DC DC Switching Controllers

Manufacturer 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





















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price 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
S-8521B33MC-ATST2U ABLIC Inc.

S-8521B33MC-ATST2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,760
RFQ
S-8521B33MC-ATST2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B40MC-ATZT2U ABLIC Inc.

S-8521B40MC-ATZT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,504
RFQ
S-8521B40MC-ATZT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B44MC-AUDT2U ABLIC Inc.

S-8521B44MC-AUDT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,240
RFQ
S-8521B44MC-AUDT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B50MC-AUJT2U ABLIC Inc.

S-8521B50MC-AUJT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,688
RFQ
S-8521B50MC-AUJT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B51MC-AUKT2G ABLIC Inc.

S-8521B51MC-AUKT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,723
RFQ
S-8521B51MC-AUKT2G Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B51MC-AUKT2U ABLIC Inc.

S-8521B51MC-AUKT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,551
RFQ
S-8521B51MC-AUKT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B53MC-AUMT2U ABLIC Inc.

S-8521B53MC-AUMT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,588
RFQ
S-8521B53MC-AUMT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B60MC-AUTT2G ABLIC Inc.

S-8521B60MC-AUTT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,287
RFQ
S-8521B60MC-AUTT2G Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B60MC-AUTT2U ABLIC Inc.

S-8521B60MC-AUTT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,671
RFQ
S-8521B60MC-AUTT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C25MC-BTKT2U ABLIC Inc.

S-8521C25MC-BTKT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,494
RFQ
S-8521C25MC-BTKT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C27MC-BTMT2U ABLIC Inc.

S-8521C27MC-BTMT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,460
RFQ
S-8521C27MC-BTMT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C28MC-BTNT2U ABLIC Inc.

S-8521C28MC-BTNT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,817
RFQ
S-8521C28MC-BTNT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C30MC-BTPT2U ABLIC Inc.

S-8521C30MC-BTPT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,705
RFQ
S-8521C30MC-BTPT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C33MC-BTST2U ABLIC Inc.

S-8521C33MC-BTST2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,073
RFQ
S-8521C33MC-BTST2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C36MC-BTVT2U ABLIC Inc.

S-8521C36MC-BTVT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,253
RFQ
S-8521C36MC-BTVT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C50MC-BUJT2U ABLIC Inc.

S-8521C50MC-BUJT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,045
RFQ
S-8521C50MC-BUJT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D18MC-BXDT2G ABLIC Inc.

S-8521D18MC-BXDT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,467
RFQ
S-8521D18MC-BXDT2G Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D20MC-BXFT2U ABLIC Inc.

S-8521D20MC-BXFT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,203
RFQ
S-8521D20MC-BXFT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D21MC-BXGT2U ABLIC Inc.

S-8521D21MC-BXGT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,611
RFQ
S-8521D21MC-BXGT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D22MC-BXHT2U ABLIC Inc.

S-8521D22MC-BXHT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,446
RFQ
S-8521D22MC-BXHT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
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DC DC Switching Controllers Electronic Components Sourcing and Lifecycle Support

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.

How FPGAX Supports DC DC Switching Controllers Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

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

Focused on FPGA and Programmable Logic Supply

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.

DC DC Switching Controllers FAQ

Can FPGAX source both active and end-of-life DC DC Switching Controllers components?

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.

Which programmable logic manufacturers does FPGAX support?

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.

How does FPGAX help with component lifecycle changes?

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.

What quality and traceability standards does FPGAX follow?

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.

What information should I provide for a DC DC Switching Controllers sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.