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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LTC7851IUHH#PBFIC REG CTRLR BUCK 58QFN |
0 |
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Datasheet | - | 58-WFQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 1 | 3V ~ 5.5V | 250kHz ~ 3MHz | 91.5% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 58-QFN (5x9) |
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LTC3851IMSE-1#PBFIC REG CTRLR BUCK 16MSOP |
13 |
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Datasheet | - | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 250kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
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LTC3728LCGN#PBFIC REG CTRLR BUCK 28SSOP |
0 |
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Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC1266IS-5#PBFIC REG CTRLR BUCK 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | 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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LTC1266IS-3.3#PBFIC REG CTRLR BUCK 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | 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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LTC3728LEGN#PBFIC REG CTRLR BUCK 28SSOP |
0 |
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Datasheet | - | 28-SSOP (0.154", 3.90mm Width) | Tube | 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 | 28-SSOP |
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LTC1709EG-7#PBFIC REG CTRLR BUCK 36SSOP |
0 |
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Datasheet | - | 36-SSOP (0.209", 5.30mm Width) | Tube | 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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LTC3859ALIUHF#PBFIC REG CTRLR MULT TOPOLOGY 38QFN |
0 |
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Datasheet | - | 38-WFQFN Exposed Pad | Tube | 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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LTC3826EG-1#PBFIC REG CTRLR BUCK 28SSOP |
0 |
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Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | 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 | 28-SSOP |
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LTC1143CS#PBFIC REG CTRLR BUCK/BCK-BST 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost | 2 | 1 | 4V ~ 14V | Up to 400kHz | 100% | No | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
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LTC3826IG-1#PBFIC REG CTRLR BUCK 28SSOP |
0 |
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Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | 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 | 28-SSOP |
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LTC1266ACS#PBFIC REG CTRLR BUCK 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 18V | Up to 400kHz | 100% | Yes | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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LTC1143LCS#PBFIC REG CTRLR BUCK/BCK-BST 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost | 2 | 1 | 3.5V ~ 16V | Up to 400kHz | 100% | No | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
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LTC3731HUH#PBFIC REG CTRLR BUCK 32QFN |
0 |
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Datasheet | PolyPhase® | 32-WFQFN Exposed Pad | Tube | 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 | 32-QFN (5x5) |
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LTC3728IG#PBFIC REG CTRLR BUCK 28SSOP |
0 |
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Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC1929CG-PG#PBFIC REG CTRLR BUCK 28SSOP |
0 |
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Datasheet | - | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | - | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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LTC1148CS-3.3#PBFIC REG CTRLR BUCK 14SOIC |
0 |
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Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | 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) | - | - | Surface Mount | 14-SO |
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LTC1266AIS#PBFIC REG CTRLR BUCK 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | 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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LTC3899HUHF#PBFIC REG CTRLR BUCK/BUCK-BST 38QFN |
0 |
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Datasheet | - | 38-WFQFN Exposed Pad | Tube | 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 ~ 150°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
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LTC1159CS-3.3#PBFIC REG CTRLR BUCK 16SOIC |
0 |
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Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 40V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |