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
UC3524ANG4 Texas Instruments

UC3524ANG4

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

4,473
RFQ
UC3524ANG4 Datasheet

Datasheet

- 16-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 ~ 40V 500kHz 45% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
L6728AHTR STMicroelectronics

L6728AHTR

IC REG CTRLR BUCK 10-VFQFPN

STMicroelectronics

1,263
RFQ
L6728AHTR Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 5V ~ 12V 600kHz 67% Yes No - Enable, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 10-VFDFPN (3x3)
MIC38C43BMM Microchip Technology

MIC38C43BMM

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

2,690
RFQ
MIC38C43BMM Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm 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 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
MIC38C45ABMM Microchip Technology

MIC38C45ABMM

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

4,763
RFQ
MIC38C45ABMM Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm 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-MSOP
LM5022MMX Texas Instruments

LM5022MMX

IC REG CTRLR BOOST/SEPIC 10MSOP

Texas Instruments

2,746
RFQ
LM5022MMX Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 1 1 6V ~ 60V 200kHz ~ 990kHz 95% No Yes - Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 10-VSSOP
MAX17499BEUB+T Analog Devices Inc./Maxim Integrated

MAX17499BEUB+T

IC REG CTRLR BOOST/SEPIC 10UMAX

Analog Devices Inc./Maxim Integrated

2,443
RFQ
MAX17499BEUB+T Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, SEPIC 1 1 9.5V ~ 24V 50kHz ~ 2.5MHz 75% No No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 10-uMAX/uSOP
MAX17500BEUB+T Analog Devices Inc./Maxim Integrated

MAX17500BEUB+T

IC REG CTRLR BOOST/SEPIC 10UMAX

Analog Devices Inc./Maxim Integrated

2,978
RFQ
MAX17500BEUB+T Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, SEPIC 1 1 23.6V ~ 30V 50kHz ~ 2.5MHz 75% No No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 10-uMAX/uSOP
SIP11206DQP-T1-E3 Vishay Siliconix

SIP11206DQP-T1-E3

IC REG CTRLR FWRD CONV 16TSSOP

Vishay Siliconix

2,561
RFQ
SIP11206DQP-T1-E3 Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 10.5V ~ 13.2V 200kHz ~ 1MHz 47% Yes No - Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-TSSOP
RT6542AGQW Richtek USA Inc.

RT6542AGQW

IC REG CTRLR BUCK PWM WDFN-14

Richtek USA Inc.

2,872
RFQ
RT6542AGQW Datasheet

Datasheet

- 14-WFDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 26V 560kHz - Yes No - Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 14-WDFN (3x2)
UCC3803PWTR Texas Instruments

UCC3803PWTR

IC REG CTRLR MULT TOP 8TSSOP

Texas Instruments

1,676
RFQ
UCC3803PWTR Datasheet

Datasheet

- 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter 1 1 3.6V ~ 12V 31kHz 99% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-TSSOP
MIC38C43-1BM-TR Microchip Technology

MIC38C43-1BM-TR

IC REG CTRLR MULT TOP 14SOIC

Microchip Technology

2,765
RFQ
MIC38C43-1BM-TR Datasheet

Datasheet

- 14-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, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
MIC38C45-1BM-TR Microchip Technology

MIC38C45-1BM-TR

IC REG CTRLR MULT TOP 14SOIC

Microchip Technology

3,798
RFQ
MIC38C45-1BM-TR Datasheet

Datasheet

- 14-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, Forward Converter 1 1 7.6V ~ 20V 500kHz 50% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
TL5001AIDG4 Texas Instruments

TL5001AIDG4

IC REG CTRLR BCK/BST/FLYBK 8SOIC

Texas Instruments

1,695
RFQ
TL5001AIDG4 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 Buck, Boost, Flyback 1 1 3.6V ~ 40V 20kHz ~ 500kHz 100% No No - Dead Time Control, Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TPS40000DGQ Texas Instruments

TPS40000DGQ

IC REG CTRLR BUCK 10MSOP

Texas Instruments

4,081
RFQ
TPS40000DGQ Datasheet

Datasheet

- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Last Time Buy 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
MIC38C45YM-TR Microchip Technology

MIC38C45YM-TR

IC REG CTRLR MULT TOPOLOGY 8SOIC

Microchip Technology

2,322
RFQ
MIC38C45YM-TR Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active 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
MIC3839BMM Microchip Technology

MIC3839BMM

IC REG CTRLR MULT TOP 10MSOP

Microchip Technology

2,366
RFQ
MIC3839BMM Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Discontinued at Digi-Key Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge, Half-Bridge, Push-Pull 1 1 2V ~ 14V 200kHz 49% No No - Current Limit, Frequency Control, Ramp -40°C ~ 85°C (TA) - - Surface Mount 10-MSOP
SC493ULTRT Semtech Corporation

SC493ULTRT

IC REG CTRLR BUCK I2C MLPQ-20

Semtech Corporation

3,867
RFQ
SC493ULTRT Datasheet

Datasheet

EcoSpeed®, SmartDrive™ 20-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 5.5V 250kHz ~ 1MHz - Yes No I2C Current Limit, Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 20-MLPQ-UT (3x3)
UCC28C41PG4 Texas Instruments

UCC28C41PG4

IC REG CTRLR MULT TOPOLOGY 8DIP

Texas Instruments

3,234
RFQ
UCC28C41PG4 Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 6.6V ~ 18V Up to 1MHz 48% No No - Frequency Control -40°C ~ 105°C (TJ) - - Through Hole 8-PDIP
UCC3800DTRG4 Texas Instruments

UCC3800DTRG4

IC REG CTRLR MULT TOPOLOGY 8SOIC

Texas Instruments

3,573
RFQ
UCC3800DTRG4 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter 1 1 6.9V ~ 12V 46kHz 99% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
LM5020SD-1 Texas Instruments

LM5020SD-1

IC REG CTRLR FLYBACK 10WSON

Texas Instruments

3,162
RFQ
LM5020SD-1 Datasheet

Datasheet

- 10-WDFN Exposed Pad 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-WSON (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.