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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MCP19122T-E/MJDIGITALLY ENHANCED POWER ANALOG |
4,173 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 1 | 2 | 4.5V ~ 40V | 100kHz ~ 1.6MHz | - | Yes | Yes | I2C, PMBus, SMBus | Enable, Frequency Control, Power Good, Soft Start, Watchdog | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
|
MCP19122-E/MJDIGITALLY ENHANCED POWER ANALOG |
511 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 1 | 2 | 4.5V ~ 40V | 100kHz ~ 1.6MHz | - | Yes | Yes | I2C, PMBus, SMBus | Enable, Frequency Control, Power Good, Soft Start, Watchdog | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount | 24-QFN (4x4) |
|
TPS59124RGETIC REG CTRLR BUCK 24VQFN |
0 | - |
|
Datasheet |
D-CAP™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3V ~ 28V | Selectable | - | Yes | No | - | Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
MAX1845ETXSTEP-DOWN CONTROLLER |
370 | - |
|
Datasheet |
- | 36-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 2V ~ 5.5V, 4.5V ~ 28V | 200kHz, 300kHz, 420kHz, 540kHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-TQFN (6x6) |
|
|
TL1454ACPWRIC REG CTRLR MULT TOP 16TSSOP |
0 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback | 2 | 1 | 3.6V ~ 20V | 50kHz ~ 2MHz | 100% | Yes | No | - | Dead Time Control, Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
MAX1540ETJ+IC REG CTRLR BUCK 32TQFN |
0 | - |
|
Datasheet |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
TL1454ACDBRIC REG CTRLR MULT TOP 16SSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback | 2 | 1 | 3.6V ~ 20V | 50kHz ~ 2MHz | 100% | Yes | No | - | Dead Time Control, Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
SG2845DMIC REG CTRLR FLYBACK 8SOIC |
1,888 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 48% | Yes | No | - | - | -25°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC1735CS#TRPBFIC REG CTRLR BUCK 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 30V | 300kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
TPS5210DWIC REG CTRLR BUCK 28SOIC |
0 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 11.4V ~ 13V | - | - | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SOIC |
|
|
CS5124XD8GIC REG CTRLR MULT TOPOLOGY 8SOIC |
108 | - |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 7.7V ~ 20V | 400kHz | 82.5% | No | No | - | Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UC2856QDWRQ1IC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
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 ~ 125°C (TJ) | - | - | Surface Mount | 16-SOIC |
|
LTC3813EG#TRPBFIC REG CTRLR BOOST 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 6.35V ~ 14V | - | - | Yes | Yes | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC3703EG#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 9.3V ~ 15V | 100kHz ~ 600kHz | 93% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1622IS8#TRIC REG CTRLR BUCK 8SOIC |
19,000 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2V ~ 10V | - | 100% | No | Yes | - | Enable, Soft Start | -45°C ~ 85°C (TA) | - | - | Surface Mount | 8-SO |
|
ISL6755AAZASWITCHING REGULATOR/CONTROLLER |
3,566 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 9V ~ 16V | Up to 2MHz | 99% | No | No | - | Frequency Control, Ramp, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 20-QSOP |
|
MAX767REAP+IC REG CTRLR BUCK 20SSOP |
0 | - |
|
Datasheet |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX797CSEIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 4.5V ~ 30V | 150kHz, 300kHz | 96% | Yes | Yes | - | Enable, Pulse Skipping, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
UC3847DWIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull | 2 | 1 | 6.95V ~ 40V | 500kHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC3736EGN-2#TRPBFIC REG CTRLR BUCK 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 2.75V ~ 9.8V | 300kHz ~ 750kHz | 100% | Yes | Yes | - | Current Limit, Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
