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-8521B19MC-ATET2G ABLIC Inc.

S-8521B19MC-ATET2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,802
RFQ
S-8521B19MC-ATET2G 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-8521B20MC-ATFT2G ABLIC Inc.

S-8521B20MC-ATFT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,527
RFQ
S-8521B20MC-ATFT2G 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-8521B21MC-ATGT2G ABLIC Inc.

S-8521B21MC-ATGT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,230
RFQ
S-8521B21MC-ATGT2G 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-8521B23MC-ATIT2G ABLIC Inc.

S-8521B23MC-ATIT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,567
RFQ
S-8521B23MC-ATIT2G 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-8521B25MC-ATKT2G ABLIC Inc.

S-8521B25MC-ATKT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,145
RFQ
S-8521B25MC-ATKT2G 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-8521B26MC-ATLT2G ABLIC Inc.

S-8521B26MC-ATLT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,024
RFQ
S-8521B26MC-ATLT2G 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-8521B27MC-ATMT2G ABLIC Inc.

S-8521B27MC-ATMT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,688
RFQ
S-8521B27MC-ATMT2G 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-8521B28MC-ATNT2G ABLIC Inc.

S-8521B28MC-ATNT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,366
RFQ
S-8521B28MC-ATNT2G 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-8521B29MC-ATOT2G ABLIC Inc.

S-8521B29MC-ATOT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,766
RFQ
S-8521B29MC-ATOT2G 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-8521B30MC-ATPT2G ABLIC Inc.

S-8521B30MC-ATPT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,732
RFQ
S-8521B30MC-ATPT2G 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-8521B31MC-ATQT2G ABLIC Inc.

S-8521B31MC-ATQT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,366
RFQ
S-8521B31MC-ATQT2G 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-8521B32MC-ATRT2G ABLIC Inc.

S-8521B32MC-ATRT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,631
RFQ
S-8521B32MC-ATRT2G 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-8521B33MC-ATST2G ABLIC Inc.

S-8521B33MC-ATST2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,058
RFQ
S-8521B33MC-ATST2G 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-8521B34MC-ATTT2G ABLIC Inc.

S-8521B34MC-ATTT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,400
RFQ
S-8521B34MC-ATTT2G 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-8521B35MC-ATUT2G ABLIC Inc.

S-8521B35MC-ATUT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,824
RFQ
S-8521B35MC-ATUT2G 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-8521B36MC-ATVT2G ABLIC Inc.

S-8521B36MC-ATVT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,920
RFQ
S-8521B36MC-ATVT2G 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-8521B40MC-ATZT2G ABLIC Inc.

S-8521B40MC-ATZT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,128
RFQ
S-8521B40MC-ATZT2G 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-8521B44MC-AUDT2G ABLIC Inc.

S-8521B44MC-AUDT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,880
RFQ
S-8521B44MC-AUDT2G 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-8521B50MC-AUJT2G ABLIC Inc.

S-8521B50MC-AUJT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

2,019
RFQ
S-8521B50MC-AUJT2G 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-8521C16MC-BTBT2G ABLIC Inc.

S-8521C16MC-BTBT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,454
RFQ
S-8521C16MC-BTBT2G Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs 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
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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.