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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL6341CRZIC REG CTRLR BUCK 10-TDFN |
4,987 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tray | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 14.4V | 300kHz | 85% | Yes | No | - | Enable, Phase Control, Power Good, Power on Reset | 0°C ~ 70°C (TA) | - | - | Surface Mount | 10-TDFN-EP (3x3) |
|
MAX1961EEPPWM STEP-DOWN CONTROLLER |
392 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.35V ~ 5.5V | 500kHz, 1MHz | 92% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QSOP |
|
MAX8525EEI+IC REG CTRLR BUCK 28QSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.5V ~ 5.5V | 150kHz ~ 1.2MHz | - | No | Yes | - | Current Limit, Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-QSOP |
|
TPS40131RHBRIC REG CTRLR BUCK 32QFN |
0 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 100kHz ~ 1.2MHz | 87.5% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-VQFN (5x5) |
|
LTC1622CS8#TRPBFIC REG CTRLR BUCK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2V ~ 10V | - | 100% | No | Yes | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SO |
|
LM3753SQ/NOPBDUAL SWITCHING CONTROLLER, VOLTA |
3,000 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 18V | 200kHz ~ 1MHz | 81% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Tracking | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 32-WQFN (5x5) |
|
MAX775CSAINVERTING DC-TO-DC CONTROLLER |
1,738 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Negative | Buck | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UCC2580N-3IC REG CTRLR FWRD CONV 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive or Negative | Forward Converter | 2 | 1 | 8.5V ~ 16V | 400kHz | 66% | No | No | - | Enable, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
UCC2580N-1IC REG CTRLR FWRD CONV 16DIP |
0 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Forward Converter | 2 | 1 | 8.5V ~ 16V | 400kHz | 66% | No | No | - | Enable, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
UCD9112RHBTIC REG CTRLR BUCK 32VQFN |
0 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | PWM Signal | Step-Down | Positive | Buck | 2 | 1 | 3.14V ~ 3.46V | 250kHz ~ 1MHz | 100% | No | No | - | Current Limit, Power Good, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-VQFN (5x5) |
|
|
NX2147CMTRIC REG CTRLR BUCK MLPQ-16L |
2,990 | - |
|
Datasheet |
- | 16-VQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 22V | - | - | Yes | No | - | Enable, On Time Control | -10°C ~ 100°C (TA) | - | - | Surface Mount | 16-MLPQ (4x4) |
|
MAX746CSE-TG068PWM, STEP-DOWN DC-DC CONTROLLER |
1,000 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 15V | 100kHz | 96% (Typ) | No | No | - | Current Limit, Frequency Control, Pulse Skipping, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
CA2524FXREGULATING PULSE WIDTH MODULATOR |
233 | - |
|
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 | - | - | Through Hole | 16-CERDIP |
|
ISL6445IAZDUAL SWITCHING CONTROLLER |
470 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 5.6V ~ 24V | 1.4MHz | 73% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QSOP |
|
|
UCC3580D-3IC REG CTRLR FWRD CONV 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive or Negative | Forward Converter | 2 | 1 | 8.5V ~ 16V | 400kHz | 66% | No | No | - | Enable, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ADP1879ACPZ-1.0-R7IC REG CTRLR BUCK 14LFCSP |
0 | - |
|
Datasheet |
- | 14-WFDFN Exposed Pad, CSP | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.25V ~ 20V | 1MHz | 45% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-LFCSP-WD (4x3) |
|
|
LM5025MTC/NOPBIC REG CTRLR FWRD CONV 16TSSOP |
7,261 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Last Time Buy | 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 |
|
SI-8511NVS-TLIC REG CTRLR BUCK 24TSSOP |
2,787 | - |
|
Datasheet |
- | 24-LSSOP (0.220", 5.60mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 400kHz | - | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -20°C ~ 85°C (TA) | - | - | Surface Mount | 24-TSSOP |
|
LM5025ASD/NOPBIC REG CTRLR FWRD CONV 16WSON |
1,978 | - |
|
Datasheet |
- | 16-WFDFN Exposed Pad | Tape & Reel (TR) | Last Time Buy | 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-WSON (5x5) |
|
ADP1878ACPZ-1.0-R7IC REG CTRLR BUCK 14LFCSP |
0 | - |
|
Datasheet |
- | 14-WFDFN Exposed Pad, CSP | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.25V ~ 20V | 1MHz | 45% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-LFCSP-WD (4x3) |
