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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LTC3807IFE#TRPBFIC REG CTRLR BUCK 20TSSOP |
1,422 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 50kHz ~ 900kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
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MCP19117T-E/MQIC PWM CTLR SYNC LOW SIDE 28QFN |
3,518 | - |
|
Datasheet | - | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 4.5V ~ 42V | 31.25kHz ~ 2MHz | - | No | Yes | I2C | EN | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 28-QFN (5x5) |
|
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MCP19125T-E/MQIC REG CTRLR |
4,322 | - |
|
Datasheet | - | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 2 | 4.75V ~ 5.5V | 31.25kHz ~ 2MHz | - | Yes | Yes | I2C | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 28-QFN (5x5) |
|
SC450ITSTRTIC REG CTRLR BUCK 38TSSOP |
2,056 | - |
|
Datasheet | PowerStep IV™ | 38-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 30V | - | - | Yes | - | - | - | - | - | - | Surface Mount | 38-TSSOP |
|
L5994IC REG CTRLR BUCK 32-TQFP |
4,316 | - |
|
Datasheet | - | 32-LQFP | Tray | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 3 | 1 | 4.75V ~ 25V | 200kHz, 300kHz | - | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 140°C (TJ) | - | - | Surface Mount | 32-TQFP (7x7) |
|
MAX775CSA+TIC REG CTRLR BUCK-BOOST 8SOIC |
2,411 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Negative | Buck-Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
MIC2185YQSIC REG CTRLR BUCK 16QSOP |
2,109 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.9V ~ 14V | 400kHz | 100% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QSOP |
|
LTC3865EFE#TRPBFIC REG CTRLR BUCK 38TSSOP |
2,312 | - |
|
Datasheet | - | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 770kHz | 95% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
|
ISL68233IRAZINFRA AVS 2OUT/5PH DIGITAL CONTR |
4,232 | - |
|
Datasheet | - | 40-WFQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 5 | 3.135V ~ 3.465V | 200kHz ~ 2MHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-TQFN (5x5) |
|
LM2647LQ/NOPBIC REG CTRLR BUCK 28WQFN |
1,224 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 5.5V ~ 28V | 200kHz ~ 500kHz | 75% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 28-WQFN (5x5) |
|
TPS40050PWPRIC REG CTRLR BUCK 16HTSSOP |
4,427 | - |
|
Datasheet | - | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | 500kHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
|
TPS40051PWPRIC REG CTRLR BUCK 16HTSSOP |
1,463 | - |
|
Datasheet | - | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | 500kHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
MP3908DK-LF-ZIC REG CTRLR MULT TOP 10MSOP |
1,034 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter, SEPIC | 1 | 1 | 4.5V ~ 10V | 260kHz | 81% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP |
|
LM5122ZAPWPRIC POWER REGULATOR |
3,780 | - |
|
Datasheet | - | 24-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 4.5V ~ 65V | 450kHz, 875kHz | - | Yes | Yes | - | Current Limit | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-HTSSOP |
|
LT3758HMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
2,798 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC3869IUFD#TRPBFIC REG CTRLR BUCK 28QFN |
1,650 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 38V | 250kHz ~ 780kHz | 95% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
|
LT3759HMSE#TRPBFIC REG CTRLR MULT TOP 12MSOP |
2,857 | - |
|
Datasheet | - | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 1.6V ~ 42V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-MSOP-EP |
|
LTC3861EUHE#TRPBFIC REG CTRLR BUCK 36QFN |
4,336 | - |
|
Datasheet | PolyPhase® | 36-WFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.5V | 250kHz ~ 3MHz | 91.5% | No | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 36-QFN (5x6) |
|
|
LT3758AHMSE#TRPBFIC REG CTRLR MULT TOP 10MSOP |
4,108 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
|
LTC3869IUF#TRPBFIC REG CTRLR BUCK 28QFN |
2,532 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 38V | 250kHz ~ 780kHz | 95% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-QFN (4x4) |
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