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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL6520BCBZ-TSWITCHING CONTROLLER |
6,141 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | 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 |
|
TPS53127RGERIC REG CTRLR BUCK 24VQFN |
0 | - |
|
Datasheet |
D-CAP2™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 24V | 700kHz | - | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
ISL6520BCBZ-TIC REG CTRLR BUCK 8SOIC |
2,500 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | 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 |
|
ISL6527IBZ-TSWITCHING CONTROLLER |
2,500 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | 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 | 14-SOIC |
|
MIC2186BMLOW VOLTAGE PWM CONTROL IC |
2,090 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.9V ~ 14V | 100kHz, 200kHz, 400kHz | 85% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6520BCBZSWITCHING CONTROLLER |
1,062 | - |
|
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 |
|
ISL6557ACBSWITCHING CONTROLLER |
517 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Current Limit, Enable, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SOIC |
|
MIC38C45YMMIC REG CTRLR MULT TOPOLOGY 8MSOP |
298 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | 500kHz | 50% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-MSOP |
|
ISL6559CB-TSWITCHING CONTROLLER |
36,000 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SOIC |
|
UC2825QIC REG CTRLR MULT TOP 20PLCC |
0 | - |
|
Datasheet |
- | 20-LCC (J-Lead) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8.4V ~ 30V | 340kHz ~ 460kHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |
|
CS5304GDWR32GSWITCHING CONTROLLER |
5,524 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
NCV887801D1R2GIC REG CTRLR BOOST 8SOIC |
4,968 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2V ~ 40V | 450kHz | 83% | No | No | - | Current Limit, Enable | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
MAX770CPASTEP-UP DC-DC CONTROLLER |
1,270 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | Up to 300kHz | - | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
NCV887300D1R2GIC REG CTRLR BOOST 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3.2V ~ 40V | 1MHz | 86.5% | No | Yes | - | Current Limit, Enable | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
UC3844AMIC REG CTRLR PWM CM 8-DIP |
1,666 | - |
|
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 | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-DIP |
|
ISL6522CB-TR5190VOLTAGE MODE PWM CONTROLLER |
4,948 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10.8V ~ 13.2V | 200kHz | 1 | Yes | No | - | Enable, Frequency Control, Phase Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
ISL6526ACBZSWITCHING CONTROLLER |
3,759 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 3.63V | 300kHz | 100% | Yes | No | - | Enable, Phase Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
MAX652CPASTEP-DOWN DC-DC CONTROLLER |
2,953 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 16.5V | Up to 300kHz | - | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
ISL6522CBZ-TR5190SWITCHING CONTROLLER |
2,151 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10.8V ~ 13.2V | 200kHz | 100% | Yes | No | - | Enable, Frequency Control, Phase Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
ISL6551IB-TZVS FULL BRIDGE PWM CONTROLLER |
2,000 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 10.8V ~ 13.2V | 50kHz ~ 500kHz | 50% | Yes | No | - | Current Limit, Dead Time Control, Enable, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 28-SOIC |
