| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
RT8129AGQWIC REG CTRLR BUCK 10WDFN |
2,067 |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 300kHz | - | Yes | No | - | Current Limit, Enable, Phase Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WDFN (3x3) |
|
|
UCC3813PWTR-0IC REG CTRLR MULT TOP 8TSSOP |
4,137 |
|
Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 6.9V ~ 12V | 46kHz | 99% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-TSSOP |
|
CS51022ADBR2GIC REG CTRLR MULT TOP 16TSSOP |
2,002 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter, Push-Pull | 1 | 1 | 7.7V ~ 20V | 1MHz | - | No | No | - | Current Limit, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
MAX17499BEUB+IC REG CTRLR BOOST/SEPIC 10UMAX |
4,600 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, SEPIC | 1 | 1 | 9.5V ~ 24V | 50kHz ~ 2.5MHz | 75% | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-uMAX/uSOP |
|
MAX17500BEUB+IC REG CTRLR BOOST/SEPIC 10UMAX |
3,995 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, SEPIC | 1 | 1 | 23.6V ~ 30V | 50kHz ~ 2.5MHz | 75% | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-uMAX/uSOP |
|
MAX17499AEUB+IC REG CTRLR BOOST/SEPIC 10UMAX |
1,176 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, SEPIC | 1 | 1 | 9.5V ~ 24V | 50kHz ~ 2.5MHz | 50% | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-uMAX/uSOP |
|
TPS40074RHLTIC REG CTRLR BUCK 20QFN |
4,895 |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 28V | Up to 1MHz | 95% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-VQFN (3.5x4.5) |
|
UCC35705PIC REG CTRLR MULT TOPOLOGY 8DIP |
3,949 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.2V ~ 15V | 1MHz | 93% | No | No | - | Current Limit | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
MIC38HC45YNBICMOS 1 A CURRENT-MODE PWM CONT |
174 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | - | 50% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-DIP |
|
ISL6526CB-TIC REG CTRLR BUCK 14SOIC |
326 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 3.63V | 300kHz | 100% | Yes | No | - | Enable, Phase Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
ISL6553CBSWITCHING CONTROLLER |
216 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.75V ~ 5.25V | 50kHz ~ 1.5MHz | - | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
LTC3873EDDB#TRPBFIC REG CTRLR MULT TOPOLOGY 8DFN |
4,059 |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 8.4V ~ 60V | - | 78% | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-DFN (3x2) |
|
LTC3873ETS8#TRPBFIC REG CTRLR MULT TOP TSOT23-8 |
3,449 |
|
Datasheet |
- | SOT-23-8 Thin, TSOT-23-8 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 8.4V ~ 60V | - | 78% | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-8 |
|
ISL6721ABSWITCHING CONTROLLER |
19,575 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6420BIRZ-TS2378SWITCHING CONTROLLER |
8,789 |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Bulk | Active | 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) |
|
KA7553AIC REG CTRLR 8DIP |
5,286 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | - | Positive | - | 1 | 1 | 8.7V ~ 30V | - | 46% | Yes | No | - | - | -25°C ~ 85°C (TA) | - | - | Through Hole | 8-DIP |
|
ISL6526IBZ-TSWITCHING CONTROLLER, VOLTAGE-MO |
5,000 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Active | 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 | 14-SOIC |
|
L6728DTRIC REG CTRLR BUCK 10DFN |
3,435 |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V ~ 12V | 300kHz | 80% | Yes | No | - | Enable, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
ISL6558CBZSWITCHING CONTROLLER |
1,425 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6526IBZSWITCHING CONTROLLER, VOLTAGE-MO |
368 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Active | 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 | 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.