| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC3732CG#TRPBFSWITCHING CONTROLLER, CURRENT-MO |
2,000 |
|
Datasheet |
PolyPhase® | 36-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 7V | 225kHz ~ 680kHz | 98.5% | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
UC3524AJUC3524AM ADVANCED REGULATING PUL |
3,798 |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Buck, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 8V ~ 40V | 500kHz | 45% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-CDIP |
|
LTC3859ALEFE#PBFTRIPLE OUTPUT, BUCK/BUCK/BOOST S |
650 |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Bulk | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC3859AEFE#PBFDUAL SWITCHING CONTROLLER, CURRE |
503 |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Bulk | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LTC3728LEGN#PBFLTC3728 - 550KHZ, DUAL, 2PHASE C |
196 |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
|
LTC1628CUH#PBFLTC1628 - DUAL 2-PHASE STEP DOWN |
365 |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 220kHz, 140kHz ~ 310kHz | 99.4% | Yes | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start | 0°C ~ 85°C | - | - | Surface Mount | 32-QFN (5x5) |
|
|
LTC3728LEUH#PBFDUAL, 550KHZ, 2-PHASE SYNCHRONOU |
964 |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC1708EG-PG#PBFDUAL SWITCHING CONTROLLER, CURRE |
407 |
|
Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 220kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LTC3826EG-1#PBFLTC3826-1 - ULTRA LOW IQ, DUAL, |
1,504 |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1143CS#PBFLTC1143 - DUAL HIGH EFFICIENCY S |
2,050 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost | 2 | 1 | 4V ~ 14V | Up to 400kHz | 1 | No | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
UCC2806DUCC2806 LOW POWER, DUAL OUTPUT, |
635 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 2 | 1 | 8V ~ 14.5V | 47kHz | 50% | Yes | No | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC3728LIGN#TRPBFLTC3728 - 550KHZ, DUAL, 2 PHASE |
2,390 |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 260kHz ~ 550kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
|
LTC3826EUH#PBFLTC3826 - ULTRA LOW IQ, DUAL, 2- |
696 |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
LT3781EG#PBFLT3781 - SYNC. FORWARD CONTROLLE |
462 |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Bulk | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 9V ~ 18V | Up to 700kHz | 50% | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SSOP |
|
LTC3731HUH#PBF3-PHASE, 600 KHZ, SYNCHRONOUS BU |
154 |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 3.8V ~ 7V | 225kHz ~ 680kHz | 98.5% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | -40°C ~ 140°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
UC2825BNUC2825B HIGH SPEED PWM CONTROLLE |
4,897 |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UC3526AJUC3526AM REGULATING PULSE WIDTH |
139 |
|
Datasheet |
- | 18-CDIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down | Positive | Boost, Buck, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 35V | 1Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 18-CDIP |
|
LTC1702CGN#TRPBFDUAL 550KHZ SYNCHRONOUS 2-PHASE |
954 |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 7V | 550kHz | 90% | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC1148LCS#PBFSWITCHING CONTROLLER, CURRENT-MO |
165 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 20V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SO |
|
V62/04752-01XEUC2875-EP ENHANCED PRODUCT PHASE |
729 |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive | Full-Bridge, Half-Bridge | 2 | 1 | 1.25V ~ 20V | 2MHz | 1 | No | Yes | - | Current Limit, Dead Time Control, Frequency Control, Ramp, Reset, Soft Start, Sync | -25°C ~ 110°C (TA) | - | - | Surface Mount | 28-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.