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
UCC38C44D Texas Instruments

UCC38C44D

IC OFFLINE CTRLR PWM UVLO 8SOIC

Texas Instruments

3,009
RFQ
UCC38C44D 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 0°C ~ 70°C (TJ) - - Surface Mount 8-SOIC
UCC38C45D Texas Instruments

UCC38C45D

IC REG CTRLR MULT TOPOLOGY 8SOIC

Texas Instruments

3,173
RFQ
UCC38C45D 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 7.6V ~ 18V Up to 1MHz 48% No No - Frequency Control 0°C ~ 70°C (TJ) - - Surface Mount 8-SOIC
CS5124XDR8 onsemi

CS5124XDR8

IC REG CTRLR MULT TOPOLOGY 8SOIC

onsemi

1,836
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 7.7V ~ 20V 400kHz 82.5% No No - Soft Start -40°C ~ 105°C (TA) - - Surface Mount 8-SOIC
ISL6545AIBZ-T Renesas Electronics Corporation

ISL6545AIBZ-T

IC REG CTRLR BUCK 8SOIC

Renesas Electronics Corporation

2,663
RFQ
ISL6545AIBZ-T Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14.4V 600kHz 100% Yes No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
UCC2813PW-0 Texas Instruments

UCC2813PW-0

IC REG CTRLR MULT TOP 8TSSOP

Texas Instruments

2,807
RFQ
UCC2813PW-0 Datasheet

Datasheet

- 8-TSSOP (0.173", 4.40mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 6.9V ~ 12V - 99% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-TSSOP
UCC3813D-1 Texas Instruments

UCC3813D-1

IC REG CTRLR MULT TOPOLOGY 8SOIC

Texas Instruments

1,048
RFQ
UCC3813D-1 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 7.4V ~ 12V 46kHz 49% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
UC3524D Texas Instruments

UC3524D

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

3,819
RFQ
UC3524D Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube 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
UC3572DTRG4 Texas Instruments

UC3572DTRG4

IC REG CTRLR FLYBACK 8SOIC

Texas Instruments

2,951
RFQ
UC3572DTRG4 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Negative Flyback 1 1 4.75V ~ 30V 100kHz 92% No No - Current Limit, Ramp 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
MP9928GF-P Monolithic Power Systems Inc.

MP9928GF-P

4V-60V INPUT, CURRENT MODE, SYNC

Monolithic Power Systems Inc.

2,298
RFQ
MP9928GF-P Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 100kHz ~ 1MHz 99.5% Yes Yes - Enable, Phase Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
MIC2165YMME Microchip Technology

MIC2165YMME

IC REG CTRLR BUCK 10MSOP

Microchip Technology

1,637
RFQ
MIC2165YMME Datasheet

Datasheet

Hyper Speed Control® 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 28V 600kHz 82% Yes No - Enable, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP-EP
MIC2165YMME-TR Microchip Technology

MIC2165YMME-TR

IC REG CTRLR BUCK 10TSOP

Microchip Technology

4,290
RFQ
MIC2165YMME-TR Datasheet

Datasheet

Hyper Speed Control® 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 28V 600kHz 82% Yes No - Enable, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP-EP
LM3475MFX Texas Instruments

LM3475MFX

IC REG CTRLR BUCK SOT23-5

Texas Instruments

3,541
RFQ
LM3475MFX Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 10V - 100% No No - Enable -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
MIC2111BYMT-TR Microchip Technology

MIC2111BYMT-TR

IC REG CTRLR BUCK 20TQFN

Microchip Technology

3,836
RFQ
MIC2111BYMT-TR Datasheet

Datasheet

- 20-UFQFN Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 1 1 3.135V ~ 5.5V 200kHz ~ 2MHz - No No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TQFN (3x3)
MAX5071BASA+T Analog Devices Inc./Maxim Integrated

MAX5071BASA+T

IC REG CTRLR FLYBACK 8SOIC

Analog Devices Inc./Maxim Integrated

3,559
RFQ
MAX5071BASA+T Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 10.8V ~ 30V 20kHz ~ 1MHz 49.8% No Yes - Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 8-SOIC
UCC3800D Texas Instruments

UCC3800D

IC REG CTRLR MULT TOPOLOGY 8SOIC

Texas Instruments

1,285
RFQ
UCC3800D Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube 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
MIC38C45-1BM Microchip Technology

MIC38C45-1BM

IC REG CTRLR MULT TOP 14SOIC

Microchip Technology

4,886
RFQ
MIC38C45-1BM Datasheet

Datasheet

- 14-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 14-SOIC
ISL8104CRZ-T Renesas Electronics Corporation

ISL8104CRZ-T

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

3,188
RFQ
ISL8104CRZ-T Datasheet

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 7.6V ~ 15.4V 200kHz ~ 1.5MHz 100% Yes No - Current Limit, Enable, Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-QFN (4x4)
LM2742MTC/NOPB Texas Instruments

LM2742MTC/NOPB

IC REG CTRLR BUCK 14TSSOP

Texas Instruments

4,282
RFQ
LM2742MTC/NOPB Datasheet

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 50kHz ~ 2MHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 14-TSSOP
MCP1651RT-E/MS Microchip Technology

MCP1651RT-E/MS

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

2,848
RFQ
MCP1651RT-E/MS Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 2.7V ~ 5.5V 750kHz 80% No No - Current Limit, Enable, Low Battery, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 8-MSOP
MCP1651ST-E/MS Microchip Technology

MCP1651ST-E/MS

IC REG CTRLR MULT TOPOLOGY 8MSOP

Microchip Technology

4,393
RFQ
MCP1651ST-E/MS Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 2.7V ~ 5.5V 750kHz 80% No No - Current Limit, Enable, Low Battery, Power Good -40°C ~ 125°C (TJ) - - 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.