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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC7801HUFD#TRPBFIC REG CTRLR SYNC BUCK 24QFN |
2,003 | - |
|
Datasheet | - | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 140V | 50kHz ~ 900kHz | 100% | No | No | - | Current Limit, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 24-QFN (4x5) |
|
LM27213SQX/NOPBIC REG CTRLR BUCK 48WQFN |
1,219 | - |
|
Datasheet | - | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 6V | - | - | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -5°C ~ 105°C (TA) | - | - | Surface Mount | 48-WQFN (7x7) |
|
RAA228228GNP#HA0DIGITAL DUAL OUTPUT, 20-PHASE PW |
3,084 | - |
|
Datasheet | - | 68-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | - | Positive | - | 2 | 20 | - | 2MHz | - | No | No | SMBus | - | - | - | - | Surface Mount | 68-QFN (8x8) |
|
|
ISL78224ANZ-TAUTO 4 PHASE BI-DIRECTIONAL BUCK |
2,766 | - |
|
Datasheet | - | 64-TQFP Exposed Pad | Tape & Reel (TR) | 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) |
|
LTC3707EGN-SYNC#TRPBFIC REG CTRLR BUCK 28SSOP |
3,577 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 220kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
|
LTC3890IGN-1#TRPBFIC REG CTRLR BUCK 28SSOP |
4,587 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LTC3859AHUHF#TRPBFIC REG CTRLR MULT TOPOLOGY 38QFN |
3,204 | - |
|
Datasheet | - | 38-WFQFN 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 ~ 150°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
|
|
LTC3890IGN-3#TRPBFIC REG CTRLR BUCK/SEPIC 28SSOP |
1,261 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, SEPIC | 2 | 2 | 4V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
|
LTC3859ALHUHF#TRPBFIC REG CTRLR MULT TOPOLOGY 38QFN |
3,693 | - |
|
Datasheet | - | 38-WFQFN 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 ~ 150°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
|
LT3782EUFD#TRPBFIC REG CTRLR BOOST 28QFN |
1,684 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 6V ~ 40V | 154kHz ~ 465kHz | 94% | Yes | Yes | - | Enable, Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
|
|
LTC3707IGN#TRPBFIC REG CTRLR BUCK 28SSOP |
4,342 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 220kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1143LCS#TRPBFIC REG CTRLR BUCK/BCK-BST 16SOIC |
3,656 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost | 2 | 1 | 3.5V ~ 16V | Up to 400kHz | 100% | No | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
|
|
LTC1143LCS-ADJ#TRPBFIC REG CTRLR BUCK/BCK-BST 16SOIC |
4,254 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost | 2 | 1 | 3.5V ~ 16V | Up to 400kHz | 100% | No | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
|
|
LTC1929CG#TRPBFIC REG CTRLR BUCK 28SSOP |
1,304 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | - | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
|
MAX15157DATJ+T48V CURRENT MODE BUCK CONTROLLER |
4,757 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 60V | 60kHz ~ 1MHz | 50% | No | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount | 32-TQFN (5x5) |
|
UCC3806DWG4IC REG CTRLR MULT TOP 16SOIC |
2,875 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 2 | 1 | 8V ~ 14.5V | 47kHz | 50% | Yes | No | - | Current Limit, Enable, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC3728LIGN#TRPBFIC REG CTRLR BUCK 28SSOP |
3,102 | - |
|
Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC3728LIUH#TRPBFIC REG CTRLR BUCK 32QFN |
1,888 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
TPS53676RSLTIC POWER |
3,132 | - |
|
Datasheet | - | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | Step-Down | Positive | Buck | 2 | 7 | 4.5V ~ 17V | 300kHz ~ 2MHz | 50% | No | Yes | AVSBus, I2C, PMBus | Enable, Frequency Control, Phase Control, Ramp, Reset, Slew Control, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount | 48-VQFN (6x6) |
|
LTC1735IF#TRPBFIC REG CTRLR BUCK 20TSSOP |
1,000 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 30V | 300kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TSSOP |
DC DC Switching Controllers FAQ
Common questions about selecting, comparing and sourcing DC DC Switching Controllers components through Winsun (HK) Electronics.
What should I check when selecting DC DC Switching Controllers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific DC DC Switching Controllers part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find DC DC Switching Controllers parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for DC DC Switching Controllers components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
