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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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TL494CDR2GIC REG CTRLR BCK/PSH-PULL 16SOIC |
8,439 | - |
|
Datasheet |
SWITCHMODE™ | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 7V ~ 40V | 200kHz | 48% | Yes | No | - | Dead Time Control, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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TL594CDR2GIC REG CTRLR BCK/PSH-PULL 16SOIC |
4,184 | - |
|
Datasheet |
SWITCHMODE™ | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | 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) | - | - | Surface Mount | 16-SOIC |
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LM51551DSSRIC POWER MANAGEMENT |
2,420 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 45V | 100kHz ~ 2.2MHz | 93% | No | Yes | - | Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-WSON (3x2) |
|
UCC28C53QDRQ1AUTOMOTIVE, 30-V, LOW-POWER CURR |
3,693 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, SEPIC | 1 | 1 | 28V | 1MHz | 100% | No | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
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MCP1650R-E/MSIC REG CTRLR MULT TOPOLOGY 8MSOP |
569 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.7V ~ 5.5V | 750kHz | 80% | No | No | - | Current Limit, Enable, Low Battery, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-MSOP |
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MCP1650RT-E/MSIC REG CTRLR MULT TOPOLOGY 8MSOP |
495 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.7V ~ 5.5V | 750kHz | 80% | No | No | - | Current Limit, Enable, Low Battery, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-MSOP |
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TPS40304DRCRIC REG CTRLR BUCK 10SON |
24,675 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 600kHz | 90% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-VSON (3x3) |
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LM3481QMMX/NOPBIC REG CTRLR MULT TOP 10MSOP |
2,869 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 48V | 100kHz ~ 1MHz | 85% | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 10-VSSOP |
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LM3489QMM/NOPBIC REG CTRLR BUCK 8MSOP |
3,581 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 35V | Up to 1MHz | 100% | No | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-VSSOP |
|
LM5156HPWPR2.2MHZ WIDE INPUT NONSYNCHRONOUS |
5,172 | - |
|
Datasheet |
- | 14-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 60V | 100kHz ~ 2.2MHz | 93% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 14-HTSSOP |
|
LM51561HPWPR2.2 MHZ WIDE INPUT NONSYNCHRONOU |
4,563 | - |
|
Datasheet |
- | 14-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 60V | 100kHz ~ 2.2MHz | 93% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 14-HTSSOP |
|
LM51561DSSR2.2MHZ WIDE INPUT NONSYNCHRONOUS |
1,926 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 60V | 100kHz ~ 2.2MHz | 93% | No | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-WSON (3x2) |
|
UC2842BNGIC REG CTRLR BST FLYBK ISO 8-DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | 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 | -25°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3842BNGIC REG CTRLR BST FLYBK ISO 8-DIP |
2,536 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | 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) | - | - | Through Hole | 8-PDIP |
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UC3845BNGIC REG CTRLR BOOST/FLYBACK 8DIP |
677 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
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UC2844BNGIC REG CTRLR PWM CM 8-DIP |
542 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3844BNGIC REG CTRLR PWM CM 8-DIP |
508 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3843BNGIC REG CTRLR FLYBACK 8DIP |
470 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | 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) | - | - | Through Hole | 8-PDIP |
|
SG3525ANIC REG CTRLR BCK/PUSH-PULL 16DIP |
3,299 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-DIP |
|
UC2524ADWTRIC REG CTRLR MULT TOP 16SOIC |
2,658 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 40V | 500kHz | 45% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |

