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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LM25141RGETLOW VOLTAGE LM5141- SYNC BUCK CO |
938 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Half-Bridge | 1 | 1 | 3.8V ~ 42V | 2.2MHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 125°C (TA) | Automotive | AEC-Q101 | Surface Mount | 24-VQFN (4x4) |
|
|
LM25117QPSQE/NOPBIC REG CTRLR BUCK 24WQFN |
1,154 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 750kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 24-WQFN (4x4) |
|
ISL6752AAZAIC REG CTRLR FULL-BRIDGE 16QSOP |
2,239 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 9V ~ 16V | Up to 2MHz | 99% | Yes | No | - | Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-QSOP |
|
LM5121QMHE/NOPBSYNCHRONOUS BOOST CONTROLLER |
381 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 65V | Up to 1MHz | 100% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
LM5121QMH/NOPBIC REG CTRLR BOOST 20HTSSOP |
24 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 65V | Up to 1MHz | 100% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
LM5122QMH/NOPBIC REG CTRLR MULT TOP 20HTSSOP |
162 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tray | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 65V | Up to 1MHz | 100% | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
LTC3803IS6#TRPBFIC REG CTRLR FLYBACK TSOT23-6 |
6,159 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 5.7V ~ 8V | 200kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
LTC3803IS6#TRMPBFIC REG CTRLR FLYBACK TSOT23-6 |
4,463 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 5.7V ~ 8V | 200kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
LM5117PMHE/NOPBIC REG CTRLR BUCK 20TSSOP |
291 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 65V | 200kHz, 480kHz | - | Yes | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
MAX8548EUB+IC REG CTRLR BUCK 10UMAX |
199 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 28V | 100kHz | 95% | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
UC3867DWIC REG CTRLR MULT TOP 16SOIC |
294 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 22V | 50kHz ~ 500kHz | 100% | No | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC3805IMSE#TRPBFIC REG CTRLR FLYBACK 10MSOP |
6,905 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 3.95V ~ 9.5V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
LTC3805IMSE#PBFIC REG CTRLR FLYBACK 10MSOP |
532 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 3.95V ~ 9.5V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP-EP |
|
|
LTC3805IDD-5#PBFIC REG CTRLR MULT TOPOLOGY 10DFN |
58 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 3.95V ~ 9.5V | 70kHz ~ 700kHz | 80% | No | Yes | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
MAX8546EUB+IC REG CTRLR BUCK 10UMAX |
212 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 28V | 300kHz | 86% | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
ISL6721AVZIC REG CTRLR BOOST/FLYBK 16TSSOP |
633 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
|
MAX1627ESA+IC REG CTRLR BUCK 8SOIC |
219 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16.5V | 300kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC3775IUD#PBFIC REG CTRLR BUCK 16QFN |
948 | - |
|
Datasheet |
PolyPhase® | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 250kHz ~ 1MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
|
LTC3775IMSE#PBFIC REG CTRLR BUCK 16MSOP |
50 | - |
|
Datasheet |
PolyPhase® | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 250kHz ~ 1MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
|
MAX25201ATED/VY+36V HV SYNC BOOST CONTROLLER FOR |
155 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 1.8V ~ 36V | 220kHz ~ 2.2MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TA) | - | - | Surface Mount, Wettable Flank | 16-TQFN (3x3) |

