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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LTC3864HMSE#TRPBFIC REG CTRLR BUCK 12MSOP |
4,920 | - |
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Datasheet | - | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | 100% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
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LTC3863HMSE#TRPBFIC REG CTRLR BUCK 12MSOP |
3,153 | - |
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Datasheet | - | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | - | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
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LTC3863HDE#TRPBFIC REG CTRLR BUCK 12DFN |
4,004 | - |
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Datasheet | - | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | - | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-DFN (4x3) |
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NCP81232MNTXGIC REG CTRLR BUCK 40QFN |
1,561 | - |
|
Datasheet | - | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.5V ~ 20V | 200kHz ~ 1.2MHz | - | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 100°C (TA) | - | - | Surface Mount | 40-QFN (5x5) |
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UCC35702DTRG4IC REG CTRLR MULT TOP 14SOIC |
2,795 | - |
|
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, Forward Converter | 1 | 1 | 8.8V ~ 15V | 100kHz | 99% | No | Yes | - | Current Limit, Frequency Control, Sequencing, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
TPS40197RGYRIC REG CTRLR BUCK 16QFN |
4,291 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 14V | 520kHz | 85% | Yes | No | - | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-VQFN (4x3.5) |
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MCP19118T-E/MJIC REG CTRLR BUCK PMBUS 24QFN |
4,070 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 1.6MHz | - | Yes | No | I2C, PMBus, SMBus | Phase Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
|
LTC3808EDE#TRPBFIC REG CTRLR BUCK 14-DFN |
2,477 | - |
|
Datasheet | - | 14-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 9.8V | 250kHz ~ 750kHz | 100% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-DFN (4x3) |
|
LT1245IS8#TRPBFIC REG CTRLR BUCK 8SOIC |
3,175 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 8.2V ~ 25V | 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 100°C (TA) | - | - | Surface Mount | 8-SO |
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LT1241IS8#TRPBFIC REG CTRLR BUCK 8SOIC |
3,444 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 8.2V ~ 25V | 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 100°C (TA) | - | - | Surface Mount | 8-SO |
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LTC3836EGN#TRPBFIC REG CTRLR BUCK 28SSOP |
2,697 | - |
|
Datasheet | PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 2.75V ~ 4.5V | 300kHz ~ 750kHz | 97% | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC3836EUFD#TRPBFIC REG CTRLR BUCK 28QFN |
2,155 | - |
|
Datasheet | PolyPhase® | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 2.75V ~ 4.5V | 300kHz ~ 750kHz | 97% | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-QFN (4x5) |
|
MAX669EUB/V+TIC REG CTRLR MULT TOP 10UMAX |
1,682 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 28V | 100kHz ~ 500kHz | 90% | No | Yes | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | Automotive | AEC-Q100 | Surface Mount | 10-uMAX/uSOP |
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LTC3823EGN#TRPBFIC REG CTRLR BUCK 28SSOP |
4,944 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 36V | - | 90% | Yes | No | - | Enable, On Time Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC3823EUH#TRPBFIC REG CTRLR BUCK 32QFN |
2,677 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 36V | - | 90% | Yes | No | - | Enable, On Time Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LT8711IFE#TRPBFIC REG CTRLR SYNC 20-TSSOP |
1,554 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | PWM | Step-Up, Step-Down | Positive | Buck, Boost, Buck-Boost, SEPIC | 1 | - | 4.5V ~ 42V | 100kHz ~ 750kHz | 100% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
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UC2843ADIC REG CTRLR BUCK/BOOST 14SOIC |
2,740 | - |
|
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 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
MIC2186YQS-TRIC REG CTRLR BOOST 16QSOP |
4,036 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.9V ~ 14V | 100kHz, 200kHz, 400kHz | 85% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QSOP |
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LTC3861EUH-1#TRPBFIC REG CTRLR BUCK 32QFN |
2,961 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.5V | 250kHz ~ 3MHz | 91.5% | No | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
NCV8856ADBR2GIC REG BUCK LIN EAR SYNC 20TSSOP |
1,700 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 170kHz ~ 500kHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Reset, Soft Start | -40°C ~ 150°C (TJ) | Automotive | - | Surface Mount | 20-TSSOP |
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