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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LM5642XMHXIC REG CTRLR BUCK 28ETSSOP |
1,229 | - |
|
Datasheet | - | 28-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 375kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-HTSSOP |
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LM5642XMTXIC REG CTRLR BUCK 28TSSOP |
3,784 | - |
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Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 375kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |
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RT8241AZQWIC REG CTRLR BUCK 12WQFN |
2,232 | - |
|
Datasheet | - | 12-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 300kHz | - | Yes | No | - | Current Limit, Enable, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-WQFN (2x2) |
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XDPS21081XUMA1XDP SMPS TV/PC |
2,811 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width), 12 Leads | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 7.2V ~ 20.5V | 23kHz ~ 139.1kHz | - | No | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start | -25°C ~ 125°C (TJ) | - | - | Surface Mount | PG-DSO-12-20 |
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UC3823QG3IC REG CTRLR MULT TOP 20PLCC |
2,358 | - |
|
Datasheet | - | 20-LCC (J-Lead) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 8.4V ~ 30V | 340kHz ~ 460kHz | 85% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |
|
UC28025NG4IC REG CTRLR MULT TOPOLOGY 16DIP |
2,358 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 2 | 9V ~ 30V | 340kHz ~ 460kHz | 45% | Yes | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 105°C (TA) | - | - | Through Hole | 16-PDIP |
|
TPS40050QPWPRQ1IC REG CTRLR BUCK 16HTSSOP |
3,718 | - |
|
Datasheet | - | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | Up to 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-HTSSOP |
|
LT8357JMSE#TRPBFLOW-IQ 2MHZ 60V ISOLATED SEPIC F |
2,517 | - |
|
Datasheet | - | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 3V ~ 60V | 100kHz ~ 2MHz | 95% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
|
TC105503ECTTRIC REG CTRLR BUCK SOT23A-5 |
4,431 | - |
|
Datasheet | - | SC-74A, SOT-753 | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.2V ~ 10V | 300kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 |
|
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TC105303ECTTRIC REG CTRLR BUCK SOT23-5 |
1,603 | - |
|
Datasheet | - | SC-74A, SOT-753 | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.2V ~ 10V | 300kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 |
|
LM5020SD-2/NOPBIC REG CTRLR FLYBACK 10WSON |
1,724 | - |
|
Datasheet | - | 10-WDFN Exposed Pad | Tape & Reel (TR) | Active | 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) |
|
MIC2182-3.3BM-TRIC REG CTRLR BUCK 16SOIC |
2,811 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 32V | 300kHz | 86% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
MIC2182-5.0BM-TRIC REG CTRLR BUCK 16SOIC |
3,885 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 32V | 300kHz | 86% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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MIC2182BM-TRIC REG CTRLR BUCK 16SOIC |
1,991 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 32V | 300kHz | 86% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
MIC38HC43-1YMIC REG CTRLR MULT TOP 14SOIC |
1,303 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | - | 96% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
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MIC38HC43-1YM-TRIC REG CTRLR MULT TOP 14SOIC |
3,541 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | - | 96% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
LM5026MTIC REG CTRLR FWRD CONV 16TSSOP |
4,796 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Last Time Buy | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 590kHz | 70%, 80% | No | Yes | - | Dead Time Control, Frequency Control, Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
|
LTC3851EMSE#TRPBFIC REG CTRLR BUCK 16MSOP |
4,356 | - |
|
Datasheet | - | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 250kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-MSOP-EP |
|
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LTC3851EMSE-1#TRPBFIC REG CTRLR BUCK 16MSOP |
2,396 | - |
|
Datasheet | - | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 250kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-MSOP-EP |
|
|
LTC7893AUFDM#TRPBFLOW IQ 100V SINGLE SYNC BOOST CT |
1,910 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4V ~ 60V | 100kHz ~ 3MHz | 93% | Yes | No | - | Current Limit, Dead Time Control, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 28-QFN (4x5) |
DC DC Switching Controllers FAQ
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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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