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
UC3845DR2 onsemi

UC3845DR2

IC REG CTRLR BOOST/FLYBK 14SOIC

onsemi

2,954
RFQ
UC3845DR2 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 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
LM5020MMX-1 Texas Instruments

LM5020MMX-1

IC REG CTRLR FLYBACK 10MSOP

Texas Instruments

4,385
RFQ
LM5020MMX-1 Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Flyback 1 1 8V ~ 15V 200kHz ~ 630kHz 80% No Yes - Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-VSSOP
LM5020MMX-2 Texas Instruments

LM5020MMX-2

IC REG CTRLR FLYBACK 10MSOP

Texas Instruments

4,061
RFQ
LM5020MMX-2 Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Flyback 1 1 8V ~ 15V 200kHz ~ 630kHz 50% No Yes - Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-VSSOP
MP2918GL-P Monolithic Power Systems Inc.

MP2918GL-P

4V-40V INPUT, CURRENT MODE SYNCH

Monolithic Power Systems Inc.

2,154
RFQ
MP2918GL-P Datasheet

Datasheet

- 20-TFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 1 1 4V ~ 40V 100kHz ~ 1MHz 99.5% Yes Yes - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (3x4)
LX1681IDM Microsemi Corporation

LX1681IDM

IC REG CTRLR BUCK 8SOIC

Microsemi Corporation

1,585
RFQ
LX1681IDM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 5V 190kHz - No No - Current Limit, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
LX1682IDM Microsemi Corporation

LX1682IDM

IC REG CTRLR BUCK 8SOIC

Microsemi Corporation

4,465
RFQ
LX1682IDM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 5V 190kHz - Yes No - Current Limit, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
MIC38C43BM Microchip Technology

MIC38C43BM

IC REG CTRLR MULT TOPOLOGY 8SOIC

Microchip Technology

4,569
RFQ
MIC38C43BM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
MIC3809BM Microchip Technology

MIC3809BM

IC REG CTRLR MULT TOPOLOGY 8SOIC

Microchip Technology

4,449
RFQ
MIC3809BM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Discontinued at Digi-Key Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge, Half-Bridge, Push-Pull 1 1 4.1V ~ 14V 200kHz 49% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
MIC38C45BM Microchip Technology

MIC38C45BM

IC REG CTRLR MULT TOPOLOGY 8SOIC

Microchip Technology

3,542
RFQ
MIC38C45BM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 50% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
ISL8105IBZ-T Renesas Electronics Corporation

ISL8105IBZ-T

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

3,361
RFQ
ISL8105IBZ-T Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6.5V ~ 14.4V 300kHz 100% Yes No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TPS40007DGQ Texas Instruments

TPS40007DGQ

IC REG CTRLR BUCK 10MSOP

Texas Instruments

1,179
RFQ
TPS40007DGQ Datasheet

Datasheet

- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.25V ~ 5.5V 300kHz 94% Yes No - Current Limit, Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 10-HVSSOP
UCC35705DGKG4 Texas Instruments

UCC35705DGKG4

IC REG CTRLR MULT TOP 8VSSOP

Texas Instruments

2,814
RFQ
UCC35705DGKG4 Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 8.2V ~ 15V 1MHz 93% No No - Current Limit 0°C ~ 70°C (TA) - - Surface Mount 8-VSSOP
CS51031GD8 onsemi

CS51031GD8

IC REG CTRLR BUCK 8SOIC

onsemi

1,531
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.3V ~ 20V 200kHz 83.3% No No - Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
TPS40190DRCRG4 Texas Instruments

TPS40190DRCRG4

IC REG CTRLR BUCK 10SON

Texas Instruments

2,215
RFQ
TPS40190DRCRG4 Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 15V 300kHz 85% Yes No - Enable -40°C ~ 85°C (TA) - - Surface Mount 10-VSON (3x3)
SC2612ESTRT Semtech Corporation

SC2612ESTRT

IC REG CTRLR BUCK 8SOIC

Semtech Corporation

1,482
RFQ
SC2612ESTRT Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 15V 500kHz 80% Yes No - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
UC2844AD Texas Instruments

UC2844AD

IC CUR-MODE PWM CONT 14-SOIC

Texas Instruments

1,713
RFQ
UC2844AD Datasheet

Datasheet

UCx84xA 14-SOIC (0.154", 3.90mm Width) Tube Obsolete - - - - - - - - - - - - - -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
L6727TR STMicroelectronics

L6727TR

IC REG CTRLR BUCK 8SOIC

STMicroelectronics

2,672
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.1V ~ 13.2V 300kHz 80% Yes No - Enable, Phase Control -20°C ~ 85°C (TA) - - Surface Mount 8-SOIC
UC3842ADR2 onsemi

UC3842ADR2

IC REG CTRLR FLYBK ISO CM 14SOIC

onsemi

3,767
RFQ
UC3842ADR2 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 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
MIC38C43ABMM-TR Microchip Technology

MIC38C43ABMM-TR

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

1,388
RFQ
MIC38C43ABMM-TR Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
MIC38C43BMM-TR Microchip Technology

MIC38C43BMM-TR

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

2,642
RFQ
MIC38C43BMM-TR Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
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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.