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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LTC7803EUD#PBFLOW IQ SYNCHRONOUS BUCK CONTROLL |
2,754 | - |
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Datasheet | - | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
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LTC3775EUD#PBFIC REG CTRLR BUCK 16QFN |
3,637 | - |
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Datasheet | PolyPhase® | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 250kHz ~ 1MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
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LM34936RHFT30-V WIDE VIN SYNCHRONOUS 4-SWIT |
1,229 | - |
|
Datasheet | - | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4.2V ~ 30V | 100kHz ~ 600kHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-VQFN (5x4) |
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LT8711EFE#PBFIC REG CTRLR SYNC 20-TSSOP |
2,595 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | 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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LTC3833EUDC#PBFIC REG CTRLR BUCK 20QFN |
2,018 | - |
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Datasheet | - | 20-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 200kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-QFN (3x4) |
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UC2525BDWIC REG CTRLR MULT TOP 16SOIC |
229 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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MAX5019ESA+IC REG CTRLR FLYBACK 8SOIC |
196 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 13V ~ 36V | 275kHz | 85% | No | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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LTC3854IMSE#PBFIC REG CTRLR BUCK 12MSOP |
3,973 | - |
|
Datasheet | - | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 400kHz | 98% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-MSOP-EP |
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LM25141QRGETQ1LOW VOLTAGE LM5141- SYNC BUCK CO |
1,943 | - |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Half-Bridge | 1 | 1 | 3.8V ~ 42V | 2.2MHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 125°C (TA) | Automotive | AEC-Q101 | Surface Mount | 24-VQFN (4x4) |
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LTC1872ES6#TRPBFIC REG CTRLR BOOST/SEPIC SOT23-6 |
2,787 | - |
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Datasheet | - | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 1 | 1 | 2.5V ~ 9.8V | 550kHz | - | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-6 |
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LTC1872ES6#TRMPBFIC REG CTRLR BOOST/SEPIC SOT23-6 |
1,315 | - |
|
Datasheet | - | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 1 | 1 | 2.5V ~ 9.8V | 550kHz | - | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-6 |
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UCD9222RGZRIC REG CTRLR BUCK PMBUS 48VQFN |
1,194 | - |
|
Datasheet | - | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 3.6V | 15.26kHz ~ 2MHz | 100% | No | Yes | I2C, PMBus, SMBus | Enable, Power Good, Reset, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-VQFN (7x7) |
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LTC3878IGN#PBFIC REG CTRLR BUCK 16SSOP |
399 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 38V | - | - | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
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LTC3851AIUD-1#PBFIC REG CTRLR BUCK 16QFN |
135 | - |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
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LTC3851IUD#PBFIC REG CTRLR BUCK 16QFN |
104 | - |
|
Datasheet | - | 16-WFQFN Exposed Pad | Tube | 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 ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
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LT3740EDHC#PBFIC REG CTRLR BUCK 16-DFN |
182 | - |
|
Datasheet | - | 16-WFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.2V ~ 22V | 300kHz | - | Yes | No | - | Current Limit, Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-DFN (5x3) |
|
LTC3852EUDD#PBFIC REG CTRLR BUCK 24QFN |
2,277 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (3x5) |
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MAX608EPA+IC REG CTRLR BOOST 8DIP |
135 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 1.8V ~ 16.5V | Up to 300kHz | - | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
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TPS5120DBTRIC REG CTRLR BUCK 30TSSOP |
1,981 | - |
|
Datasheet | - | 30-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 300kHz | 83% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 30-TSSOP |
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LTC7803IMSE#PBFLOW IQ SYNCHRONOUS BUCK CONTROLL |
4,115 | - |
|
Datasheet | - | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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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