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
ISL6401IRZ Intersil

ISL6401IRZ

SWITCHING CONTROLLER

Intersil

1,190
RFQ
ISL6401IRZ Datasheet

Datasheet

- 16-VQFN Exposed Pad Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 4.5V ~ 5.5V 50kHz ~ 500kHz 48% No Yes - Enable, Frequency Control, Soft Start, Sync -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (4x4)
TL2842BDR Texas Instruments

TL2842BDR

IC REG CTRLR BST FLYBK CM 14SOIC

Texas Instruments

2,400
RFQ
TL2842BDR Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
NCP1378PG onsemi

NCP1378PG

IC REG CTRLR FLYBACK 7DIP

onsemi

3,652
RFQ
NCP1378PG Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Flyback 1 1 8.4V ~ 18V - - No No - Current Limit 0°C ~ 125°C (TJ) - - Through Hole 7-PDIP
MAX5021EUA+ Analog Devices Inc./Maxim Integrated

MAX5021EUA+

IC REG CTRLR MULT TOPOLOGY 8UMAX

Analog Devices Inc./Maxim Integrated

1,446
RFQ
MAX5021EUA+ Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 11V ~ 28V 262kHz 50% No No - - -40°C ~ 85°C (TA) - - Surface Mount 8-uMAX/uSOP
ISL6729IU Intersil

ISL6729IU

SWITCHING REGULATOR

Intersil

2,735
RFQ
ISL6729IU Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 4.75V ~ 5.25V Up to 1MHz 99% Yes No - - -40°C ~ 105°C (TA) - - Surface Mount 8-MSOP
ISL6729IU-T Intersil

ISL6729IU-T

SWITCHING REGULATOR

Intersil

2,500
RFQ
ISL6729IU-T Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Bulk Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 4.75V ~ 5.25V Up to 1MHz 99% Yes No - - -40°C ~ 105°C (TA) - - Surface Mount 8-MSOP
S-8356M33MC-MEST2G ABLIC Inc.

S-8356M33MC-MEST2G

IC REG CTRLR BOOST SOT23-5

ABLIC Inc.

6,000
RFQ
S-8356M33MC-MEST2G Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Up Positive Boost 1 1 0.9V ~ 10V 300kHz 85% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
TL2843DR Texas Instruments

TL2843DR

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

3,273
RFQ
TL2843DR Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active 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
UC3844D Fairchild Semiconductor

UC3844D

SWITCHING CONTROLLER

Fairchild Semiconductor

24,144
RFQ
UC3844D Datasheet

Datasheet

- 14-SOIC (0.209", 5.30mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Buck-Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOP
TL3843DR Texas Instruments

TL3843DR

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

3,029
RFQ
TL3843DR Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active 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 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
UC3843D Fairchild Semiconductor

UC3843D

SWITCHING CONTROLLER

Fairchild Semiconductor

10,903
RFQ
UC3843D Datasheet

Datasheet

- 14-SOIC (0.209", 5.30mm Width) Tube Obsolete - - - - - - - - - - - - - 0°C ~ 70°C (TA) - - Surface Mount 14-SOP
UC3845D Fairchild Semiconductor

UC3845D

SWITCHING CONTROLLER

Fairchild Semiconductor

9,265
RFQ
UC3845D Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete - - - - - - - - - - - - - 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
TL594CNG onsemi

TL594CNG

IC REG CTRLR BCK/PUSH-PULL 16DIP

onsemi

4,326
RFQ
TL594CNG Datasheet

Datasheet

SWITCHMODE™ 16-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Push-Pull 2 1 7V ~ 40V 300kHz 96% Yes No - Dead Time Control, Frequency Control -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
NCV3012DTBR2G onsemi

NCV3012DTBR2G

IC REG CTRLR BUCK 14TSSOP

onsemi

3,542
RFQ
NCV3012DTBR2G Datasheet

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.7V ~ 28V 75kHz 86% Yes Yes - Enable, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
ISL6439AIR-T Intersil

ISL6439AIR-T

SWITCHING CONTROLLER

Intersil

12,000
RFQ
ISL6439AIR-T Datasheet

Datasheet

- 16-VQFN Exposed Pad Bulk 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)
CS3844GD8 onsemi

CS3844GD8

SWITCHING CONTROLLER

onsemi

6,961
RFQ
CS3844GD8 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
TL2844BP Texas Instruments

TL2844BP

IC REG CTRLR BST FLYBK PWM 8-DIP

Texas Instruments

3,735
RFQ
TL2844BP Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
ISL6439IR-T Intersil

ISL6439IR-T

SWITCHING CONTROLLER

Intersil

6,000
RFQ
ISL6439IR-T Datasheet

Datasheet

- 16-VQFN Exposed Pad Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 300kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
UC2845AQ Texas Instruments

UC2845AQ

SWITCHING CONTROLLER

Texas Instruments

2,891
RFQ
UC2845AQ Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 14-SOIC
UC2843AQ Unitrode

UC2843AQ

1A, 500KHZ BIPOLAR, PQCC20

Unitrode

2,249
RFQ
UC2843AQ Datasheet

Datasheet

- 20-LCC (J-Lead) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 20-PLCC (9x9)
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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.