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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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SG1843Y-DESCIC REG CTRLR BUCK 8CDIP |
0 | - |
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Datasheet |
- | 8-CDIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 95% | No | No | - | - | -55°C ~ 125°C (TA) | Military | MIL-STD-883B | Through Hole | 8-CDIP |
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SG1845Y-883BIC REG CTRLR FLYBACK 8CDIP |
0 | - |
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Datasheet |
- | 8-CDIP (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 | - | - | -55°C ~ 125°C (TA) | Military | MIL-STD-883B | Through Hole | 8-CDIP |
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SG1845Y-DESCIC REG CTRLR FLYBACK 8CDIP |
0 | - |
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Datasheet |
- | 8-CDIP (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 | - | - | -55°C ~ 125°C (TA) | Military | MIL-STD-883B | Through Hole | 8-CDIP |
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MAX15026DATD+TIC REG CTRLR BUCK 14TDFN |
0 | - |
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Datasheet |
- | 14-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 28V | 200kHz ~ 2MHz | 88% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TDFN (3x3) |
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ISL78223AAZ-TIC REG CTRLR FULL-BRIDGE 20QSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 9V ~ 16V | Up to 2MHz | 99% | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 105°C (TA) | Automotive | AEC-Q100 | Surface Mount | 20-QSOP |
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ISL6440IAZ-T7IC REG CTRLR BUCK 24QSOP |
0 | - |
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Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 5.6V ~ 24V | 300kHz | 93% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QSOP |
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ISL95873HRUZ-TIC REG CTRLR BUCK 16UTQFN |
0 | - |
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Datasheet |
Robust Ripple Regulator™ (R3) | 16-UFQFN | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.3V ~ 5.25V | 300kHz | - | Yes | No | - | Current Limit, Enable, Phase Control, Power Good | -10°C ~ 100°C (TA) | - | - | Surface Mount | 16-UTQFN (2.6x1.8) |
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MAX15046CAEE+TIC REG CTRLR BUCK 16QSOP |
0 | - |
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Datasheet |
- | 16-LSSOP (0.154", 3.90mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 1MHz | 87.5% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QSOP-EP |
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MAX15511GTL+IC CPU CONTROLLER DUAL QFN |
0 | - |
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* | - | Tray | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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MAX15511TGTL+TIC CPU CONTROLLER DUAL QFN |
0 | - |
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* | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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MAX5014CSAIC REG CTRLR FLYBACK 8SOIC |
0 | - |
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- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 13V ~ 36V | 275kHz | 85% | No | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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MAX5014CSA-TIC REG CTRLR FLYBACK 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 | 1 | 1 | 13V ~ 36V | 275kHz | 85% | No | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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MAX5014ESAIC REG CTRLR FLYBACK 8SOIC |
0 | - |
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- |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 13V ~ 36V | 275kHz | 85% | No | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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MAX5014ESA-TIC REG CTRLR FLYBACK 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 | 1 | 1 | 13V ~ 36V | 275kHz | 85% | No | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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MAX5021EUAIC REG CTRLR MULT TOPOLOGY 8UMAX |
0 | - |
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- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 11V ~ 28V | 262kHz | 50% | No | No | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-uMAX/uSOP |
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MAX5021EUT-TIC REG CTRLR MULT TOP SOT23-6 |
0 | - |
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- | SOT-23-6 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 11V ~ 28V | 262kHz | 50% | No | No | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-6 |
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MAX5038AEAI15IC REG CTRLR BUCK 28SSOP |
0 | - |
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- | 28-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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MAX5038AEAI15-TIC REG CTRLR BUCK 28SSOP |
0 | - |
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- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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MAX5038AEAI18IC REG CTRLR BUCK 28SSOP |
0 | - |
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- | 28-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
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MAX5038AEAI18-TIC REG CTRLR BUCK 28SSOP |
0 | - |
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- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 28V | 250kHz, 500kHz | - | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |

