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
RT8228AZQW Richtek USA Inc.

RT8228AZQW

IC REG CTRLR BUCK 12WQFN

Richtek USA Inc.

1,943
RFQ
RT8228AZQW Datasheet

Datasheet

- 12-WFQFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V - - Yes No - Current Limit, Enable, On Time Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 12-WQFN (2x2)
UC3843ADR2G onsemi

UC3843ADR2G

IC REG CTRLR BUCK 14SOIC

onsemi

4,221
RFQ
UC3843ADR2G Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
RT9214GS Richtek USA Inc.

RT9214GS

IC REG CTRLR BUCK 8SOP

Richtek USA Inc.

2,275
RFQ
RT9214GS Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 5V, 12V 300kHz 100% Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOP
RT8228BGQW Richtek USA Inc.

RT8228BGQW

IC REG CTRLR BUCK 12WQFN

Richtek USA Inc.

1,715
RFQ

-

- 12-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V - - Yes No - Current Limit, Enable, On Time Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 12-WQFN (2x2)
TL3843BDRG4 Texas Instruments

TL3843BDRG4

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

4,752
RFQ
TL3843BDRG4 Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
UC2842BD onsemi

UC2842BD

IC REG CTRLR PWM CM 14-SOIC

onsemi

1,614
RFQ
UC2842BD 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 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC2843ADR2G onsemi

UC2843ADR2G

IC REG CTRLR BUCK 14SOIC

onsemi

4,814
RFQ
UC2843ADR2G Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC3844BN onsemi

UC3844BN

IC REG CTRLR PWM CM 8-DIP

onsemi

2,228
RFQ
UC3844BN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 36V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
IW663-02-SO8 Renesas Electronics Corporation

IW663-02-SO8

AC/DC SECONDARY-SIDE SYNCHRONOUS

Renesas Electronics Corporation

3,701
RFQ

-

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
UC3845N onsemi

UC3845N

IC REG CTRLR BOOST/FLYBACK 8DIP

onsemi

2,820
RFQ
UC3845N Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) 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 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
UC3844N onsemi

UC3844N

IC REG CTRLR PWM CM 8-DIP

onsemi

1,997
RFQ
UC3844N Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
AP3585AMPTR-G1 Diodes Incorporated

AP3585AMPTR-G1

IC REG CTRLR BUCK 8SO

Diodes Incorporated

4,528
RFQ
AP3585AMPTR-G1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 300kHz 82% Yes Yes - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SO-EP
AP3585CMPTR-G1 Diodes Incorporated

AP3585CMPTR-G1

IC REG CTRLR BUCK 8SO

Diodes Incorporated

3,646
RFQ
AP3585CMPTR-G1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 200kHz 82% Yes Yes - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SO-EP
RT9612BGS Richtek USA Inc.

RT9612BGS

IC REG CTRLR BUCK 8SOP

Richtek USA Inc.

3,649
RFQ
RT9612BGS Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.5V 500kHz - Yes No - Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOP
UC3843AN onsemi

UC3843AN

IC REG CTRLR BUCK 8DIP

onsemi

2,307
RFQ
UC3843AN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 8.4V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
RT8237AZQW Richtek USA Inc.

RT8237AZQW

IC REG CTRLR BUCK 10WDFN

Richtek USA Inc.

3,589
RFQ
RT8237AZQW Datasheet

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 290kHz ~ 430kHz - Yes No - Current Limit, Enable, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 10-WDFN (3x3)
RT8237CZQW Richtek USA Inc.

RT8237CZQW

IC REG CTRLR BUCK 10WDFN

Richtek USA Inc.

2,024
RFQ
RT8237CZQW Datasheet

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 290kHz ~ 430kHz - Yes No - Current Limit, Enable, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 10-WDFN (3x3)
UC2845N onsemi

UC2845N

IC REG CTRLR BOOST/FLYBACK 8DIP

onsemi

2,354
RFQ
UC2845N Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) 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 -25°C ~ 85°C (TA) - - Through Hole 8-PDIP
TL2843DRE4 Texas Instruments

TL2843DRE4

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

4,700
RFQ
TL2843DRE4 Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key 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
TL2845DRG4 Texas Instruments

TL2845DRG4

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

3,436
RFQ
TL2845DRG4 Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
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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.