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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SG3524JVOLTAGE MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback, Push-Pull | 2 | 1 | 8V ~ 40V | 100Hz ~ 300kHz | 49% | Yes | No | - | Enable | 0°C ~ 70°C (TA) | Military | MIL-STD-883 | Through Hole | 16-CERDIP |
|
SG2843DM-TR0, HIGH-RELIABILITY ISOLATED SWI |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 30V | 100Hz ~ 500kHz | 95% | No | No | - | - | -25°C ~ 85°C (TA) | Military | MIL-STD-883 | Surface Mount | 8-SOIC |
|
SG1843L-DESCCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 20-CLCC | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 30V | 100Hz ~ 500kHz | 95% | No | No | - | - | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Surface Mount | 20-CLCC (8.89x8.89) |
|
SG1527AJ-JANVOLTAGE MODE PWMS, |
0 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 8V ~ 35V | 100Hz ~ 500kHz | 49% | No | Yes | - | Dead Time Control, Enable, Frequency Control, Ramp, Reset, Soft Start, Sync | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Through Hole | 16-CERDIP |
|
SG3845DCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 100Hz ~ 500kHz | 48% | Yes | No | - | - | 0°C ~ 70°C (TA) | Military | MIL-STD-883 | Surface Mount | 8-SOIC |
|
UC2843AYPWM CONTROLLER, |
0 | - |
|
Datasheet |
- | 8-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | 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 ~ 85°C (TA) | - | - | Through Hole | 8-CERDIP |
|
SG1525AL-883BVOLTAGE MODE PWMS, |
0 | - |
|
Datasheet |
- | 20-CLCC | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive | Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 350kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Surface Mount | 20-CLCC (8.89x8.89) |
|
SG1843L-883BCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 20-CLCC | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 30V | 100Hz ~ 500kHz | 95% | No | No | - | - | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Surface Mount | 20-CLCC (8.89x8.89) |
|
SG3845DM-TRPWM CONTROLLERS, HIGH-RELIABILIT |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 100Hz ~ 500kHz | 48% | Yes | No | - | - | 0°C ~ 70°C (TA) | Military | MIL-STD-883 | Surface Mount | 8-SOIC |
|
SG1845J-DESCCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 14-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 100Hz ~ 500kHz | 48% | Yes | No | - | - | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Through Hole | 14-CERDIP |
|
SG2526BDW-TR0, HIGH-RELIABILITY ISOLATED SWI |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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) | Military | MIL-STD-883 | Surface Mount | 18-SOIC |
|
SG1846FPWM CONTROLLER, HIGH-RELIABILITY |
0 | - |
|
Datasheet |
- | 16-CFlatPack | Tray | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Push-Pull | 2 | 1 | 8V ~ 40V | 1kHz ~ 500kHz | - | Yes | Yes | - | Current Limit, Enable | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Surface Mount | 16-CFlatPack |
|
SG2843DCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 30V | 100Hz ~ 500kHz | 95% | No | No | - | - | -25°C ~ 85°C (TA) | Military | MIL-STD-883 | Surface Mount | 14-SOIC |
|
SG3846NCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Push-Pull | 2 | 1 | 8V ~ 40V | 1kHz ~ 500kHz | - | Yes | Yes | - | Current Limit, Enable | 0°C ~ 70°C (TA) | Military | MIL-STD-883 | Through Hole | 16-PDIP |
|
SG2525ADW-TRVOLTAGE MODE PWMS, |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | 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) | Military | MIL-STD-883 | Surface Mount | 16-SOIC |
|
SG1526BLVOLTAGE MODE PWMS, HIGH-RELIABIL |
0 | - |
|
- |
- | 20-CLCC | Tray | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Flyback | 2 | 1 | 8V ~ 35V | 1Hz ~ 500kHz | 49% | Yes | No | - | Enable, Reset, Soft Start | -55°C ~ 150°C (TJ) | Military | MIL-STD-883 | Surface Mount | 20-CLCC (8.89x8.89) |
|
SG1845JCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 14-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 100Hz ~ 500kHz | 48% | Yes | No | - | - | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Through Hole | 14-CERDIP |
|
SG1846J-DESCCURRENT MODE PWMS, HIGH-RELIABIL |
0 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Push-Pull | 2 | 1 | 8V ~ 40V | 1kHz ~ 500kHz | - | Yes | Yes | - | Current Limit, Enable | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Through Hole | 16-CERDIP |
|
UC1843AYPWM CONTROLLER, |
0 | - |
|
Datasheet |
- | 8-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -55°C ~ 125°C (TA) | - | - | Through Hole | 8-CERDIP |
|
SG1527AJ-883BVOLTAGE MODE PWMS, |
0 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Tray | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 8V ~ 35V | 100Hz ~ 500kHz | 49% | No | Yes | - | Dead Time Control, Enable, Frequency Control, Ramp, Reset, Soft Start, Sync | -55°C ~ 125°C (TA) | Military | MIL-STD-883 | Through Hole | 16-CERDIP |

