| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CS5307GDWR24IC REG CTRLR BUCK 24SOIC |
1,024 |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 8V ~ 18V | 200kHz ~ 800kHz | 100% | No | No | - | Frequency Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SOIC |
|
MAX17068AAX+1 TO 3-CELL, HIGH-CURRENT, LOW-N |
9,570 |
|
- |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
ISL6559CR-TSWITCHING CONTROLLER |
6,000 |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Bulk | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6558CBSWITCHING CONTROLLER |
5,884 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
CS5307GDW24SWITCHING CONTROLLER |
990 |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Bulk | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 8V ~ 18V | 200kHz ~ 800kHz | 1 | No | No | - | Frequency Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SOIC |
|
ISL6559CRSWITCHING CONTROLLER |
269 |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6565ACB-TSWITCHING CONTROLLER |
24,000 |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
UC3526AQIC REG CTRLR MULT TOP 20PLCC |
4,711 |
|
Datasheet |
- | 20-LCC (J-Lead) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 35V | 1Hz ~ 600kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |
|
LM2737MTCSWITCHING CONTROLLER, VOLTAGE-MO |
1,130 |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 2MHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
LM2727MTCSWITCHING CONTROLLER, VOLTAGE-MO |
737 |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 2MHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
|
MCP1632-BAE/MCIC REG CTRLR MULT TOPOLOGY 8DFN |
430 |
|
Datasheet |
- | 8-VFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 3V ~ 5.5V | 600kHz | 85% | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-DFN (2x3) |
|
ISL6565BCBSWITCHING CONTROLLER |
389 |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
ISL6565ACBSWITCHING CONTROLLER |
268 |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
HA17451APDUAL SWITCHING CONTROLLER |
2,724 |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX1967EUBPWM STEP-DOWN CONTROLLER |
1,196 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 28V | 102kHz | 95% | Yes | No | - | Current Limit, Enable, Dead Time Control, Pulse Skipping, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX |
|
MAX1524EUT+TIC REG CTRLR MULT TOP SOT23-6 |
3,485 |
|
Datasheet |
- | SOT-23-6 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 5.5V | - | 85% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-6 |
|
UC3886DTRSWITCHING CONTROLLER |
2,500 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10.3V ~ 20V | 100kHz | 90% | No | No | - | Enable, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
MAX1524EUTIC REG CTRLR MULT TOP SOT23-6 |
2,290 |
|
Datasheet |
- | SOT-23-6 | Tray | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 5.5V | - | 85% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-6 |
|
RT8125HGQWIC REG CTRLR BUCK PWM WDFN-10 |
1,500 |
|
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, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-WDFN (3x3) |
|
RT8125CGQWIC REG CTRLR BUCK PWM WDFN-10 |
1,500 |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 1.5V ~ 24V | 300kHz | - | Yes | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WDFN (3x3) |
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.