DC DC Switching Controllers
Explore DC DC Switching Controllers parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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) |
Frequently Asked Questions
What are DC DC Switching Controllers components used for?
DC DC Switching Controllers components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right DC DC Switching Controllers part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
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Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
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