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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL6551ARDUAL SWITCHING CONTROLLER |
1,001 | - |
|
Datasheet |
- | 28-VQFN Exposed Pad | 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-QFN (6x6) |
|
ISL6551ABDUAL SWITCHING CONTROLLER |
826 | - |
|
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 |
|
LTC3879IUD#TRPBFIC REG CTRLR BUCK 16QFN |
0 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 38V | - | - | Yes | No | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
|
ISL6522CBZ-TSWITCHING CONTROLLER |
7,500 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10.8V ~ 13.2V | 200kHz | 100% | Yes | No | - | Enable, Frequency Control, Phase Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
|
LM5025DMTC/NOPBIC REG CTRLR FWRD CONV 16TSSOP |
440 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 580kHz | 80% | No | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
|
ISL6522CBZSWITCHING CONTROLLER |
1,125 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10.8V ~ 13.2V | 200kHz | 100% | Yes | No | - | Enable, Frequency Control, Phase Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
LT3757IDDLT3757 - BOOST, FLY, SEPIC & INV |
7,903 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive and Negative | Boost, Flyback, SEPIC | 1 | 1 | 2.9V ~ 40V | 100kHz ~ 1MHz | - | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 10-DFN (3x3) |
|
CA3524FREGULATING PULSE WIDTH MODULATOR |
32,936 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down | Positive | Flyback, Push-Pull | 2 | 1 | 8V ~ 40V | Up to 300kHz | 45% | No | No | - | Current limit, Dead Time Control, Enable, Frequency Control, Ramp | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-CERDIP |
|
UCC39421NIC REG CTRLR MULT TOPOLOGY 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 8V | 150kHz ~ 1.2MHz | 88% | Yes | Yes | - | Enable, Frequency Control, Low Battery, Reset | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
UCC39421N0.00065A, 2000KHZ BICMOS, PDIP16 |
4,659 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 8V | 150kHz ~ 1.2MHz | 88% | Yes | Yes | - | Enable, Frequency Control, Low Battery, Reset | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
ISL6420IRZ-TKSWITCHING CONTROLLER |
310 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.6V ~ 16V | 100kHz ~ 1.4MHz | 96% | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (4x4) |
|
TPS40052PWPRIC REG CTRLR BUCK 16HTSSOP |
0 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10V ~ 40V | 100kHz ~ 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
UCC3884DIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 8.3V ~ 15V | - | 78% | No | Yes | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
MAX8594AETG+5-OUTPUT PMICS WITH DC-DC CORE S |
1,230 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
ISL6420AIRZ-TKR5264SWITCHING CONTROLLER |
31,000 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.6V ~ 28V | 100kHz ~ 1.4MHz | 96% | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (4x4) |
|
LTC3822EGN-1#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 | 2.75V ~ 4.5V | 300kHz, 550kHz, 750kHz | 99% | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
MAX1651CSA-TSTEP-DOWN DC-DC CONTROLLER |
2,500 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 16V | Up to 300kHz | 90.5% | No | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UCC28084PIC REG CTRLR MULT TOPOLOGY 8DIP |
0 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Half-Bridge, Push-Pull | 2 | 1 | 4.1V ~ 15V | 200kHz | 49% | Yes | No | - | Current Limit, Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
LV5044V-TLM-ESTEP-DOWN DC-DC CONTROLLER |
1,000 | - |
|
Datasheet |
- | 30-LSSOP (0.220", 5.60mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 16V | 250kHz ~ 1.1MHz | 82% | Yes | No | - | Current Limit, Power Good, Soft Start | -20°C ~ 85°C (TA) | - | - | Surface Mount | 30-SSOP |
|
TPS40020PWPIC REG CTRLR BUCK 16HTSSOP |
0 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 100kHz ~ 1MHz | 95% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
