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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RT8106ZQWIC REG CTRLR BUCK 10WDFN |
0 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 13.2V | 300kHz | - | Yes | No | - | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WDFN (3x3) |
|
RT8232AZQWIC POWER MGMT |
0 | - |
|
- |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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R7732RGEIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | SOT-23-6 | Bulk | Obsolete | PWM | Step-Up, Step-Down | Positive | Flyback | 1 | 1 | 12V ~ 25V | 65kHz | 75% | No | No | - | Current Limit | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-6 |
|
R7780AGNIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Obsolete | PWM | - | Positive | - | 1 | 1 | 12V ~ 25V | 65kHz | 75% | No | No | - | Current Limit | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-DIP |
|
R7780AGSIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width), 7 Leads | Bulk | Obsolete | PWM | - | Positive | - | 1 | 1 | 12V ~ 25V | 65kHz | 75% | No | No | - | Current Limit | -40°C ~ 85°C (TA) | - | - | Surface Mount | 7-SOP |
|
RT9917GQWIC POWER MANAGEMENT |
0 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Bulk | Obsolete | PWM | Step-Up, Step-Down | Positive | Buck, Boost | 7 | - | 2.7V ~ 5.5V | 1MHz | 100% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 40-WQFN (5x5) |
|
RT8120FGSIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 13.2V | 300kHz | 85% | Yes | No | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
RT8120FGSPIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 13.2V | 300kHz | 85% | Yes | No | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP-EP |
|
RT9214APSIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V, 12V | 300kHz | 100% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
RT9214CPSIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 12V | 300kHz | 100% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
RT9214PSIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V, 12V | 300kHz | 100% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
RT9214PSPIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V, 12V | 300kHz | 100% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP-EP |
|
RT9214ZSIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V, 12V | 300kHz | 100% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
RT9214ZSPIC REGULATOR CONTROLLER |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V, 12V | 300kHz | 100% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP-EP |
|
MAX16933ATIR/VY+IC REGULATOR |
0 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tray | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 36V | 200kHz ~ 1MHz | 98.5% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 28-TQFN-EP (5x5) |
|
|
LTC3873EDDB#TRMIC REG CTRLR MULT TOPOLOGY 8DFN |
0 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 8.4V ~ 60V | 200kHz | 78% | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 8-DFN (3x2) |
|
LT3757IDDIC REG CTRLR MULT TOPOLOGY 10DFN |
0 | - |
|
- |
- | 10-WFDFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.9V ~ 40V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
LTC3773EUHFIC REG CTRLR BUCK 38QFN |
0 | - |
|
- |
- | 38-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 3.3V ~ 36V | 220kHz ~ 560kHz | 98.5% | Yes | No | - | Enable, Power Good, Tracking | -40°C ~ 85°C | - | - | Surface Mount | 38-QFN (5x7) |
|
LTC3808EDEIC REG CTRLR BUCK 14-DFN |
0 | - |
|
Datasheet |
- | 14-WFDFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 9.8V | 250kHz ~ 750kHz | 100% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-DFN (4x3) |
|
MAX17621ATA+5.5V, 1A SYNCHRONOUS STEP-DOWN R |
0 | - |
|
- |
* | - | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |

