| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
RT8228AZQWIC REG CTRLR BUCK 12WQFN |
1,943 |
|
Datasheet |
- | 12-WFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | - | - | Yes | No | - | Current Limit, Enable, On Time Control, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-WQFN (2x2) |
|
UC3843ADR2GIC REG CTRLR BUCK 14SOIC |
4,221 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
RT9214GSIC REG CTRLR BUCK 8SOP |
2,275 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V, 12V | 300kHz | 100% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
|
RT8228BGQWIC REG CTRLR BUCK 12WQFN |
1,715 |
|
- |
- | 12-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | - | - | Yes | No | - | Current Limit, Enable, On Time Control, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-WQFN (2x2) |
|
|
TL3843BDRG4IC REG CTRLR MULT TOP 14SOIC |
4,752 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC2842BDIC REG CTRLR PWM CM 14-SOIC |
1,614 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC2843ADR2GIC REG CTRLR BUCK 14SOIC |
4,814 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
UC3844BNIC REG CTRLR PWM CM 8-DIP |
2,228 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
IW663-02-SO8AC/DC SECONDARY-SIDE SYNCHRONOUS |
3,701 |
|
- |
- | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UC3845NIC REG CTRLR BOOST/FLYBACK 8DIP |
2,820 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3844NIC REG CTRLR PWM CM 8-DIP |
1,997 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
AP3585AMPTR-G1IC REG CTRLR BUCK 8SO |
4,528 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 300kHz | 82% | Yes | Yes | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SO-EP |
|
AP3585CMPTR-G1IC REG CTRLR BUCK 8SO |
3,646 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 200kHz | 82% | Yes | Yes | - | Enable, Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SO-EP |
|
RT9612BGSIC REG CTRLR BUCK 8SOP |
3,649 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.5V | 500kHz | - | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOP |
|
UC3843ANIC REG CTRLR BUCK 8DIP |
2,307 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 8.4V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
RT8237AZQWIC REG CTRLR BUCK 10WDFN |
3,589 |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 290kHz ~ 430kHz | - | Yes | No | - | Current Limit, Enable, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WDFN (3x3) |
|
RT8237CZQWIC REG CTRLR BUCK 10WDFN |
2,024 |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 290kHz ~ 430kHz | - | Yes | No | - | Current Limit, Enable, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WDFN (3x3) |
|
UC2845NIC REG CTRLR BOOST/FLYBACK 8DIP |
2,354 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -25°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
TL2843DRE4IC REG CTRLR MULT TOP 14SOIC |
4,700 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
|
TL2845DRG4IC REG CTRLR MULT TOP 14SOIC |
3,436 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-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.