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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LT3791IFE-1IC REGULATOR |
3,969 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 4.7V ~ 60V | 200kHz ~ 700kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LT3791MPFE-1IC REGULATOR |
4,918 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 4.7V ~ 60V | 200kHz ~ 700kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C | - | - | Surface Mount | 38-TSSOP-EP |
|
LT3840EFEIC REGULATOR |
3,683 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 2.5V ~ 60V | 50kHz ~ 1MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C | - | - | Surface Mount | 28-TSSOP-EP |
|
|
LT3840HFEIC REGULATOR |
2,664 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 2.5V ~ 60V | 50kHz ~ 1MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C | - | - | Surface Mount | 28-TSSOP-EP |
|
|
LT3840IFEIC REGULATOR |
1,270 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 2.5V ~ 60V | 50kHz ~ 1MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C | - | - | Surface Mount | 28-TSSOP-EP |
|
|
LT3840MPFEIC REGULATOR |
1,357 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 2.5V ~ 60V | 50kHz ~ 1MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -55°C ~ 150°C | - | - | Surface Mount | 28-TSSOP-EP |
|
LT8390EFEIC REG CTRLR BUCK/BOOST |
1,977 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 60V | 190kHz ~ 630kHz | 95% | Yes | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 28-TSSOP-EP |
|
|
LT8390IFEIC REG CTRLR BUCK/BOOST |
4,813 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 4V ~ 60V | 190kHz ~ 630kHz | 95% | Yes | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 28-TSSOP-EP |
|
LT8705AEFEIC REG BUCK |
1,135 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
|
LT8705AEUHFIC REG BUCK |
2,237 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-QFN (5x7) |
|
|
LT8705AHFEIC REG BUCK |
2,782 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 150°C | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LT8705AIFEIC REG BUCK |
2,198 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LT8705AIUHFIC REG BUCK |
1,643 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-QFN (5x7) |
|
|
LT8705AMPFEIC REG BUCK |
4,622 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LT8705EFEIC REG BUCK |
1,184 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LT8705EUHFIC REG BUCK |
3,053 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-QFN (5x7) |
|
|
LT8705HFEIC REG BUCK |
2,713 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LT8705IFEIC REG BUCK |
3,407 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
|
|
LT8705IUHFIC REG BUCK |
3,895 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-QFN (5x7) |
|
|
LT8705MPFEIC REG BUCK |
4,257 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C | - | - | Surface Mount | 38-TSSOP-EP |
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.
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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.
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