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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LTC3835IFE#TRPBFIC REG CTRLR BUCK 20TSSOP |
3,330 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TSSOP-EP |
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MAX5068BAUE+TIC REG CTRLR FLYBACK 16TSSOP |
1,330 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 10.8V ~ 24V | 25kHz ~ 1.25MHz | 50% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
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LM5642MTCIC REG CTRLR BUCK 28TSSOP |
1,953 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 200kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |
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ISL81801FRTZ-T80V BI-DIRECTIONAL BUCK-BOOST CO |
3,664 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 4.5V ~ 80V | 100kHz ~ 600kHz | - | Yes | Yes | - | Current Limit, Enable, Off Time Control, On Time Control, Phase Control, Power Good, Power On Reset, Pulse Skipping, Ramp, Sequencing, Soft Start, Tracking | -40°C ~ 125°C (TA) | - | - | Surface Mount | 32-TQFN (5x5) |
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MAX1956ETI+TIC REG CTRLR BUCK 28TQFN |
1,329 | - |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 1.6V ~ 5.5V | 600kHz | 97% | Yes | Yes | - | Current Limit, Enable, Sequencing | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-TQFN (5x5) |
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ISL78229ARZIC REG CTRLR BOOST PMBUS 40WQFN |
2,654 | - |
|
Datasheet | - | 40-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 5V ~ 55V | 50kHz ~ 1.1MHz | 89% | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 40-QFN (6x6) |
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MCP19215T-E/S8IC REG CNTRL MULTI I2C 32QFN |
4,283 | - |
|
Datasheet | - | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 2 | 2 | 4.5V ~ 42V | 31.25kHz ~ 2MHz | - | Yes | Yes | I2C | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 32-VQFN (5x5) |
|
LTC1435CS#TRPBFIC REG CTRLR BUCK 16SOIC |
4,452 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
|
LTC3728LZEUH#TRPBFIC REG CTRLR BUCK 32QFN |
4,412 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC1735EGN#TRPBFIC REG CTRLR BUCK 16SSOP |
3,704 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 30V | 300kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
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LTC3803MPS6#TRPBFIC REG CTRLR FLYBACK TSOT23-6 |
4,284 | - |
|
Datasheet | - | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 5.7V ~ 8V | 200kHz | 80% | No | No | - | Current Limit, Enable | -55°C ~ 150°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
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LTC3803MPS6-5#TRPBFIC REG CTRLR FLYBACK TSOT23-6 |
1,311 | - |
|
Datasheet | - | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 4V ~ 8.1V | 200kHz | 80% | No | No | - | Current Limit, Enable | -55°C ~ 150°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
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LTC7817IUHF#WTRPBF40V, 8UA IQ, 3MHZ, TRPLE BCKBST |
4,702 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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LTC1709EG-85#TRPBFIC REG CTRLR BUCK 36SSOP |
2,577 | - |
|
Datasheet | - | 36-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 310kHz | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
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LTC3859AEUHF#TRPBFIC REG CTRLR MULT TOPOLOGY 38QFN |
1,781 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
|
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LTC3859ALEUHF#TRPBFIC REG CTRLR MULT TOPOLOGY 38QFN |
4,174 | - |
|
Datasheet | - | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
|
ISL68137IRAZ-TAVS X+Y 7 PHASE DIGI CONT 48LD 6 |
2,526 | - |
|
Datasheet | - | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | - | Positive | - | 2 | 7 | 3.135V ~ 3.465V | 200kHz ~ 1MHz | - | No | No | AVSBus, PMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 48-QFN (6x6) |
|
UC3841QIC REG CTRLR MULT TOP 20PLCC |
3,109 | - |
|
Datasheet | - | 20-LCC (J-Lead) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8V ~ 32V | 500kHz | 95% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |
|
LM3753SQ/NOPBIC REG CTRLR BUCK 32WQFN |
2,967 | - |
|
Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 18V | 200kHz ~ 1MHz | 81% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Tracking | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 32-WQFN (5x5) |
|
|
LTC3834IGN-1#TRPBFIC REG CTRLR BUCK 16SSOP |
4,510 | - |
|
Datasheet | - | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
DC DC Switching Controllers FAQ
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