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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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ISL6527AIRZIC REG CTRLR BUCK 16QFN |
0 | - |
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Datasheet |
- | 16-VQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 3.63V | 600kHz | 100% | Yes | No | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (5x5) |
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ISL6744ABZ-TR5252IC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | 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-SOIC |
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ISL6755AAZAIC REG CTRLR FULL-BRIDGE 20QSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 9V ~ 16V | Up to 2MHz | 99% | No | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 20-QSOP |
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LM5037MT/NOPBIC REG CTRLR MULT TOP 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 13V ~ 100V | 200kHz, 508kHz | - | No | Yes | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
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LM5037MTX/NOPBIC REG CTRLR MULT TOP 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 13V ~ 100V | 200kHz, 508kHz | - | No | Yes | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
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MAX741DCAP+IC REG CTRLR BUCK/BOOST 20SSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 2.7V ~ 15.5V | - | - | No | Yes | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SSOP |
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MAX741UCAP+TIC REG CTRLR BUCK/BOOST 20SSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 2.7V ~ 15.5V | - | - | No | Yes | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SSOP |
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MAX741DCAP+TIC REG CTRLR BUCK/BOOST 20SSOP |
0 | - |
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Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 2.7V ~ 15.5V | - | - | No | Yes | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SSOP |
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KA3511DSIC REG CTRLR 22DIP |
0 | - |
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Datasheet |
- | 22-DIP (0.400", 10.16mm) | Tube | Obsolete | Transistor Driver | - | Positive | - | 2 | 1 | 14V ~ 30V | 10kHz | 48% | No | No | - | Dead Time Control, Enable, Frequency Control, Power Good | -25°C ~ 85°C (TA) | - | - | Through Hole | 22-DIP |
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KA3883CIC REG CTRLR 8DIP |
0 | - |
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- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | - | Positive | - | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | Yes | No | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-DIP |
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KA3883CDTFIC REG CTRLR 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | - | Positive | - | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | Yes | No | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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KA7500BIC REG CTRLR BUCK 16DIP |
0 | - |
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Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7V ~ 42V | 1kHz ~ 300kHz | 45% | Yes | No | - | Dead Time Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
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UC3842ADXIC REG CTRLR PWM 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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UC3843ADIC REG CTRLR 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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UC3843ADXIC REG CTRLR 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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UC3843DIC REG CTRLR 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOP |
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UC3843DXIC REG CTRLR 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOP |
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UC3843NIC REG CTRLR 8DIP |
0 | - |
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Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-DIP |
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UC3844DIC REG CTRLR PWM CM 14-SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOP |
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UC3844DXIC REG CTRLR PWM CM 14-SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOP |

