| Photo | Mfr. Part # | Availability | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UC3827N-2IC REG CTRLR MULT TOPOLOGY 24DIP |
3,655 |
|
Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Full-Bridge, Push-Pull | 3 | 1 | 7.6V ~ 20V | 220kHz | 91% | Yes | Yes | - | Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 24-PDIP |
|
UC3827N-1IC REG CTRLR MULT TOPOLOGY 24DIP |
1,540 |
|
Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Full-Bridge, Push-Pull | 3 | 1 | 7.6V ~ 20V | 220kHz | 91% | Yes | Yes | - | Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 24-PDIP |
|
MAX1716EEG+IC REG CTRLR BUCK 24QSOP |
1,713 |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2V ~ 28V | 200kHz, 300kHz, 400kHz, 550kHz | 100% | Yes | No | - | Current Limit, Enable, On Time Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QSOP |
|
UC2842ADIC REG CTRLR PWM CM 14-SOIC |
3,847 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC2842ADMIC REG CTRLR BST FLYBK ISO 8SOIC |
2,299 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
ISL6526AIRZIC REG CTRLR BUCK 16QFN |
1,175 |
|
Datasheet |
- | 16-VQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 3.63V | 600kHz | 100% | Yes | No | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (5x5) |
|
LTC1735CGN#TRPBFIC REG CTRLR BUCK 16SSOP |
3,737 |
|
Datasheet |
- | 16-SSOP (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-SSOP |
|
LTC3736EUF-2#TRPBFIC REG CTRLR BUCK 24QFN |
1,063 |
|
Datasheet |
- | 24-WFQFN Exposed Pad | 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-QFN (4x4) |
|
|
LTC3853IUJ#TRPBFIC REG CTRLR BUCK 40QFN |
1,106 |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 24V | 250kHz ~ 750kHz | 98% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
MAX1639ESEIC REG CTRLR BUCK 16SOIC |
1,340 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 300kHz ~ 1MHz | 90% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
UPC1099CX(22)-ASWITCHING CONTROLLER |
1,009 |
|
- |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LTC3773EUHF#TRPBFIC REG CTRLR BUCK 38QFN |
2,385 |
|
Datasheet |
- | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 3.3V ~ 36V | 220kHz ~ 560kHz | 98.5% | Yes | No | - | Enable, Power Good, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 38-QFN (5x7) |
|
|
LTC3770EUH#TRPBFIC REG CTRLR BUCK 32QFN |
2,905 |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 32V | - | 90% | Yes | No | - | Current Limit, Enable, On Time Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6522CRZ-TKIC REG CTRLR BUCK 16QFN |
4,345 |
|
Datasheet |
- | 16-VQFN Exposed Pad | Tape & Reel (TR) | Active | 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 | 16-QFN (5x5) |
|
ISL6522CRZIC REG CTRLR BUCK 16QFN |
591 |
|
Datasheet |
- | 16-VQFN Exposed Pad | Tray | Active | 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 | 16-QFN (5x5) |
|
MAX8653ETI+IC REG CTRLR BUCK 28TQFN |
2,368 |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 9V ~ 14V | 300kHz ~ 1.5MHz | - | No | Yes | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-TQFN (5x5) |
|
ISL6552CBSWITCHING CONTROLLER |
2,194 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 50kHz ~ 1.5MHz | - | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
|
TL1454ACNSRIC REG CTRLR BUCK/BST/FLYBK 16SO |
2,127 |
|
Datasheet |
- | 16-SOIC (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-SO |
|
ISL6551AR-TDUAL SWITCHING CONTROLLER |
1,620 |
|
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) |
|
UC3578DPSWITCHING CONTROLLER, VOLTAGE-MO |
1,040 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 14V ~ 72V | 110kHz | 90% | No | No | - | Current Limit, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing DC DC Switching Controllers components, we support both current production requirements and long-term component availability across demanding product lifecycles.
Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.
| Requirement | FPGAX Support |
| Current production | Active FPGA, programmable logic, and semiconductor component sourcing |
| Legacy programs | End-of-life and hard-to-find component sourcing |
| Supply continuity | Lifecycle transition and long-term availability support |
| Quality requirements | Traceable sourcing and quality-management processes |
FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.
Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.
Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.
We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.
FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.
Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.