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
RT8123AGQW Richtek USA Inc.

RT8123AGQW

IC REG CTRLR BUCK PWM WQFN-16

Richtek USA Inc.

1,500
RFQ
RT8123AGQW Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 100kHz ~ 1MHz 95% Yes Yes - Dead Time Control, Enable, Frequency Control, Phase Control, Ramp -40°C ~ 85°C (TA) - - Surface Mount 16-WQFN (3x3)
CS51024AED16 onsemi

CS51024AED16

SWITCHING CONTROLLER

onsemi

1,468
RFQ
CS51024AED16 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
CS51022AED16 onsemi

CS51022AED16

SWITCHING CONTROLLER

onsemi

1,440
RFQ
CS51022AED16 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
CS5308GDWR28 onsemi

CS5308GDWR28

IC REG CTRLR BUCK 28SOIC

onsemi

3,294
RFQ
CS5308GDWR28 Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 8V ~ 16V 200kHz ~ 800kHz - Yes No - Current Limit, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 28-SOIC
CS5308GDW28 onsemi

CS5308GDW28

SWITCHING CONTROLLER

onsemi

988
RFQ
CS5308GDW28 Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 8V ~ 16V 200kHz ~ 800kHz - Yes No - Current Limit, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 28-SOIC
CS5322GDWR28 onsemi

CS5322GDWR28

SWITCHING CONTROLLER

onsemi

63,000
RFQ
CS5322GDWR28 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
CS5332GDWR28 onsemi

CS5332GDWR28

IC REG CTRLR BUCK 28SOIC

onsemi

3,730
RFQ
CS5332GDWR28 Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.2V ~ 16V 200kHz ~ 800kHz - Yes No - Current Limit, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SOIC
FAN5066M Fairchild Semiconductor

FAN5066M

SWITCHING CONTROLLER

Fairchild Semiconductor

9,576
RFQ
FAN5066M Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V 80kHz ~ 1MHz 95% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
TL1454ACDR Texas Instruments

TL1454ACDR

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

3,767
RFQ
TL1454ACDR Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback 2 1 3.6V ~ 20V 50kHz ~ 2MHz 100% Yes No - Dead Time Control, Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UC2524N Texas Instruments

UC2524N

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

2,645
RFQ
UC2524N Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 40V 300kHz 45% No No - Current Limit, Enable, Frequency Control, Ramp -25°C ~ 85°C (TA) - - Through Hole 16-PDIP
FAN5066MTCX Fairchild Semiconductor

FAN5066MTCX

SWITCHING CONTROLLER

Fairchild Semiconductor

4,950
RFQ
FAN5066MTCX Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V 300kHz, 80kHz ~ 1MHz 95% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-TSSOP
FAN5066MX Fairchild Semiconductor

FAN5066MX

SWITCHING CONTROLLER

Fairchild Semiconductor

2,725
RFQ
FAN5066MX Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V 80kHz ~ 1MHz 95% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
RT8130CGQW Richtek USA Inc.

RT8130CGQW

IC REG CTRLR BUCK PWM 10WDFN

Richtek USA Inc.

1,375
RFQ
RT8130CGQW Datasheet

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 21V 300kHz 88% Yes No - Enable, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 10-WDFN (3x3)
CS5332GDW28 onsemi

CS5332GDW28

SWITCHING CONTROLLER

onsemi

1,040
RFQ
CS5332GDW28 Datasheet

Datasheet

- 28-SOIC (0.295", 7.50mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 2 2 4.2V ~ 16V 200kHz ~ 800kHz - Yes No - Current Limit, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SOIC
LV5769VZ-TLM-E onsemi

LV5769VZ-TLM-E

IC REG CTRLR BUCK 16SSOP

onsemi

4,924
RFQ

-

- 16-LSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 8.5V ~ 42V 80kHz ~ 500kHz 90% Yes No - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
NCP81128MNTXG onsemi

NCP81128MNTXG

IC REG BUCK CTLR DUAL 52QFN

onsemi

3,685
RFQ
NCP81128MNTXG Datasheet

Datasheet

- 52-QFN Tape & Reel (TR) Obsolete Transistor Driver - Positive - 1 1 - - - - - - - - - - Surface Mount 52-QFN
UC3524DWTR Texas Instruments

UC3524DWTR

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

2,655
RFQ
UC3524DWTR Datasheet

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 40V 300kHz 45% No No - Current Limit, Enable, Frequency Control, Ramp 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
LV5769VZ-MPB-E onsemi

LV5769VZ-MPB-E

IC REG CTRLR BUCK 16SSOP

onsemi

1,537
RFQ

-

- 16-LSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 8.5V ~ 42V 80kHz ~ 500kHz 90% Yes No - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LV5743V-TLM-E onsemi

LV5743V-TLM-E

IC REG CTRLR BUCK PWM 42V

onsemi

1,220
RFQ

-

* - Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
LV5065VB-TLM-H onsemi

LV5065VB-TLM-H

IC REG CTLR DC/DC PWM 2CH 30SSOP

onsemi

1,137
RFQ

-

* - Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - - -
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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.