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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LTC1148CS-5#TRPBFIC REG CTRLR BUCK 14SOIC |
1,959 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SO |
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LTC1148CN#PBFIC REG CTRLR BUCK 14DIP |
3,860 | - |
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Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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LTC1148CN-3.3#PBFIC REG CTRLR BUCK 14DIP |
4,424 | - |
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Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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LTC1148CN-5#PBFIC REG CTRLR BUCK 14DIP |
1,541 | - |
|
Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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LTC3731HG#TRPBFIC REG CTRLR BUCK 36SSOP |
1,432 | - |
|
Datasheet | PolyPhase® | 36-SSOP (0.209", 5.30mm Width) | 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 | -40°C ~ 140°C (TJ) | - | - | Surface Mount | 36-SSOP |
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TPS40490MHRHDTIC REG CTRLR BUCK 28QFN |
1,538 | - |
|
Datasheet | - | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 60V | 100kHz ~ 5.4MHz | - | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-VQFN (5x5) |
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LTC1266AIS#TRPBFIC REG CTRLR BUCK 16SOIC |
2,393 | - |
|
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 | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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LTC3826IUH#TRPBFIC REG CTRLR BUCK 32QFN |
2,355 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3890HUH#TRPBFIC REG CTRLR BUCK/SEPIC 32QFN |
3,594 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
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LTC3890HUH-2#TRPBFIC REG CTRLR BUCK/SEPIC 32QFN |
1,904 | - |
|
Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | 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, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC1775CS#TRPBFIC REG CTRLR BUCK/BCK-BST 16SOIC |
1,742 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive or Negative | Buck, Buck-Boost | 1 | 1 | 4V ~ 36V | 150kHz | 99% | Yes | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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ISL78226ANZ-TISL78226ANZ AUTOMOTIVE 6 PHASE B |
1,996 | - |
|
Datasheet | - | 64-TQFP Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up, Step-Down, Step-Up/Step-Down | Positive and Negative | Boost, Buck, Flyback | 6 | 6 | 6V ~ 64V | 100kHz | 91.7% | Yes | Yes | I2C, PMBus | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 64-TQFP-EP (10x10) |
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LTC3897IUHG-2#TRPBFPP SYNC BOOST CNTR W/ IN/ OUT PR |
3,755 | - |
|
Datasheet | PolyPhase® | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 65V | 75kHz ~ 850kHz | - | Yes | Yes | - | Current Limit, Frequency Control, Overcurrent, Ramping | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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LTC3888IUHG#TRPBFDUAL OUTPUT 8-PHASE STEP-DOWN DC |
3,788 | - |
|
Datasheet | - | 52-WFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 26.5V | 10kHz ~ 400kHz | - | Yes | Yes | I2C, PMBus | Current Limit, Margining, Ramp, Slew Control, Soft Start, Sync, Watchdog | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (5x8) |
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MAX5041BEAI-TIC REG CTRLR BUCK 28SSOP |
2,676 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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MAX5041EAI-TIC REG CTRLR BUCK 28SSOP |
1,016 | - |
|
Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC3899IFE#TRPBFIC REG CTRLR BCK/BCK-BST 38TSSOP |
4,051 | - |
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Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck, Buck-Boost | 3 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 100% | Yes | No | - | Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
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LTC1649IS#TRPBFIC REG CTRLR BUCK 16SOIC |
4,208 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 5V | 200kHz | 93% | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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ZL8802ALAFT7AIC REG CTRLR BUCK PMBUS 44QFN |
3,889 | - |
|
Datasheet | Digital-DC™ | 44-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 14V | 200kHz ~ 1.33MHz | - | No | Yes | PMBus | Current Limit, Enable, Power Good, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 44-QFN (7x7) |
|
LTC1628IUH#TRPBFIC REG CTRLR BUCK 32QFN |
1,819 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 220kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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