Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
TL2842BDRIC REG CTRLR BST FLYBK CM 14SOIC |
2,400 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
NCP1378PGIC REG CTRLR FLYBACK 7DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm), 7 Leads | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 8.4V ~ 18V | - | - | No | No | - | Current Limit | 0°C ~ 125°C (TJ) | - | - | Through Hole | 7-PDIP |
|
MAX5021EUA+IC REG CTRLR MULT TOPOLOGY 8UMAX |
0 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | 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 |
|
ISL6729IUSWITCHING REGULATOR |
2,735 | - |
|
Datasheet |
- | 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 | 4.75V ~ 5.25V | Up to 1MHz | 99% | Yes | No | - | - | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-MSOP |
|
ISL6729IU-TSWITCHING REGULATOR |
2,500 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 4.75V ~ 5.25V | Up to 1MHz | 99% | Yes | No | - | - | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-MSOP |
|
S-8356M33MC-MEST2GIC REG CTRLR BOOST SOT23-5 |
6,000 | - |
|
Datasheet |
- | SC-74A, SOT-753 | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 0.9V ~ 10V | 300kHz | 85% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 |
|
|
TL2843DRIC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC3844DSWITCHING CONTROLLER |
24,144 | - |
|
Datasheet |
- | 14-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Buck, Buck-Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOP |
|
|
TL3843DRIC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC3843DSWITCHING CONTROLLER |
10,903 | - |
|
Datasheet |
- | 14-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOP |
|
|
UC3845DSWITCHING CONTROLLER |
9,265 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
TL594CNGIC REG CTRLR BCK/PUSH-PULL 16DIP |
0 | - |
|
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 | 300kHz | 96% | Yes | No | - | Dead Time Control, Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
NCV3012DTBR2GIC REG CTRLR BUCK 14TSSOP |
0 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.7V ~ 28V | 75kHz | 86% | Yes | Yes | - | Enable, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
ISL6439AIR-TSWITCHING CONTROLLER |
12,000 | - |
|
Datasheet |
- | 16-VQFN Exposed Pad | 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 | 16-QFN (5x5) |
|
CS3844GD8SWITCHING CONTROLLER |
6,961 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
TL2844BPIC REG CTRLR BST FLYBK PWM 8-DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
ISL6439IR-TSWITCHING CONTROLLER |
6,000 | - |
|
Datasheet |
- | 16-VQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 3.63V | 300kHz | 100% | Yes | No | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (5x5) |
|
UC2845AQSWITCHING CONTROLLER |
2,891 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-SOIC |
|
UC2843AQ1A, 500KHZ BIPOLAR, PQCC20 |
2,249 | - |
|
Datasheet |
- | 20-LCC (J-Lead) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, 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 ~ 125°C (TJ) | - | - | Surface Mount | 20-PLCC (9x9) |
|
MIC38C43XBMBICMOS CURRENT-MODE PWM CONTROLL |
110,704 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
