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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LTC1435ACS#TRPBFIC REG CTRLR BUCK 16SOIC |
4,897 | - |
|
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 | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1709EG-8#TRPBFIC REG CTRLR BUCK 36SSOP |
1,152 | - |
|
Datasheet | - | 36-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 320kHz | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC1709EG-7#TRPBFIC REG CTRLR BUCK 36SSOP |
2,071 | - |
|
Datasheet | - | 36-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 310kHz | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC1709EG-9#TRPBFIC REG CTRLR BUCK 36SSOP |
1,897 | - |
|
Datasheet | - | 36-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 320kHz | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC3883EUH#WTRPBF1X PHBUCK DC/DC CNTR W/ DIG PWR |
2,276 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 24V | 250kHz ~ 1MHz | - | No | Yes | I2C, PMBus | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 105°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3883EUH-1#WTRPBF1X PHBUCK DC/DC CNTR W/ DIG PWR |
4,686 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 24V | 250kHz ~ 1MHz | - | No | Yes | I2C, PMBus | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 105°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
LM3754SQ/NOPBIC REG CTRLR BUCK 32WQFN |
3,604 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 18V | 200kHz ~ 1MHz | 81% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Tracking | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 32-WQFN (5x5) |
|
LTC3851AIMSE-1#TRPBFIC REG CTRLR BUCK 16MSOP |
2,962 | - |
|
Datasheet | - | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | 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-MSOP-EP |
|
LT1681ESW#TRPBFIC SYNCHRONOUS FWRD CTRLR 20SOIC |
2,997 | - |
|
Datasheet | - | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C ~ 85°C | - | - | Surface Mount | 20-SO |
|
LTC3859IFE#TRPBFIC REG CTRLR MULT TOP 38TSSOP |
1,102 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
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LTC3859AIFE#TRPBFIC REG CTRLR MULT TOP 38TSSOP |
3,520 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
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LTC3859ALIFE#TRPBFIC REG CTRLR MULT TOP 38TSSOP |
1,296 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LT8392JFE#TRPBF60V SYNC 4-SWITCH BUCK-BOOST LED |
2,917 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 3V ~ 60V | 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
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LTC3721EUF-1#TRPBFIC REG CTRLR PUSH-PULL 16QFN |
1,699 | - |
|
Datasheet | - | 16-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Push-Pull | 2 | 2 | Up to 10V | Up to 1MHz | 50% | No | No | - | Current Limit, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (4x4) |
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LTC3731CUH#TRPBFIC REG CTRLR BUCK 32QFN |
2,743 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 3.8V ~ 7V | 225kHz ~ 680kHz | 98.5% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC1266ACS#TRPBFIC REG CTRLR BUCK 16SOIC |
3,620 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 18V | Up to 400kHz | 100% | Yes | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
|
ISL68229IRAZINFR 3OUT/12PH DIGITAL CONTROLLE |
4,872 | - |
|
Datasheet | - | 68-VFQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 3 | 12 | 3.135V ~ 3.465V | 200kHz ~ 2MHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 68-QFN (8x8) |
|
LT8392JUFD#TRPBF60V SYNC 4-SWITCH BUCK-BOOST LED |
4,501 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 3V ~ 60V | 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
|
LTC1735IGN-1#TRPBFIC REG CTRLR BUCK 16SSOP |
2,887 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | 300kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
|
LTC7820IUFD#TRPBFIC CHARGE PUMP DC/DC CTRLR 28QFN |
3,933 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 2 | 6V ~ 72V | 100kHz ~ 1MHz | 50% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
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