DC DC Switching Controllers
Browse available DC DC Switching Controllers components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| 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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SI9118DY-E3IC REG CTRLR FWRD CONV 16SOIC |
4,232 | - |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 10V ~ 16.5V | 40kHz ~ 1MHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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SI9118DY-T1-E3IC REG CTRLR FWRD CONV 16SOIC |
1,156 | - |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 10V ~ 16.5V | 40kHz ~ 1MHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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SI9122DQ-T1-E3IC REG CTRLR HALF-BRIDGE 20TSSOP |
4,086 | - |
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Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Half-Bridge | 1 | 1 | 10V ~ 13.2V | 500kHz | 92% | Yes | No | - | Current Limit, Sequencing, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TSSOP |
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SI9122EDLP-T1-E3IC REG CTRLR HALF-BRG MLP65-20 |
3,960 | - |
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Datasheet | - | PowerPAK® MLP65-20 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Half-Bridge | 1 | 1 | 10.5V ~ 13.2V | 500kHz | 91% | Yes | No | - | Current Limit, Sequencing, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | PowerPAK® MLP65-20 |
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SI9122EDQ-T1-E3IC REG CTRLR HALF-BRIDGE 20TSSOP |
2,546 | - |
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Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Half-Bridge | 1 | 1 | 10.5V ~ 13.2V | 500kHz | 91% | Yes | No | - | Current Limit, Sequencing, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TSSOP |
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SI9140DQ-T1-E3IC REG CTRLR BUCK 16TSSOP |
3,847 | - |
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Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 6.5V | 20kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
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SI9140DY-T1-E3IC REG CTRLR BUCK 16SOIC |
2,601 | - |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 6.5V | 20kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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SI9145BQ-T1-E3IC REG CTRLR BUCK/BOOST 16TSSOP |
4,462 | - |
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Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck, Boost | 1 | 1 | 2.7V ~ 7V | 2kHz ~ 2MHz | 100% | Yes | No | - | Enable, Frequency Control, Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
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SI9145BY-E3IC REG CTRLR BUCK/BOOST 16SOIC |
1,509 | - |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck, Boost | 1 | 1 | 2.7V ~ 7V | 2kHz ~ 2MHz | 100% | Yes | No | - | Enable, Frequency Control, Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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SI9145BY-T1-E3IC REG CTRLR BUCK/BOOST 16SOIC |
1,158 | - |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Buck, Boost | 1 | 1 | 2.7V ~ 7V | 2kHz ~ 2MHz | 100% | Yes | No | - | Enable, Frequency Control, Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
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SIP2800DY-T1-E3IC REG CTRLR MULT TOPOLOGY 8SOIC |
4,265 | - |
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Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Buck-Boost | 1 | 1 | 6.9V ~ 12V | 46kHz | 99% | No | No | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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SIP2801DY-T1-E3IC REG CTRLR MULT TOPOLOGY 8SOIC |
4,850 | - |
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Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Buck-Boost | 1 | 1 | 7.4V ~ 12V | 46kHz | 49% | No | No | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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LTC3880EUJ-1#TRMPBFIC REG CTRLR BUCK PMBUS 40QFN |
2,457 | - |
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Datasheet | PolyPhase® | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 24V | - | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 40-QFN (6x6) |
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LTC3880EUJ#TRMPBFIC REG CTRLR BUCK PMBUS 40QFN |
4,734 | - |
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Datasheet | PolyPhase® | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 24V | - | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 40-QFN (6x6) |
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SP6136ER1-LIC REG CTRLR BUCK 16QFN |
3,299 | - |
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Datasheet | - | 16-VFQFN Exposed Pad | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V ~ 24V | 600kHz | 100% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
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SP6133ER1-LIC REG CTRLR BUCK 16QFN |
1,293 | - |
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Datasheet | - | 16-VFQFN Exposed Pad | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V ~ 24V | 300kHz | 100% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
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XRP6124HVES0.5-FIC REG CTRLR BUCK SOT23-5 |
3,569 | - |
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Datasheet | - | SC-74A, SOT-753 | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 30V | 100kHz ~ 1MHz | - | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | SOT-23-5 |
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XRP6124ES0.5-FIC REG CTRLR BUCK SOT23-5 |
4,967 | - |
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Datasheet | - | SC-74A, SOT-753 | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 18V | 200kHz ~ 833kHz | - | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | SOT-23-5 |
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ZL6105ALAFTKIC REG CTRLR BUCK PMBUS 36QFN |
1,129 | - |
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Datasheet | Digital-DC™ | 36-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5V | 200kHz ~ 1.4MHz | 95% | Yes | Yes | I2C, PMBus, SMBus | Current Limit, Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-QFN (6x6) |
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ZL6105ALAFTIC REG CTRLR BUCK PMBUS 36QFN |
1,744 | - |
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Datasheet | Digital-DC™ | 36-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5V | 200kHz ~ 1.4MHz | 95% | Yes | Yes | I2C, PMBus, SMBus | Current Limit, Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-QFN (6x6) |
DC DC Switching Controllers FAQ
What DC DC Switching Controllers components can I source from EGOO?
You can browse available DC DC Switching Controllers product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete DC DC Switching Controllers parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
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Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
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