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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MAX1962EEPPWM STEP-DOWN CONTROLLER |
3,626 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.35V ~ 5.5V | 500kHz, 1MHz | 92% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QSOP |
|
|
LM5025CMTCE/NOPBIC REG CTRLR FWRD CONV 16TSSOP |
135 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Last Time Buy | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 580kHz | 91% | No | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
|
MAX1745EUB-TG069STEP-DOWN DC-DC CONTROLLER |
1,991 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 36V | Up to 330kHz | 100% | No | No | - | Enable | -40°C ~ 85°C | Automotive | AEC-Q100 | Surface Mount | 10-uMAX |
|
UC2863NIC REG CTRLR MULT TOPOLOGY 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 22V | 50kHz ~ 500kHz | 100% | No | No | - | Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
UC2863NSWITCHING CONTROLLER, VOLTAGE-MO |
615 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 22V | 50kHz ~ 500kHz | 100% | No | No | - | Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
MAX1844ETP+IC REG CTRLR BUCK 20-TQFN |
0 | - |
|
Datasheet |
- | 20-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 200kHz, 300kHz, 450kHz, 600kHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TQFN (4x4) |
|
|
LM5032MTC/NOPBIC REG CTRLR FWRD CONV 16TSSOP |
443 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Last Time Buy | Transistor Driver | Step-Up/Step-Down | Positive | Forward Converter | 2 | 2 | 13V ~ 100V | 200kHz, 600kHz | 76% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
|
ISL6553CBZSWITCHING CONTROLLER |
480 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 5.25V | 50kHz ~ 1.5MHz | - | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
TPS40091PWRIC REG CTRLR BUCK 24TSSOP |
0 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.5V ~ 15V | 100kHz ~ 1.2MHz | 87.5% | No | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-TSSOP |
|
|
UCC29421PWTRIC REG CTRLR MULT TOP 16TSSOP |
0 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 8V | 150kHz ~ 1.2MHz | 88% | Yes | Yes | - | Enable, Frequency Control, Low Battery, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
MAX1957EUB+TIC REG CTRLR BUCK 10UMAX |
0 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 300kHz | 89% | Yes | No | - | Current Limit | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
UCC29421NIC REG CTRLR MULT TOPOLOGY 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 8V | 150kHz ~ 1.2MHz | 88% | Yes | Yes | - | Enable, Frequency Control, Low Battery, Reset | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
UCC29421N0.00065A, 2000KHZ BICMOS, PDIP16 |
1,040 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 8V | 150kHz ~ 1.2MHz | 88% | Yes | Yes | - | Enable, Frequency Control, Low Battery, Reset | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
UC2847DWIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 6.95V ~ 40V | 500kHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
TPS53126RGERIC 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 | 350kHz, 700kHz | - | Yes | No | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
MAX1775EEEIC REG CTRLR BUCK 16QSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 2.7V ~ 28V | Up to 1.25MHz | 100% | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QSOP |
|
LM25116MHSWITCHING CONTROLLER, CURRENT-MO |
244 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 42V | 50kHz ~ 1MHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
|
DS1050Z-010PWM 5BIT 10KHZ 2-WIRE 8SOIC |
11,370 | - |
|
Datasheet |
* | 8-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 8-SOIC |
|
UC2824QSWITCHING CONTROLLER |
1,380 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UCC28084DIC REG CTRLR MULT TOPOLOGY 8SOIC |
701 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Half-Bridge, Push-Pull | 2 | 1 | 4.1V ~ 15V | 200kHz | 49% | Yes | No | - | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
