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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC3878IGN#TRPBFIC REG CTRLR BUCK 16SSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 38V | - | - | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
LTC3851AIGN#TRPBFIC REG CTRLR BUCK 16SSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SSOP |
|
IRU3146CFTRIC REG CTRLR BUCK 28TSSOP |
9,772 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 16V | 300kHz | 85% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-TSSOP |
|
ISL6406IRZSWITCHING CONTROLLER |
438 | - |
|
Datasheet |
- | 16-VQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 3.63V | 100kHz ~ 715kHz | 96% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (5x5) |
|
TL1464IPTRIC REG CTRLR 48LQFP |
0 | - |
|
Datasheet |
- | 48-LQFP | Tape & Reel (TR) | Discontinued at Digi-Key | - | - | - | - | 4 | 1 | 3.1V ~ 12V | 50kHz ~ 2MHz | 100% | - | No | - | Dead Time Control, Frequency Control | -20°C ~ 75°C (TA) | - | - | Surface Mount | 48-LQFP (7x7) |
|
MAX8579EUB+IC REG CTRLR BUCK 10UMAX |
0 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 28V | 200kHz ~ 500kHz | - | Yes | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
LT3740EDHC#TRPBFIC REG CTRLR BUCK 16-DFN |
0 | - |
|
Datasheet |
- | 16-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.2V ~ 22V | 300kHz | - | Yes | No | - | Current Limit, Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-DFN (5x3) |
|
UC3863DWTRIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 22V | 50kHz ~ 500kHz | 100% | No | No | - | Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ADP3040ARMZ-REEL7IC REG PWM BOOST 8MSOP |
52,355 | - |
|
Datasheet |
* | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 8-MSOP |
|
|
MAX1651CSAIC REG CTRLR BUCK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16V | Up to 300kHz | 96.5% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
MAX1651CPAIC REG CTRLR BUCK 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16V | Up to 300kHz | 96.5% | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
ADP3040ARM-REEL7IC REG PWM BOOST 8MSOP |
1,000 | - |
|
Datasheet |
* | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 8-MSOP |
|
LM5121QMHX/NOPBSYNCHRONOUS BOOST CONTROLLER |
0 | - |
|
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% | No | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-HTSSOP |
|
UCC2897PW-TISWITCHING CONTROLLER, VOLTAGE-MO |
2,583 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Active | 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 |
|
TPS51125ARGERIC REG CTRLR BUCK 24QFN |
0 | - |
|
Datasheet |
D-CAP™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 5.5V ~ 28V | - | - | Yes | No | - | Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
LM5034MTCIC REG CTRLR FWRD CONV 20TSSOP |
0 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Last Time Buy | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 2 | 13V ~ 100V | 200kHz, 600kHz | 76% | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
|
LM5034MTC-NSSWITCHING CONTROLLER, CURRENT-MO |
642 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 2 | 13V ~ 100V | 200kHz, 600kHz | 76% | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
|
ISL6744AUZ-TR5252SWITCHING CONTROLLER |
1,470 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge | 1 | 1 | 9V ~ 16V | Up to 1MHz | 99% | Yes | No | - | Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-MSOP |
|
MAX5041BEAI+AVERAGE-CURRENT-MODE CONTROLLER |
2,358 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 5.5V, 8V ~ 28V | 250kHz, 500kHz | - | No | Yes | - | Enable, Phase Control, Power On Reset, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
ISL6551AB-TDUAL SWITCHING CONTROLLER |
1,909 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Push-Pull | 2 | 1 | 10.8V ~ 13.2V | Up to 1MHz | 50% | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync | -40°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
