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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL68312IRAZ-T7ASINGLE PHASE FULL DIGI DC/DC CON |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | No | No | PMBus | Enable | - | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68301IRAZSNG PHASE FULL DIGI DC/DC CONTLR |
0 | - |
|
- |
- | 24-VFQFN Exposed Pad | Tube | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | Yes | Yes | PMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68301IRAZ-TKSINGLE PHASE FULL DIGI DC/DC CON |
0 | - |
|
- |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | Yes | Yes | PMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68300IRAZSINGLE PHASE FULL DIGI DC/DC CON |
0 | - |
|
- |
- | 24-VFQFN Exposed Pad | Tube | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | No | Yes | I2C, PMBus, SMBus | Enable, Power Good | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68300IRAZ-TSINGLE PHASE FULL DIGI DC/DC CON |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | No | Yes | I2C, PMBus, SMBus | Enable, Power Good | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68312IRAZ-TSINGLE PHASE FULL DIGI DC/DC CON |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | No | No | PMBus | Enable | - | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68301IRAZ-TSINGLE PHASE FULL DIGI DC/DC CON |
0 | - |
|
- |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | Yes | Yes | PMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68137IRAZAVS X+Y 7 PHASE DIGI CONTLR 48LD |
0 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tray | Obsolete | PWM Signal | - | Positive | - | 2 | 7 | 3.135V ~ 3.465V | 200kHz ~ 1MHz | - | No | No | AVSBus, PMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 48-QFN (6x6) |
|
ISL68300IRAZ-TKSINGLE PHASE FULL DIGI DC/DC CON |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 200kHz ~ 1MHz | - | No | Yes | I2C, PMBus, SMBus | Enable, Power Good | -40°C ~ 85°C | - | - | Surface Mount | 24-QFN (4x4) |
|
ISL68127IRAZPMBUS X+Y 7 PHASE DIGI CONTLR 48 |
0 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tray | Obsolete | PWM Signal | - | Positive | - | 7 | 7 | 3.135V ~ 3.465V | 200kHz ~ 1MHz | - | No | No | PMBus | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 48-QFN (6x6) |
|
LTC3805EMSEIC REG CTRLR FLYBACK 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 8.8V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LT3748MPMS#TRIC REG CTRLR FLYBACK 16MSOP |
0 | - |
|
- |
- | 16-TFSOP (0.118", 3.00mm Width), 12 Leads | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 5V ~ 100V | - | - | No | No | - | Enable, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 16-MSOP |
|
LTC1871HMSIC REG CTRLR MULT TOP 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 36V | 50kHz ~ 1MHz | 92% | No | Yes | - | Enable, Frequency Control | -40°C ~ 150°C | - | - | Surface Mount | 10-MSOP |
|
LTC3805HMSE#TRIC REG CTRLR FLYBACK 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 8.8V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC1871IMS-7IC REG CTRLR MULT TOP 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 6V ~ 36V | 50kHz ~ 1MHz | 92% | No | Yes | - | Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP |
|
LT3758EMSEIC REG CTRLR MULT TOP 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LT3757IMSEIC REG CTRLR MULT TOP 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 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-MSOP-EP |
|
LTC3824IMSEIC REG CTRLR BUCK 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 60V | 200kHz ~ 600kHz | 100% | No | Yes | - | Current Limit, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LT3758HMSEIC REG CTRLR MULT TOP 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive or Negative, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 5.5V ~ 100V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC3704IMSIC REG CTRLR CUK 10MSOP |
0 | - |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive or Negative | Cuk | 1 | 1 | 2.5V ~ 36V | 50kHz ~ 1MHz | 92% | No | Yes | - | Enable, Frequency Control | -40°C ~ 85°C | - | - | Surface Mount | 10-MSOP |

