-WSON (4x4) |
|
FAN5066MXIC REG CTRLR BUCK 20SOIC |
3,785 | - |
|
Datasheet | - | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 95% | Yes | No | - | Enable, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
|
LT8306RS6#WTRPBF60V LOW-IQ NO-OPTO ISO. FLYBACK |
3,897 | - |
|
Datasheet | - | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 4.5V ~ 60V | 10kHz ~ 400kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | TSOT-23-6 |
|
ISL8105IRZ-TIC REG CTRLR BUCK 10DFN |
3,129 | - |
|
Datasheet | - | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6.5V ~ 14.4V | 300kHz | 100% | Yes | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-DFN (3x3) |
|
UC3845DR2IC REG CTRLR BOOST/FLYBK 14SOIC |
2,954 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | 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 |
|
LM5020MMX-1IC REG CTRLR FLYBACK 10MSOP |
4,385 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 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-VSSOP |
|
|
LM5020MMX-2IC REG CTRLR FLYBACK 10MSOP |
4,061 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 8V ~ 15V | 200kHz ~ 630kHz | 50% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-VSSOP |
|
MP2918GL-P4V-40V INPUT, CURRENT MODE SYNCH |
2,154 | - |
|
Datasheet | - | 20-TFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 40V | 100kHz ~ 1MHz | 99.5% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-QFN (3x4) |
|
LX1681IDMIC REG CTRLR BUCK 8SOIC |
1,585 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V | 190kHz | - | No | No | - | Current Limit, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
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LX1682IDMIC REG CTRLR BUCK 8SOIC |
4,465 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V | 190kHz | - | Yes | No | - | Current Limit, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
MIC38C43BMIC REG CTRLR MULT TOPOLOGY 8SOIC |
4,569 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | 500kHz | 96% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
MIC3809BMIC REG CTRLR MULT TOPOLOGY 8SOIC |
4,449 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 4.1V ~ 14V | 200kHz | 49% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
MIC38C45BMIC REG CTRLR MULT TOPOLOGY 8SOIC |
3,542 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | 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 |
|
ISL8105IBZ-TIC REG CTRLR BUCK 8SOIC |
3,361 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6.5V ~ 14.4V | 300kHz | 100% | Yes | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TPS40007DGQIC REG CTRLR BUCK 10MSOP |
1,179 | - |
|
Datasheet | - | 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 300kHz | 94% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-HVSSOP |
|
UCC35705DGKG4IC REG CTRLR MULT TOP 8VSSOP |
2,814 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.2V ~ 15V | 1MHz | 93% | No | No | - | Current Limit | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-VSSOP |
|
CS51031GD8IC REG CTRLR BUCK 8SOIC |
1,531 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.3V ~ 20V | 200kHz | 83.3% | No | No | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TPS40190DRCRG4IC REG CTRLR BUCK 10SON |
2,215 | - |
|
Datasheet | - | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 15V | 300kHz | 85% | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-VSON (3x3) |
|
|
SC2612ESTRTIC REG CTRLR BUCK 8SOIC |
1,482 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 15V | 500kHz | 80% | Yes | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
DC DC Switching Controllers FAQ
Common questions about selecting, comparing and sourcing DC DC Switching Controllers components through Winsun (HK) Electronics.
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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. 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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