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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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LX1553IDMIC REG CTRLR BUCK/BOOST 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 7.6V ~ 30V | - | 96% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LX1553IMIC REG CTRLR BUCK/BOOST 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 7.6V ~ 30V | - | 96% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-DIP |
|
LX1555IDMIC REG CTRLR BUCK/BOOST 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 7.6V ~ 30V | - | 48% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LX1741CDUIC REG CTRLR BOOST 8MSOP |
0 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 1.6V ~ 6V | - | - | No | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-MSOP |
|
LX1741CLMIC REG CTRLR BOOST 8MLP |
0 | - |
|
Datasheet |
- | 8-VDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 1.6V ~ 6V | - | - | No | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-MLP (3x3) |
|
SG2524NIC REG CTRLR MULT TOPOLOGY 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback, Push-Pull | 2 | 1 | 8V ~ 40V | 100kHz ~ 300kHz | 49% | Yes | No | - | Enable | -25°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
SG2525ADWIC REG CTRLR PUSH-PULL 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive | Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 350kHz | 49% | Yes | Yes | - | Enable, Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
SG2526BDWIC REG CTRLR BUCK/FLYBACK 18SOIC |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 500kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 18-SOIC |
|
|
SG2526BNIC REG CTRLR BUCK/FLYBACK 18DIP |
0 | - |
|
Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 500kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | -25°C ~ 85°C (TA) | - | - | Through Hole | 18-PDIP |
|
|
SG2526DWIC REG CTRLR BUCK/FLYBACK 18SOIC |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 350kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 18-SOIC |
|
|
SG2526NIC REG CTRLR BUCK/FLYBACK 18DIP |
0 | - |
|
Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 350kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | -25°C ~ 85°C (TA) | - | - | Through Hole | 18-PDIP |
|
SG2843DMIC REG CTRLR BUCK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 95% | No | No | - | - | -25°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
SG2846DWIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
- |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Push-Pull | 2 | 1 | 8V ~ 40V | 1Hz ~ 500kHz | - | Yes | Yes | - | Current Limit, Enable | -25°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
SG3524DIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback, Push-Pull | 2 | 1 | 8V ~ 40V | 100kHz ~ 300kHz | 49% | Yes | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
SG3525ANIC REG CTRLR PUSH-PULL 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
|
SG3526BDWIC REG CTRLR BUCK/FLYBACK 18SOIC |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 500kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 18-SOIC |
|
|
SG3526BNIC REG CTRLR BUCK/FLYBACK 18DIP |
0 | - |
|
Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 500kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 18-PDIP |
|
|
SG3526DWIC REG CTRLR BUCK/FLYBACK 18SOIC |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 350kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 18-SOIC |
|
|
SG3526NIC REG CTRLR BUCK/FLYBACK 18DIP |
0 | - |
|
Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 350kHz | 49% | Yes | No | - | Dead Time Control, Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 18-PDIP |
|
SG3845DMIC REG CTRLR FLYBACK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 48% | Yes | No | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |

