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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LTC1435AIS#TRPBFIC REG CTRLR BUCK 16SOIC |
4,142 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1876EG#TRPBFIC REG CTRLR BUCK 36SSOP |
2,288 | - |
|
Datasheet | PolyPhase® | 36-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 2 | 3.5V ~ 36V | 220kHz | 99.4% | No | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC1922IG-1#TRPBFIC REG CTRLR FULL-BRIDGE 20SSOP |
2,013 | - |
|
Datasheet | - | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 3.8V ~ 10.3V | Up to 1MHz | 99% | Yes | Yes | - | Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SSOP |
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LTC3887IUJ#TRPBFIC REG CTRLR BUCK PMBUS 40QFN |
2,202 | - |
|
Datasheet | PolyPhase® | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 24V | 250kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
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LTC3887IUJ-1#TRPBFIC REG CTRLR BUCK PMBUS 40QFN |
3,970 | - |
|
Datasheet | PolyPhase® | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 24V | 250kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
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LTC3887IUJ-2#TRPBFDUAL OUTPUT POLYPHASE STEP-DOWN |
4,244 | - |
|
Datasheet | PolyPhase® | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 34V | 250kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
LTC3884IUK#TRPBFIC REG CTRLR BUCK PMBUS 48QFN |
4,313 | - |
|
Datasheet | PolyPhase® | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-QFN (7x7) |
|
LTC3884IRHE#TRPBFIC REG CTRLR BUCK PMBUS 48QFN |
3,833 | - |
|
Datasheet | PolyPhase® | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-GQFN (5x6) |
|
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LTC3884IRHE-1#TRPBFIC REG CTRLR BUCK PMBUS 48QFN |
1,228 | - |
|
Datasheet | PolyPhase® | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-GQFN (5x6) |
|
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LTC3372IUK#TRPBF60V LOW IQ BUCK CONTROLLER PLUS |
1,639 | - |
|
Datasheet | - | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 5 | 1 | 4.5V ~ 60V | 1MHz ~ 3MHz | 98% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking, Watchdog | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-QFN (7x7) |
|
LTC1873EG#TRPBFIC REG CTRLR BUCK 28SSOP |
3,514 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 7V | 550kHz | 90% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
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LTC3884ERHE#TRPBFIC REG CTRLR BUCK PMBUS 48QFN |
3,651 | - |
|
Datasheet | PolyPhase® | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-GQFN (5x6) |
|
|
LTC3884ERHE-1#TRPBFIC REG CTRLR BUCK PMBUS 48QFN |
2,716 | - |
|
Datasheet | PolyPhase® | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-GQFN (5x6) |
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LTC3886EUKG-1#TRPBF60V 2X OUT BUCK CNTR W/ DIG PWR |
1,625 | - |
|
Datasheet | PolyPhase® | 52-WFQFN, 46 Leads, Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 100kHz ~ 750kHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (7x8) |
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LTC1871EMS-1#TRPBFIC REG CTRLR MULT TOP 10MSOP |
2,978 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 36V | 50kHz ~ 1MHz | 92% | No | Yes | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP |
|
LTC3807IUDC#TRPBFIC REG CTRLR BUCK 20QFN |
1,017 | - |
|
Datasheet | - | 20-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 50kHz ~ 900kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-QFN (3x4) |
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LTC3869EUF#TRPBFIC REG CTRLR BUCK 28QFN |
3,152 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 38V | 250kHz ~ 780kHz | 95% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x4) |
|
ISL78224ANZAUTO 4 PHASE BI-DIRECTIONAL BUCK |
3,708 | - |
|
Datasheet | - | 64-TQFP Exposed Pad | Tray | Active | PWM | Step-Up/Step-Down | Positive | Flyback | 2 | 4 | 6V ~ 64V | 100kHz ~ 750kHz | 91.7% | Yes | Yes | PMBus | Current Limit, Enable | -40°C ~ 125°C (TA) | - | - | Surface Mount | 64-TQFP-EP (10x10) |
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LTC1148HVIS-5#TRPBFIC REG CTRLR BUCK 14SOIC |
4,086 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SO |
|
BD9775FV-E2IC REG CTRLR BUCK 28SSOP |
4,305 | - |
|
Datasheet | - | 28-LSSOP (0.220", 5.60mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 6V ~ 30V | 30kHz ~ 300kHz | 45% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP-B |
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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