| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
NCP1550SN27T1GIC REG CTRLR BUCK 5TSOP |
4,419 |
|
Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
|
TL3842DIC REG CTRLR BST FLYBK CM 14SOIC |
2,454 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
IR3638DR2GSWITCHING CONTROLLER |
10,000 |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
NCP1550SN19T1GIC REG CTRLR BUCK 5TSOP |
2,015 |
|
Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
|
NCP1550SN27T1IC REG CTRLR BUCK 5TSOP |
1,710 |
|
Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
|
NCP1550SN30T1GIC REG CTRLR BUCK 5TSOP |
1,507 |
|
Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
UC3842AN1ANA SMPS PWM CONTROLLER |
1,950 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
NCP1550SN19T1IC REG CTRLR BUCK 5TSOP |
1,404 |
|
Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
|
NCP1550SN18T1IC REG CTRLR BUCK 5TSOP |
1,502 |
|
Datasheet |
- | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
UC2845BDGIC REG CTRLR BOOST/FLYBK 14SOIC |
2,297 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | 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) | - | - | Surface Mount | 14-SOIC |
|
CS3845BGN8SWITCHING CONTROLLER |
112,992 |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
CS3845GN8SWITCHING CONTROLLER |
38,681 |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
CS3844GN8SWITCHING CONTROLLER |
8,850 |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
FAN6520BMSWITCHING REGLTR, VOLTAGE-MODE |
4,995 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 300kHz | 100% | Yes | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UC2842BDGIC REG CTRLR PWM CM 14-SOIC |
1,980 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | 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 |
|
|
NCP1589BMNTWGIC REG CTRLR BUCK 10DFN |
2,011 |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 600kHz | 75% | Yes | No | - | Enable, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount, Wettable Flank | 10-DFN (3x3) |
|
|
TL2843DIC REG CTRLR MULT TOP 14SOIC |
3,115 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | 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 |
|
SUR8820REC T0220 SPECIAL ULTFST |
38,950 |
|
- |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UC3845BVDGIC REG CTRLR BOOST/FLYBK 14SOIC |
4,540 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | 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 | -40°C ~ 105°C (TA) | - | - | Surface Mount | 14-SOIC |
|
|
NCP1573DR2IC REG CTRLR BUCK 8SOIC |
4,357 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 11.4V ~ 12.6V | 200kHz | - | Yes | No | - | Power Good | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 8-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.