Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Product Status Function Output Configuration Topology Output Type Number of Outputs Voltage - Input (Min) Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Synchronous Rectifier Operating Temperature Grade Qualification Mounting Type Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Function Output Configuration Topology Output Type Number of Outputs Voltage - Input (Min) Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Synchronous Rectifier Operating Temperature Grade Qualification Mounting Type Supplier Device Package
LM2599T-5.0/NOPB Texas Instruments

LM2599T-5.0/NOPB

IC REG BUCK 5V 3A TO220-7

Texas Instruments

1,908
RFQ
LM2599T-5.0/NOPB Datasheet

Datasheet

SIMPLE SWITCHER® TO-220-7 Formed Leads Tube Active Step-Down Positive Buck Fixed 1 4.5V 40V 5V - 3A 150kHz No -40°C ~ 125°C (TJ) - - Through Hole TO-220-7
LM70860RRXR Texas Instruments

LM70860RRXR

SYNCHRONOUS BUCK CONVERTER

Texas Instruments

1,161
RFQ

-

- 29-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4.5V 80V 0.8V 55V 6A 200kHz ~ 2.2MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount, Wettable Flank 29-VQFN (6x6)
LM2575HVT-15/LF03 Texas Instruments

LM2575HVT-15/LF03

IC REG BUCK 15V 1A TO220-5

Texas Instruments

3,078
RFQ
LM2575HVT-15/LF03 Datasheet

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Buck Fixed 1 4V 60V 15V - 1A 52kHz No -40°C ~ 125°C (TJ) - - Through Hole TO-220-5
TPS6735IPG4 Texas Instruments

TPS6735IPG4

IC REG BUCK -5V 200MA 8PDIP

Texas Instruments

2,909
RFQ
TPS6735IPG4 Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Step-Up, Step-Down Negative Buck Fixed 1 4V 6.2V -5V - 200mA 160kHz No -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
MAX638ACSA Analog Devices Inc./Maxim Integrated

MAX638ACSA

IC REG BUCK ADJ/1.31V 8SOIC

Analog Devices Inc./Maxim Integrated

4,311
RFQ
MAX638ACSA Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Step-Down Positive Buck Adjustable (Fixed) 1 2.2V 16.5V 1.31V (5V) 16.5V - 65kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
MAX639CPA Analog Devices Inc./Maxim Integrated

MAX639CPA

IC REG BUCK ADJ/1.3V 225MA 8PDIP

Analog Devices Inc./Maxim Integrated

3,828
RFQ
MAX639CPA Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Step-Down Positive Buck Adjustable (Fixed) 1 4V 11.5V 1.3V (5V) 11.5V 225mA - No 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
MAX641ACSA Analog Devices Inc./Maxim Integrated

MAX641ACSA

IC REG BOOST ADJ/1.31V 8SOIC

Analog Devices Inc./Maxim Integrated

1,207
RFQ
MAX641ACSA Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Step-Up Positive Boost Adjustable (Fixed) 1 2V 16.5V 1.31V (5V) 18V (Switch) 450mA (Switch) 45kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
LTC1261CS8-4.5#TRPBF Analog Devices Inc.

LTC1261CS8-4.5#TRPBF

IC REG CHARG PUMP -4.5V 12MA 8SO

Analog Devices Inc.

1,554
RFQ
LTC1261CS8-4.5#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Negative Charge Pump Fixed 1 3V 8V -4.5V - 12mA 550kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC1261CS8#TRPBF Analog Devices Inc.

LTC1261CS8#TRPBF

IC REG CHARGE PUMP ADJ 12MA 8SO

Analog Devices Inc.

3,149
RFQ
LTC1261CS8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Negative Charge Pump Adjustable 1 3V 8V -1.25V -8V 12mA 550kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
IR3856MTRPBF Infineon Technologies

IR3856MTRPBF

IC REG BUCK ADJ 6A 17PQFN

Infineon Technologies

2,083
RFQ
IR3856MTRPBF Datasheet

Datasheet

SupIRBuck® 17-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 21V 0.7V 18.9V 6A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 17-PQFN (4x5)
IR3475MTRPBF Infineon Technologies

IR3475MTRPBF

IC REG BUCK ADJ 10A 16QFN

Infineon Technologies

3,970
RFQ
IR3475MTRPBF Datasheet

Datasheet

SupIRBuck® 16-PowerVFQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 3V 27V 0.5V 12V 10A Up to 750kHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (4x5)
LM2574MX-5.0 Texas Instruments

LM2574MX-5.0

IC REG BUCK 5V 500MA 14SOIC

Texas Instruments

4,600
RFQ
LM2574MX-5.0 Datasheet

Datasheet

SIMPLE SWITCHER® 14-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Not For New Designs Step-Down Positive Buck Fixed 1 4V 40V 5V - 500mA 52kHz No -40°C ~ 125°C (TJ) - - Surface Mount 14-SOIC
TPS54495RSAR Texas Instruments

TPS54495RSAR

IC REG BUCK ADJ 4A/2A DL 16QFN

Texas Instruments

2,089
RFQ
TPS54495RSAR Datasheet

Datasheet

D-CAP2™, Eco-Mode™ 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 2 4.5V 18V 0.76V 7V 4A, 2A 700kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (4x4)
RT6239BHGQUF Richtek USA Inc.

RT6239BHGQUF

IC REG BUCK ADJ 9A 14UQFN

Richtek USA Inc.

3,648
RFQ
RT6239BHGQUF Datasheet

Datasheet

ACOT™ 14-UFQFN Cut Tape (CT) Active Step-Down Positive Buck Adjustable 1 4.5V 18V 0.7V 8V 9A 500kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 14-UQFN (2x3)
A6985F5VTR STMicroelectronics

A6985F5VTR

IC REG BUCK 5V 500MA 16HTSSOP

STMicroelectronics

2,973
RFQ
A6985F5VTR Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 4V 38V 5V - 500mA 250kHz ~ 2MHz Yes -40°C ~ 150°C (TJ) Automotive AEC-Q100 Surface Mount 16-HTSSOP
MAX17271ETE+T Analog Devices Inc./Maxim Integrated

MAX17271ETE+T

IC REG BUCK BST PROG TRPL 16TQFN

Analog Devices Inc./Maxim Integrated

2,921
RFQ
MAX17271ETE+T Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down Positive Buck-Boost Programmable 3 2.7V 5.5V 0.8V 5.175V 1.2A - Yes -40°C ~ 85°C - - Surface Mount 16-TQFN (3x3)
LT8640AJUDCM-3.3#TRPBF Analog Devices Inc.

LT8640AJUDCM-3.3#TRPBF

IC REG BUCK 3.3V 5A 20QFN

Analog Devices Inc.

4,688
RFQ
LT8640AJUDCM-3.3#TRPBF Datasheet

Datasheet

Silent Switcher®1 20-WFQFN Exposed Pad, 18 Leads Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.9V 42V 3.3V - 5A 200kHz ~ 3MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount, Wettable Flank 20-QFN (3x4)
MPF5301AMMA0ES NXP USA Inc.

MPF5301AMMA0ES

IC REG BUCK ADJ 8A 24HWQFN

NXP USA Inc.

1,676
RFQ
MPF5301AMMA0ES Datasheet

Datasheet

- 24-PowerWFQFN Tray Active Step-Down Positive Buck Adjustable 1 2.7V 5.5V 0.5V 1.2V 8A 2MHz ~ 3MHz No -40°C ~ 125°C (TA) - - Surface Mount, Wettable Flank 24-HWQFN (4.5x3.5)
MXL76125-AQB-R MaxLinear, Inc.

MXL76125-AQB-R

IC REG BUCK ADJ 15A 22VQFN

MaxLinear, Inc.

1,316
RFQ

-

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4.5V, 5V 5.5V, 22V 0.6V 22V 15A 200kHz ~ 1.25MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 22-VQFN (4x5)
TPS54388QRTERQ1 Texas Instruments

TPS54388QRTERQ1

IC REG BUCK ADJ 3A 16WQFN

Texas Instruments

4,554
RFQ
TPS54388QRTERQ1 Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.95V 6V 0.8V 6V 3A 200kHz ~ 2MHz Yes -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 16-WQFN (3x3)

Voltage Regulators - DC DC Switching Regulators 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 Voltage Regulators - DC DC Switching Regulators 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 Voltage Regulators - DC DC Switching Regulators 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.

Voltage Regulators - DC DC Switching Regulators FAQ

Can FPGAX source both active and end-of-life Voltage Regulators - DC DC Switching Regulators 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 Voltage Regulators - DC DC Switching Regulators 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.