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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TPS53126RGETIC REG CTRLR BUCK 24VQFN |
488 | - |
|
Datasheet |
D-CAP2™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 24V | 350kHz, 700kHz | - | Yes | No | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
ADP1851ACPZ-R7IC REG CTRLR BUCK 16LFCSP |
0 | - |
|
Datasheet |
- | 16-WQFN Exposed Pad, CSP | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 20V | 200kHz ~ 1.5MHz | 90% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-LFCSP (4x4) |
|
|
MAX5070BASA+IC REG CTRLR FLYBACK 8SOIC |
316 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 10.8V ~ 30V | 20kHz ~ 1MHz | 49.8% | No | No | - | Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
TPS51124RGERIC REG CTRLR BUCK 24QFN |
6,718 | - |
|
Datasheet |
D-CAP™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 5.5V | - | - | Yes | No | - | Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
TPS40422RHARIC REG CTRLR BUCK PMBUS 40VQFN |
2,227 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 20V | 100kHz ~ 1MHz | - | Yes | Yes | PMBus | Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-VQFN (6x6) |
|
LM5122MHE/NOPBIC REG CTRLR MULT TOP 20HTSSOP |
6,967 | - |
|
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 |
|
LM5122ZAPWPT3-65V WIDE VIN, CURRENT MODE SYN |
6,601 | - |
|
Datasheet |
- | 24-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 | 24-HTSSOP |
|
LTC3833IFE#PBFIC REG CTRLR BUCK 20TSSOP |
0 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 200kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
|
LTC3803ES6-5#TRPBFIC REG CTRLR FLYBACK TSOT23-6 |
8,503 | - |
|
Datasheet |
- | SOT-23-6 Thin, TSOT-23-6 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 4V ~ 8.1V | 200kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
A7987TR61 V 3A ASYNCHRONOUS STEP-DOWN S |
9,737 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck-Boost | 1 | 1 | 4.5V ~ 61V | 250kHz ~ 1.5MHz | 100% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-HTSSOP |
|
UCC2895PWIC OFFLINE SW FULL-BRG 20TSSOP |
51 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Active | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-TSSOP |
|
|
LTC3873IDDB-5#TRMPBFIC REG CTRLR MULT TOPOLOGY 8DFN |
539 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 4.1V ~ 60V | - | 78% | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-DFN (3x2) |
|
LTC3803IS6-3#TRMPBFIC REG CTRLR FLYBACK TSOT23-6 |
1,440 | - |
|
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 | 300kHz | 80% | No | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | TSOT-23-6 |
|
LTC3835EGN-1#PBFIC REG CTRLR BUCK 16SSOP |
100 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
UC2856QDWRIC REG CTRLR MULT TOP 16SOIC |
1,893 | - |
|
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 | 7V ~ 40V | 200kHz | 47% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
UC2572DTRIC REG CTRLR FLYBACK 8SOIC |
2,265 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Negative | Flyback | 1 | 1 | 4.75V ~ 30V | 100kHz | 92% | No | No | - | Current Limit, Ramp | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LM25118MHE/NOPBIC REG CTRLR BUCK 20TSSOP |
3,038 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 3V ~ 42V | Up to 500kHz | 75% | No | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
TFS7708HIC REG CTRLR MULT TOP ESIP-16F |
298 | - |
|
Datasheet |
HiperTFS™-2 | 16-SSIP, 12 Leads, Exposed Pad, Formed Leads | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 2 | 1 | Up to 11.5V | 66kHz, 132kHz | 63% | No | No | - | Enable, Reset | -40°C ~ 150°C (TJ) | - | - | Through Hole | eSIP-16F |
|
TPS40051PWPIC REG CTRLR BUCK 16HTSSOP |
249 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | 500kHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
|
LM5127QRGZRQ142V WIDE-VIN TRIPLE BUCK AND BOO |
2,258 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, SEPIC | 3 | 1 | 0.8V ~ 42V | 100kHz ~ 2.2MHz | 94% | No | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount, Wettable Flank | 48-VQFN (7x7) |

