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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RT8106GQWIC 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) |
|
RT8202GQWIC REG CTRLR BUCK 16WQFN |
0 | - |
|
Datasheet |
- | 16-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | - | - | Yes | No | - | Current Limit, Enable, On Time Control, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-WQFN (4x4) |
|
RT8203GAIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 4 | 1 | 7V ~ 24V | 200kHz, 300kHz, 400kHz, 500kHz | 80%, 84%, 88%, 92% | Yes | No | - | Current Limit, Enable, On Time Control, Phase Control, Power Good | -10°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
RT9618AGSIC REG CTRLR BUCK 8SOP |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7.3V ~ 13.5V | 200kHz ~ 500kHz | - | Yes | No | - | Enable, Phase Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOP |
|
ZL2004ALNN-01IC REG CTRLR BUCK PMBUS 32QFN |
0 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tray | Obsolete | PWM Signal | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 10V | 400kHz | - | - | Yes | I2C, PMBus, SMBus | Current Limit, Enable, Power Good, Soft Start, Tracking | 0°C ~ 65°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6327ACRZIC REG CTRLR BUCK 48QFN |
0 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 6 | 6 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | - | - | No | - | Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 48-QFN (7x7) |
|
ZL6100ALAFIC REG CTRLR BUCK PMBUS 36QFN |
0 | - |
|
Datasheet |
Digital-DC™ | 36-VFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 200kHz ~ 1.4MHz | 95% | Yes | Yes | I2C, PMBus, SMBus | Current Limit, Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-QFN (6x6) |
|
FAN1577AMXIC REG CTRLR BUCK 20SOIC |
0 | - |
|
- |
- | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 8V ~ 15V | 340kHz | 90% | Yes | No | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SOIC |
|
IRS27951SPBFIC REG CTRLR BUCK/HALF-BRG 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Half-Bridge | 2 | 2 | 12V ~ 18V | Up to 500kHz | 50% | Yes | No | - | Enable, Frequency Control | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
IRS27951STRPBFIC REG CTRLR BUCK/HALF-BRG 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Half-Bridge | 2 | 2 | 12V ~ 18V | Up to 500kHz | 50% | Yes | No | - | Enable, Frequency Control | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
IRS27952SPBFIC REG CTRLR BUCK/HALF-BRG 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Half-Bridge | 2 | 2 | 12V ~ 18V | Up to 500kHz | 50% | Yes | No | - | Enable, Frequency Control | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
SI9110DJ-E3IC REG CTRLR MULT TOPOLOGY 14DIP |
0 | - |
|
- |
- | 14-DIP (0.300", 7.62mm) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Cuk, Flyback, Forward Converter, Push-Pull | 1 | 1 | 9.5V ~ 13.5V | 40kHz ~ 1MHz | - | No | No | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Through Hole | 14-PDIP |
|
SI9110DY-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
- |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Cuk, Flyback, Forward Converter, Push-Pull | 1 | 1 | 9.5V ~ 13.5V | 40kHz ~ 1MHz | - | No | No | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
SI9110DY-T1-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
- |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Cuk, Flyback, Forward Converter, Push-Pull | 1 | 1 | 9.5V ~ 13.5V | 40kHz ~ 1MHz | - | No | No | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
SI9111DY-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
- |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Cuk, Flyback, Forward Converter, Push-Pull | 1 | 1 | 9.5V ~ 13.5V | 40kHz ~ 1MHz | - | No | No | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
SI9111DY-T1-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
- |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Cuk, Flyback, Forward Converter, Push-Pull | 1 | 1 | 9.5V ~ 13.5V | 40kHz ~ 1MHz | - | No | No | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
SI9112DY-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Cuk, Flyback, Forward Converter, Push-Pull | 1 | 1 | 9V ~ 13.5V | 40kHz ~ 1MHz | - | No | No | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
SI9112DY-T1-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Cuk, Flyback, Forward Converter, Push-Pull | 1 | 1 | 9V ~ 13.5V | 40kHz ~ 1MHz | - | No | No | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
SI9114ADY-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 9.5V ~ 16.5V | 20kHz ~ 2MHz | 50% | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
SI9114ADY-T1-E3IC REG CTRLR MULT TOP 14SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 9.5V ~ 16.5V | 20kHz ~ 2MHz | 50% | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |

