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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UC2846DWTRIC REG CTRLR MULT TOP 16SOIC |
3,034 | - |
|
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 | 2 | 1 | 6.95V ~ 40V | 500kHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LM5145RGYRLM5145RGYR |
3,028 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 75V | 100kHz ~ 1MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 20-VQFN (3.5x4.5) |
|
|
MAX25431ATGA/VY+IC REG CTRLR BUCK/BOOST 24SWTQFN |
702 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tray | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 6V ~ 36V | 2.2MHz | - | No | Yes | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TA) | Automotive | AEC-Q101 | Surface Mount, Wettable Flank | 24-SWTQFN (4x4) |
|
LM5088MHX-1/NOPBIC REG CTRLR BUCK 16HTSSOP |
4,092 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | 50kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-HTSSOP |
|
LM3150MHE/NOPBIC REG CTRLR BUCK 14TSSOP |
2,305 | - |
|
Datasheet |
SIMPLE SWITCHER® | 14-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 42V | Up to 1MHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-HTSSOP |
|
LM3150MH/NOPBIC REG CTRLR BUCK 14TSSOP |
1,094 | - |
|
Datasheet |
SIMPLE SWITCHER® | 14-PowerTSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 42V | Up to 1MHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-HTSSOP |
|
LM5123QRGRRQ12.2MHZ WIDE VIN LOW IQ SYNCHRONO |
1,723 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 3.8V ~ 42V | 100kHz ~ 2.2MHz | 94% | Yes | Yes | - | Dead Time Control, Enable, Power Good, Soft Start, Sync, Tracking | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-VQFN (3.5x3.5) |
|
MP2908AGF-ZIC REG BUCK ADJUSTABLE 20TSSOP |
4,405 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Adjustable | Step-Down | Positive | Buck | 1 | - | 4V ~ 60V | 1MHz | 99.5% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
|
LM5148QRGYRQ1AUTOMOTIVE, 80-V SYNCHRONOUS BUC |
3,253 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 80V | 100kHz ~ 2.2MHz | 100% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 24-VQFN (5.5x3.5) |
|
LM25116MHX/NOPBIC REG CTRLR BUCK 20TSSOP |
5,416 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 42V | 50kHz ~ 1MHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
LM25117PMHX/NOPBIC REG CTRLR BUCK 20TSSOP |
2,707 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | 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) | - | - | Surface Mount | 20-HTSSOP |
|
LM5642MTCX/NOPBIC REG CTRLR BUCK 28TSSOP |
3,527 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 200kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |
|
TPS40400RHLRIC REG CTRLR BUCK PMBUS 24QFN |
2,695 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 200kHz ~ 2MHz | 90% | Yes | Yes | PMBus | Power Good, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-VQFN (5.5x3.5) |
|
|
NCP1034DR2GIC REG CTRLR BUCK 16SOIC |
22,249 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10V ~ 18V | 25kHz ~ 500kHz | 80% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SOIC |
|
LM5122MHX/NOPBIC REG CTRLR MULT TOP 20HTSSOP |
6,921 | - |
|
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% | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
TPS40055PWPRIC REG CTRLR BUCK 16HTSSOP |
2,786 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | 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 |
|
MAX17597ATE+TIC REG CTRLR BOOST/FLYBK 16TQFN |
6,516 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback | 1 | 1 | 4.5V ~ 36V | 100kHz ~ 1MHz | 92.5% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TQFN (3x3) |
|
UCC3895DWTRIC OFFLINE SW FULL-BRDG 20SOIC |
2,275 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
|
UC3825DWTRIC REG CTRLR MULT TOP 16SOIC |
964 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8.4V ~ 30V | 340kHz ~ 460kHz | 85% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL8843AABZ-TIC REG CTRLR BOOST/FLYBACK 8SOIC |
5,260 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 30V | Up to 2MHz | 96% | No | No | - | Current Limit, Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |

