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
CS51021AEDR16 onsemi

CS51021AEDR16

IC REG CTRLR MULT TOP 16SOIC

onsemi

3,005
RFQ
CS51021AEDR16 Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter, Push-Pull 1 1 7.7V ~ 20V 1MHz - No Yes - Current Limit, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
ISL6525CB Intersil

ISL6525CB

SWITCHING CONTROLLER

Intersil

500
RFQ
ISL6525CB Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Frequency Control, Phase Control, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
UC2842BN STMicroelectronics

UC2842BN

IC REG CTRLR BST FLYBK ISO 8-DIP

STMicroelectronics

102
RFQ
UC2842BN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active 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) - - Through Hole 8-Mini DIP
ISL6526IR Intersil

ISL6526IR

SWITCHING CONTROLLER

Intersil

600
RFQ
ISL6526IR Datasheet

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
ISL6526IB Intersil

ISL6526IB

SWITCHING CONTROLLER

Intersil

495
RFQ
ISL6526IB Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
MIC2169YMM Microchip Technology

MIC2169YMM

IC REG CTRLR BUCK 10MSOP

Microchip Technology

3,080
RFQ
MIC2169YMM Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 14.5V 500kHz 92% Yes No - Current Limit -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP
UC3845BVD onsemi

UC3845BVD

IC REG CTRLR BOOST/FLYBK 14SOIC

onsemi

1,259
RFQ
UC3845BVD Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube 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
UCC3803D/81468 Unitrode

UCC3803D/81468

UCC3803 SWITCHING CONTROLLER

Unitrode

797
RFQ
UCC3803D/81468 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
UCC3803D/81102 Texas Instruments

UCC3803D/81102

LOW-PWR BICMOS CUR-MODE PWM

Texas Instruments

650
RFQ
UCC3803D/81102 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6420IA Intersil

ISL6420IA

SWITCHING CONTROLLER

Intersil

555
RFQ
ISL6420IA Datasheet

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 5.6V ~ 16V 100kHz ~ 1.4MHz 96% Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
S-8520A34MC-AVTT2U ABLIC Inc.

S-8520A34MC-AVTT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

100
RFQ
S-8520A34MC-AVTT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8520B30MC-ARPT2U ABLIC Inc.

S-8520B30MC-ARPT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

100
RFQ
S-8520B30MC-ARPT2U 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-8520D30MC-BVPT2U ABLIC Inc.

S-8520D30MC-BVPT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

100
RFQ
S-8520D30MC-BVPT2U 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-8521B18MC-ATDT2U ABLIC Inc.

S-8521B18MC-ATDT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

100
RFQ
S-8521B18MC-ATDT2U 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-8521D16MC-BXBT2U ABLIC Inc.

S-8521D16MC-BXBT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

100
RFQ
S-8521D16MC-BXBT2U 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-8521F38MC-BPXT2U ABLIC Inc.

S-8521F38MC-BPXT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

100
RFQ
S-8521F38MC-BPXT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521A25MC-AXKT2U ABLIC Inc.

S-8521A25MC-AXKT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,892
RFQ
S-8521A25MC-AXKT2U Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521C16MC-BTBT2U ABLIC Inc.

S-8521C16MC-BTBT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

1,215
RFQ
S-8521C16MC-BTBT2U 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-8520B18MC-ARDT2U ABLIC Inc.

S-8520B18MC-ARDT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

3,837
RFQ
S-8520B18MC-ARDT2U 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-8520B36MC-ARVT2U ABLIC Inc.

S-8520B36MC-ARVT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

4,945
RFQ
S-8520B36MC-ARVT2U 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
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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.