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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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SC1159SWIC FET CTLR LINEAR DDR SOIC |
0 | - |
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Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 11.4V ~ 13V | - | - | Yes | No | - | Current Limit, Power Good, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SO |
|
SC2442HIC REG CTRLR BUCK 24TSSOP |
0 | - |
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Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 30V | 1.1MHz | 94% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-TSSOP |
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SC4510IC REG CTRLR BUCK 20TSSOP |
0 | - |
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Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 16V | 100kHz ~ 1MHz | 90% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TJ) | - | - | Surface Mount | 20-TSSOP |
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AP3101MTR-E1IC PWM CTLR CURR MOD |
0 | - |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | PWM | - | Positive | - | 1 | - | 20V | 65kHz | 90% | Yes | No | - | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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AP3101P-G1IC PWM CONTROLLER SO-8 |
0 | - |
|
- |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | PWM | - | Positive | - | 1 | - | 20V | 65kHz | 90% | Yes | No | - | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
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AP3102MTR-G1IC PWM CONTROLLER SO |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | PWM Signal | - | Positive | - | 1 | - | 10V ~ 25V | 65kHz | 80% | No | No | - | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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AP3720MTR-G1IC PWM CONTROLLER |
0 | - |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | PWM | - | Positive | - | 1 | - | 12V ~ 18V | 65kHz | 83% | No | No | - | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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MP3900DK-LFIC REG CTRLR BOOST 8MSOP |
0 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 8.6V ~ 12V | 330kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-MSOP |
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MP3908DK-LFIC REG CTRLR MULT TOP 10MSOP |
0 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter, SEPIC | 1 | 1 | 4.5V ~ 10V | 260kHz | 81% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-MSOP |
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MAX20098ATEA/V+IC REG CTLR BUCK QFN |
0 | - |
|
Datasheet |
- | 16-TQFN Exposed Pad | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | - | 3.5V ~ 42V | 2.2MHz | 99% | Yes | Yes | - | Power Good | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | - |
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MAX16126TCA/V+TCN6IC INTEGRATED CIRCUIT |
0 | - |
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Datasheet |
* | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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LM34937QPSQ/NOPBIC REGULATOR SMD |
0 | - |
|
- |
- | 24-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | 50kHz ~ 650kHz | - | Yes | Yes | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-WQFN (4x5) |
|
NCV891930MW00R2GIC CTLR SYNC BUCK 24QFNW |
0 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 45V | 2MHz | 60% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start, Sync | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 24-QFNW (4x4) |
|
|
MAX20048ATGA/VY+TIC 40V BUCK BOOST CONTR 24TQFN |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 1 | 2V ~ 40V | 220kHz ~ 2.2MHz | - | Yes | Yes | - | - | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 24-SWTQFN (4x4) |
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MAX1771C/DIC REG CTRLR BST/BUCK-BOOST |
0 | - |
|
Datasheet |
- | Die | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Buck-Boost | 1 | 1 | 3V ~ 16.5V | Up to 300kHz | 50% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | Die |
|
MAX15301AD00+TCJFIC INTEGRATED CIRCUIT |
0 | - |
|
- |
* | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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MAX662AMSA/PR+IC POWER MANAGEMENT |
0 | - |
|
- |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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SC1084CTIC REGULATOR |
0 | - |
|
- |
* | - | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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SUR1620CTIC REGULATOR SMD |
0 | - |
|
- |
- | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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HSC9-51128R4640IC PWM CONTROLLER |
0 | - |
|
- |
- | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |

