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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL6401CBZSWITCHING CONTROLLER |
1,751 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 500kHz | 48% | No | Yes | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC2847NIC REG CTRLR MULT TOPOLOGY 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | 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) | - | - | Through Hole | 16-PDIP |
|
UC2847N0.5A, 500KHZ BICMOS, PDIP16 |
842 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Bulk | 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 | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
MAX741UCPP+IC REG CTRLR BUCK/BOOST 20DIP |
0 | - |
|
Datasheet |
- | 20-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 2.7V ~ 15.5V | - | - | No | Yes | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 20-PDIP |
|
TPS5120QDBTRQ1IC REG CTRLR BUCK 30TSSOP |
0 | - |
|
Datasheet |
- | 30-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 300kHz | 83% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 30-TSSOP |
|
TPS5120QDBTRQ1G4IC REG CTRLR BUCK 30TSSOP |
0 | - |
|
Datasheet |
- | 30-TFSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 300kHz | 83% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 30-TSSOP |
|
UC2824DWTRSWITCHING CONTROLLER, VOLTAGE-MO |
5,000 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 8.4V ~ 30V | 340kHz ~ 460kHz | 80% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6569CBZ-TSWITCHING CONTROLLER |
7,000 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SOIC |
|
ISL6569ACRZSWITCHING CONTROLLER |
3,605 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6569CBZSWITCHING CONTROLLER |
218 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SOIC |
|
ISL6269ACRZIC REG CTRLR BUCK 16QFN |
330 | - |
|
Datasheet |
Robust Ripple Regulator™ (R3) | 16-VQFN Exposed Pad | Tray | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V ~ 25V | 200kHz ~ 600kHz | - | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good | -10°C ~ 100°C (TA) | - | - | Surface Mount | 16-QFN (4x4) |
|
MAX1637EEEIC REG CTRLR BUCK 16QSOP |
0 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.15V ~ 5.5V | 200kHz ~ 300kHz | 96% | Yes | Yes | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QSOP |
|
ISL6551IRDUAL SWITCHING CONTROLLER |
561 | - |
|
Datasheet |
- | 28-VQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge | 1 | 1 | 10.8V ~ 13.2V | 50kHz ~ 500kHz | 50% | Yes | No | - | Current Limit, Dead Time Control, Enable, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 28-QFN (6x6) |
|
|
LTC3875IUJ#TRPBFIC REG CTRLR BUCK 40QFN |
0 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 720kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
HA16150TELL-EPUSH-PULL PWM CONTROL |
5,940 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
ISL6401CBSWITCHING CONTROLLER |
393 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 500kHz | 48% | No | Yes | - | Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UCC35702NIC REG CTRLR MULT TOPOLOGY 14DIP |
0 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Bulk | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.8V ~ 15V | 100kHz | 99% | No | Yes | - | Current Limit, Frequency Control, Sequencing, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
|
MAX1791EUBIC REG CTRLR BUCK 10UMAX |
0 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V ~ 20V | 300kHz | - | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
LM25119PSQX/NOPBIC REG CTRLR BUCK 32WQFN |
4,126 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 42V | 50kHz ~ 750kHz | - | Yes | No | - | Enable, Frequency Control, Ramp, Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-WQFN (5x5) |
|
MAX1980EGP-TQUICK-PWM DC-DC CONVERTER |
600 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 200kHz, 300kHz, 550kHz | - | Yes | No | - | Current Limit, On Time Control, Pulse Skipping | -40°C ~ 100°C (TA) | - | - | Surface Mount | 20-QFN (4x4) |
