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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LM2743MTC/NOPBIC REG CTRLR BUCK 14TSSOP |
176 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 6V | 50kHz ~ 1MHz | 80% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
TPS40305DRCTIC REG CTRLR BUCK 10SON |
10,320 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 1.2MHz | 85% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-VSON (3x3) |
|
TL1451ACNSRIC REG CTRLR BUCK/BST/FLYBK 16SO |
1,057 | - |
|
Datasheet |
- | 16-SOIC (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 2 | 1 | 3.6V ~ 50V | 1kHz ~ 500kHz | - | No | No | - | Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
|
TPS51219RTETIC REG CTRLR BUCK 16WQFN |
5,210 | - |
|
Datasheet |
D-CAP™, D-CAP2™ | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 28V | - | - | Yes | No | - | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-WQFN (3x3) |
|
UCC2897APWIC REG CTRLR MULT TOP 20TSSOP |
1,367 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.5V ~ 16V | 250kHz | 70% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
|
UCC2897ARGPTIC REG CTRLR MULT TOPOLOGY 20QFN |
337 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.5V ~ 16V | 250kHz | 70% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-QFN (4x4) |
|
TPS40192DRCTIC REG CTRLR BUCK 10SON |
685 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 18V | 600kHz | 85% | Yes | No | - | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-VSON (3x3) |
|
|
NCV898031D1R2GIC REG CTRLR BOOST/SEPIC 8SOIC |
4,938 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, SEPIC | 1 | 1 | 3.2V ~ 40V | 2MHz | 88% | No | No | - | Current Limit, Enable | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
TPS40304DRCTIC REG CTRLR BUCK 10SON |
794 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 600kHz | 90% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-VSON (3x3) |
|
|
TPS43061RTETIC REG CTRLR BOOST 16WQFN |
1,104 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 38V | 50kHz ~ 1MHz | - | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 16-WQFN (3x3) |
|
HV9120NG-G-M901IC REG CTRLR FLYBACK 16SOIC |
1,117 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 10V ~ 450V | 3MHz | 49.4% | No | No | - | Enable, Frequency Control, Reset | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SOIC |
|
LM5085QMYE/NOPBIC REG CTRLR BUCK 8MSOP |
1,855 | - |
|
Datasheet |
- | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | Up to 1MHz | 100% | No | No | - | Current Limit, Enable, On Time Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-HVSSOP |
|
LM5085QMY/NOPBIC REG CTRLR BUCK 8MSOP |
1,732 | - |
|
Datasheet |
- | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | Up to 1MHz | 100% | No | No | - | Current Limit, Enable, On Time Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-HVSSOP |
|
|
NCV887001D1R2GIC REG CTRLR BOOST/FLYBACK 8SOIC |
1,795 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback | 1 | 1 | 3.2V ~ 40V | 100kHz | 93% | No | Yes | - | Current Limit, Enable | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
ISL6558CBZAIC REG CTRLR BUCK 16SOIC |
369 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
UC28023DWRIC REG CTRLR MULT TOP 16SOIC |
518 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 9V ~ 30V | 340kHz ~ 460kHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LM51521QRGRRQ1AUTOMOTIVE 2.2 MHZ WIDE VIN LOW |
3,175 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 0.8V ~ 42V | 100kHz ~ 2.2MHz | 80%, 94% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Ramp, Soft Start, Tracking | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 20-VQFN (3.5x3.5) |
|
|
NCV887104D1R2GIC REG CTRLR BOOST/FLYBACK 8SOIC |
4,962 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback | 1 | 1 | 3.2V ~ 40V | 340kHz | 93% | No | Yes | - | Current Limit, Enable | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
|
NCV887103D1R2GIC REG CTRLR BOOST/FLYBACK 8SOIC |
2,066 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback | 1 | 1 | 3.2V ~ 40V | 340kHz | 93% | No | Yes | - | Current Limit, Enable | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
BD9615MUV-LBE2IC REG 3.5V TO 60V INPUT 1CH |
4,379 | - |
|
Datasheet |
- | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3.5V ~ 60V | 100kHz ~ 2.5MHz | 90% | No | Yes | - | Enable, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | VQFN16KV3030 |

