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0755-82798135DC DC Switching Controllers
DC DC Switching Controllers
DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.
TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing 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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SG3845MIC REG CTRLR FLYBACK 8DIP |
0 | - |
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Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 48% | Yes | No | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-DIP |
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SG3846DWIC REG CTRLR MULT TOP 16SOIC |
0 | - |
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- |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Push-Pull | 2 | 1 | 8V ~ 40V | 1Hz ~ 500kHz | - | Yes | Yes | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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UC2843ADMIC REG CTRLR BUCK/BOOST 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | 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 | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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LM2657MTC/NOPBIC REG CTRLR BUCK 28TSSOP |
0 | - |
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Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 200kHz ~ 500kHz | 70% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |
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LM27241MTC/NOPBIC REG CTRLR BUCK 20TSSOP |
0 | - |
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- |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 200kHz ~ 500kHz | 75% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
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LM2746MXA/NOPBIC REG CTRLR BUCK 14TSSOP |
0 | - |
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Datasheet |
- | 14-PowerTSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 50kHz ~ 1MHz | 80% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-HTSSOP |
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IR3637STRPBFIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 400kHz | 85% | Yes | No | - | Enable, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
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FAN5037MXIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 5.25V | - | 85% | No | No | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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FAN7554DIC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 9V ~ 30V | 500kHz | 95% | Yes | No | - | Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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ISL6420IRZIC REG CTRLR BUCK 20QFN |
0 | - |
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Datasheet |
- | 20-VFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.6V ~ 16V | 100kHz ~ 1.4MHz | 96% | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (4x4) |
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ISL6520BCBZIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 300kHz | 100% | Yes | No | - | Enable, Phase Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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ISL6744AUZIC REG CTRLR MULT TOPOLOGY 8MSOP |
0 | - |
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Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge | 1 | 1 | 9V ~ 16V | Up to 1MHz | 99% | Yes | No | - | Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-MSOP |
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CS5124XDR8GIC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 7.7V ~ 20V | 400kHz | 82.5% | No | No | - | Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
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MC34060APGIC REG CTRLR FLYBACK 14DIP |
0 | - |
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Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive or Negative, Isolation Capable | Flyback | 1 | 1 | 7V ~ 40V | 25kHz | 96% | No | No | - | Dead Time Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
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NCP1450ASN50T1GIC REG CTRLR BOOST 5TSOP |
0 | - |
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Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 0.9V ~ 6V | 180kHz | 80% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
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NCP1550SN18T1GIC REG CTRLR BUCK 5TSOP |
0 | - |
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Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
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NCP1550SN25T1GIC REG CTRLR BUCK 5TSOP |
0 | - |
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Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
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NCP1571DR2GIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7.5V ~ 15V | 200kHz | - | Yes | No | - | Power Good | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
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TL494CNGIC REG CTRLR BCK/PUSH-PULL 16DIP |
0 | - |
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Datasheet |
SWITCHMODE™ | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 7V ~ 40V | 200kHz | 48% | Yes | No | - | Dead Time Control, Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
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MC33067DWGIC REG CTRLR FLYBACK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 2 | 1 | 8.6V ~ 20V | 2.05MHz | - | No | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
