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
TPS40100RGE Texas Instruments

TPS40100RGE

IC REG CTRLR BUCK 24QFN

Texas Instruments

1,660
RFQ
TPS40100RGE Datasheet

Datasheet

- 24-VFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 18V 100kHz ~ 600kHz - Yes Yes - Current Limit, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-VQFN (4x4)
IR3622AMTRPBF Infineon Technologies

IR3622AMTRPBF

IC REG CTRLR BUCK 32MLPQ

Infineon Technologies

3,207
RFQ
IR3622AMTRPBF Datasheet

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 14.5V 200kHz ~ 600kHz 84% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Sequencing, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-MLPQ (5x5)
UCC38C40D Texas Instruments

UCC38C40D

IC REG CTRLR MULT TOPOLOGY 8SOIC

Texas Instruments

4,188
RFQ
UCC38C40D Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 6.6V ~ 18V Up to 1MHz 96% No No - Frequency Control 0°C ~ 70°C (TJ) - - Surface Mount 8-SOIC
UCC28C44D Texas Instruments

UCC28C44D

IC OFFLINE CTRLR PWM UVLO 8SOIC

Texas Instruments

2,054
RFQ
UCC28C44D Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 9V ~ 18V Up to 1MHz 48% No No - Frequency Control -40°C ~ 105°C (TJ) - - Surface Mount 8-SOIC
IR3624MTRPBF Infineon Technologies

IR3624MTRPBF

IC REG CTRLR BUCK 10-MLPD

Infineon Technologies

3,650
RFQ
IR3624MTRPBF Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14V 600kHz 71% Yes No - Current Limit, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-MLPD (3x3)
AP2007SL-13 Diodes Incorporated

AP2007SL-13

IC REG CTRLR BUCK 8SOIC

Diodes Incorporated

3,087
RFQ
AP2007SL-13 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 20V 200kHz 85% Yes No - Enable, Phase Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOP
L5993D STMicroelectronics

L5993D

IC REG CTRLR FLYBACK 16SOIC

STMicroelectronics

3,488
RFQ
L5993D Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 10V ~ 20V Up to 1MHz 93% Yes No - Current Limit, Enable, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 16-SO
MP8666DN-LF-Z Monolithic Power Systems Inc.

MP8666DN-LF-Z

IC REG CTRLR BUCK 8SOIC

Monolithic Power Systems Inc.

3,179
RFQ
MP8666DN-LF-Z Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 21V 600kHz 90% No Yes - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOICE
LM5041ASD Texas Instruments

LM5041ASD

IC REG CTRLR MULT TOP 16WSON

Texas Instruments

4,431
RFQ
LM5041ASD Datasheet

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Half-Bridge, Push-Pull 1 1 15V ~ 90V 200kHz, 600kHz - Yes Yes - Dead Time Control, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-WSON (5x5)
UC3526ADWG4 Texas Instruments

UC3526ADWG4

IC REG CTRLR MULT TOP 18SOIC

Texas Instruments

3,620
RFQ
UC3526ADWG4 Datasheet

Datasheet

- 18-SOIC (0.295", 7.50mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 35V 1Hz ~ 600kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 18-SOIC
LM1771SMM/NOPB Texas Instruments

LM1771SMM/NOPB

IC REG CTRLR BUCK 8VSSOP

Texas Instruments

3,805
RFQ
LM1771SMM/NOPB Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
LM1771TMM/NOPB Texas Instruments

LM1771TMM/NOPB

IC REG CTRLR BUCK 8VSSOP

Texas Instruments

3,165
RFQ
LM1771TMM/NOPB Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
LM1771UMM/NOPB Texas Instruments

LM1771UMM/NOPB

IC REG CTRLR BUCK 8VSSOP

Texas Instruments

3,414
RFQ
LM1771UMM/NOPB Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 8-VSSOP
LM1771SSD/NOPB Texas Instruments

LM1771SSD/NOPB

IC REG CTRLR BUCK 6WSON

Texas Instruments

2,572
RFQ
LM1771SSD/NOPB Datasheet

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 5.5V 100kHz ~ 1MHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 6-WSON (3x3)
TPS40345DRCR Texas Instruments

TPS40345DRCR

TPS40345DRCR

Texas Instruments

1,619
RFQ
TPS40345DRCR Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active PWM Step-Down Positive Buck 1 1 3V ~ 20V 600kHz 90% Yes No - Enable, Power Good, Soft Start -20°C ~ 85°C - - Surface Mount 10-VSON (3x3)
ISL6522BIRZ-T Renesas Electronics Corporation

ISL6522BIRZ-T

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

3,381
RFQ
ISL6522BIRZ-T Datasheet

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
MCP1631VT-E/SS Microchip Technology

MCP1631VT-E/SS

IC REG CTRLR SEPIC 20SSOP

Microchip Technology

3,050
RFQ
MCP1631VT-E/SS Datasheet

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Sepic 1 1 3V ~ 5.5V - - No No - Enable, Frequency Control, Ramp -40°C ~ 125°C (TJ) - - Surface Mount 20-SSOP
UC3526NG4 Texas Instruments

UC3526NG4

IC REG CTRLR MULT TOPOLOGY 18DIP

Texas Instruments

4,104
RFQ
UC3526NG4 Datasheet

Datasheet

- 18-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 8V ~ 35V 1Hz ~ 400kHz 49% Yes Yes - Enable, Frequency Control, Reset, Soft Start 0°C ~ 70°C (TA) - - Through Hole 18-PDIP
SP6128AEY-L/TR MaxLinear, Inc.

SP6128AEY-L/TR

IC REG CTRLR BUCK 14TSSOP

MaxLinear, Inc.

2,371
RFQ
SP6128AEY-L/TR Datasheet

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 300kHz 90% Yes No - Current Limit -40°C ~ 85°C (TA) - - Surface Mount 14-TSSOP
SC2545MLTRT Semtech Corporation

SC2545MLTRT

IC REG CTRLR BUCK 24MLPQ

Semtech Corporation

2,545
RFQ
SC2545MLTRT Datasheet

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 100kHz ~ 300kHz 90% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-MLPQ (4x4)
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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.