DC DC Switching Controllers
| 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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LTC3851AIMSE#TRPBFIC REG CTRLR BUCK 16MSOP |
0 |
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Datasheet | - | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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LX1671CLQIC REG CTRLR BUCK 38MLPQ |
1,993 |
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Datasheet | LoadSHARE™ | 38-VFQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 4 | 2 | 4.5V ~ 5.5V | 300kHz | 85% | Yes | No | - | Current Limit, Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 38-MLPQ (5x7) |
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TPS40130RHBTIC REG CTRLR BUCK 32QFN |
0 |
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Datasheet | - | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 40V | 100kHz ~ 1.2MHz | 87.5% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-VQFN (5x5) |
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ADP1974ARUZ-RLWM CONTROLLER FOR BATTERY TEST S |
0 |
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Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 60V | 50kHz ~ 300kHz | 97% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
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UC3874DWTR-1IC REG CTRLR BUCK 18SOIC |
0 |
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Datasheet | - | 18-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 9V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 18-SOIC |
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LT1680CSW#TRPBFIC REG CTLR BST/FWRD CONV 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Forward Converter | 1 | 1 | 9V ~ 60V | - | 90% | No | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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UC3843AMIC REG CTRLR BUCK/BOOST 8DIP |
336 |
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Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-DIP |
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UC2874DW-2IC REG CTRLR BUCK 18SOIC |
0 |
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Datasheet | - | 18-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.4V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 18-SOIC |
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UC2874DW-1IC REG CTRLR BUCK 18SOIC |
0 |
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Datasheet | - | 18-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 9V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 18-SOIC |
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LTC3827EUH#TRPBFIC REG CTRLR BUCK 32QFN |
0 |
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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, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC7804EUD#TRPBFLOW IQ SYNCH BOOST CONTROLLER |
0 |
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Datasheet | - | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
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UC3525BDWIC REG CTRLR MULT TOP 16SOIC |
158 |
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Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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UC2874N-1IC REG CTRLR BUCK 18DIP |
0 |
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Datasheet | - | 18-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 9V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | -25°C ~ 85°C (TA) | - | - | Through Hole | 18-PDIP |
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UC2874N-2IC REG CTRLR BUCK 18DIP |
0 |
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Datasheet | - | 18-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.4V ~ 36V | Up to 300kHz | 100% | Yes | No | - | Soft Start | -25°C ~ 85°C (TA) | - | - | Through Hole | 18-PDIP |
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UC3842AMIC REG CTRLR PWM CM 8-DIP |
246 |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-DIP |
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ISL81401FRZ-T7A40V 4-SW SYNCH BUCK-BOOST PWM CO |
132 |
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Datasheet | - | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 4.5V ~ 40V | 90kHz ~ 650kHz | - | Yes | Yes | - | Current Limit, Enable, Power Good | -40°C ~ 125°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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LTC3708EUH#TRPBFIC REG CTRLR BUCK 32QFN |
0 |
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Datasheet | - | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.2V ~ 36V | - | - | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
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UCC39421PWTRIC REG CTRLR MULT TOP 16TSSOP |
0 |
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Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 8V | 150kHz ~ 1.2MHz | 88% | Yes | Yes | - | Enable, Frequency Control, Low Battery, Reset | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-TSSOP |
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LTC3727EG-1#TRPBFIC REG CTRLR BUCK 28SSOP |
0 |
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Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 255kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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UCC2806QIC REG CTRLR MULT TOP 20PLCC |
0 |
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Datasheet | - | 20-LCC (J-Lead) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 2 | 1 | 8V ~ 14.5V | 47kHz | 50% | Yes | No | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |