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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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UCC28220PWIC REG CTRLR MULT TOP 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback, Forward Converter | 2 | 1 | 8.4V ~ 14.5V | 200kHz ~ 2MHz | 75% | No | No | - | Ramp, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
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ISL6228HRTZ-TIC REG CTRLR BUCK 28TQFN |
0 | - |
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Datasheet |
Robust Ripple Regulator™ (R3) | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.3V ~ 25V | 200kHz ~ 600kHz | - | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good | -10°C ~ 100°C (TA) | - | - | Surface Mount | 28-TQFN (4x4) |
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LM5035BMH/NOPBIC REG CTRLR HALF-BRIDGE 20TSSOP |
0 | - |
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Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tube | Last Time Buy | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Half-Bridge | 1 | 1 | 13V ~ 105V | 200kHz, 500kHz | - | Yes | Yes | - | Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
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LTC3872IDDB#TRPBFIC REG CTRLR BOOST 8DFN |
0 | - |
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Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-DFN (3x2) |
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MAX1744EUB-TIC REG CTRLR BUCK 10UMAX |
0 | - |
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- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 36V | Up to 330kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
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LTC3863EDE#TRPBFIC REG CTRLR BUCK 12DFN |
0 | - |
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Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | - | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-DFN (4x3) |
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LTC3872IDDB-1#TRMPBFIC REG CTRLR BOOST 8DFN |
0 | - |
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Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-DFN (3x2) |
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LTC3872IDDB-1#TRPBFIC REG CTRLR BOOST 8DFN |
0 | - |
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Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-DFN (3x2) |
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LTC3872ITS8-1#TRPBFIC REG CTRLR BOOST TSOT23-8 |
0 | - |
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Datasheet |
- | SOT-23-8 Thin, TSOT-23-8 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-8 |
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UCC2807D-3G4IC REG CTRLR MULT TOPOLOGY 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 4.1V ~ 13.5V | 202kHz | 78% | No | No | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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LM5025CMTCX/NOPBIC REG CTRLR FWRD CONV 16TSSOP |
0 | - |
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Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 580kHz | 91% | No | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
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MAX20028ATJA/VY+TIC REG |
0 | - |
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Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM | Step-Down | Positive | Buck | 3 | - | 3.5 ~ 36V | 350kHz ~ 2.1MHz | 97.2% | Yes | Yes | - | Enable | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 32-WETQFN (5x5) |
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MAX772ESAIC REG CTRLR BOOST 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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LTC7802EUFDM#TRPBF40V, LOW IQ DUAL PHSE SYCH STP-D |
0 | - |
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Datasheet |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 28-QFN (4x5) |
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LTC7802EUFDM-3.3#TRPBF40V LOW IQ DUAL BUCK CTL W/ 3.3V |
0 | - |
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Datasheet |
- | 28-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 28-QFN (4x5) |
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TPS40055PWPG4IC REG CTRLR BUCK 16HTSSOP |
0 | - |
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Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | Up to 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
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TPS40057PWPG4IC REG CTRLR BUCK 16HTSSOP |
0 | - |
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Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | Up to 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
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IR3094MTRPBFIC REG CTRLR BUCK 48MLPQ |
0 | - |
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Datasheet |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 8V ~ 16V | 200kHz | 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | 0°C ~ 150°C (TJ) | - | - | Surface Mount | 48-MLPQ (7x7) |
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UCC2897PWG4IC REG CTRLR MULT TOP 20TSSOP |
0 | - |
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Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.5V ~ 14.5V | 250kHz | 74% | Yes | Yes | - | Enable, On Time Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 20-TSSOP |
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ISL6558IRZIC REG CTRLR BUCK 20QFN |
0 | - |
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Datasheet |
- | 20-VQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (5x5) |
