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
MCP1603T-250I/MC Microchip Technology

MCP1603T-250I/MC

IC REG BUCK 2.5V 500MA 8DFN

Microchip Technology

4,700
RFQ
MCP1603T-250I/MC Datasheet

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 2.5V - 500mA 2MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
MCP1603T-330I/MC Microchip Technology

MCP1603T-330I/MC

IC REG BUCK 3.3V 500MA 8DFN

Microchip Technology

4,381
RFQ
MCP1603T-330I/MC Datasheet

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 3.3V - 500mA 2MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
MCP1603-150I/MC Microchip Technology

MCP1603-150I/MC

IC REG BUCK 1.5V 500MA 8DFN

Microchip Technology

2,808
RFQ
MCP1603-150I/MC Datasheet

Datasheet

- 8-VFDFN Exposed Pad Tube Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 1.5V - 500mA 2MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
MCP1603-180I/MC Microchip Technology

MCP1603-180I/MC

IC REG BUCK 1.8V 500MA 8DFN

Microchip Technology

3,897
RFQ
MCP1603-180I/MC Datasheet

Datasheet

- 8-VFDFN Exposed Pad Tube Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 1.8V - 500mA 2MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
MCP1603-250I/MC Microchip Technology

MCP1603-250I/MC

IC REG BUCK 2.5V 500MA 8DFN

Microchip Technology

2,061
RFQ
MCP1603-250I/MC Datasheet

Datasheet

- 8-VFDFN Exposed Pad Tube Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 2.5V - 500mA 2MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
MCP1603-ADJI/MC Microchip Technology

MCP1603-ADJI/MC

IC REG BUCK ADJ 500MA 8DFN

Microchip Technology

1,614
RFQ
MCP1603-ADJI/MC Datasheet

Datasheet

- 8-VFDFN Exposed Pad Tube Active Step-Down Positive Buck Adjustable 1 2.7V 5.5V 0.8V 4.5V 500mA 2MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
XC9140C331MR-G Torex Semiconductor Ltd

XC9140C331MR-G

IC REG BOOST 3.3V 295MA SOT25-5

Torex Semiconductor Ltd

4,888
RFQ
XC9140C331MR-G Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Boost Fixed 1 0.9V 5.5V 3.3V - 295mA (Switch) - Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-25-5
AP65355FN-7 Diodes Incorporated

AP65355FN-7

IC REG BUCK ADJ 3A UDFN303010

Diodes Incorporated

2,600
RFQ
AP65355FN-7 Datasheet

Datasheet

- 10-UFDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 4.5V 18V 0.76V 6V 3A 650kHz Yes -40°C ~ 85°C (TA) - - Surface Mount U-DFN3030-10
TPS40222DRPRG4 Texas Instruments

TPS40222DRPRG4

IC REG BUCK ADJ 1.6A 6VSON

Texas Instruments

1,871
RFQ
TPS40222DRPRG4 Datasheet

Datasheet

- 6-VDFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Step-Down Positive Buck Adjustable 1 4.5V 8V 0.8V 7.2V 1.6A 1.25MHz No -40°C ~ 125°C (TA) - - Surface Mount 6-VSON (3x3)
ISL85005AFRZ-T Renesas Electronics Corporation

ISL85005AFRZ-T

IC REG BUCK ADJ 5A 12DFN

Renesas Electronics Corporation

4,356
RFQ
ISL85005AFRZ-T Datasheet

Datasheet

- 12-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4.5V 18V 0.8V 15V 5A 500kHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 12-DFN (4x3)
MP2119DQ-LF-Z Monolithic Power Systems Inc.

MP2119DQ-LF-Z

IC REG BUCK ADJ 2A 10QFN

Monolithic Power Systems Inc.

3,166
RFQ
MP2119DQ-LF-Z Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Buck Adjustable 1 2.7V 6V 0.8V 5.4V 2A 1.5MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 10-QFN (3x3)
MP8714GLE-Z Monolithic Power Systems Inc.

MP8714GLE-Z

IC REG BUCK ADJ 10A 14QFN

Monolithic Power Systems Inc.

1,761
RFQ

-

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4.5V 17V 0.6V 5.5V 10A 500kHz No -40°C ~ 125°C (TJ) - - Surface Mount 14-QFN (3x4)
MAX77839BEFQ+T Analog Devices Inc./Maxim Integrated

MAX77839BEFQ+T

IC REG BUCK BST ADJ 3A 11FC2QFN

Analog Devices Inc./Maxim Integrated

2,308
RFQ
MAX77839BEFQ+T Datasheet

Datasheet

- 11-UFQFN Tape & Reel (TR) Active Step-Up/Step-Down Positive Buck-Boost Adjustable 1 1.8V 5.5V 2.3V 5.3V 3A 2.2MHz No -40°C ~ 125°C (TJ) - - Surface Mount 11-FC2QFN (2.5x2)
ACT4529YH-T1011 Qorvo

ACT4529YH-T1011

USB

Qorvo

1,259
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Programmable 1 6V 36V 5.1V, 9.1V, 12.1V - 3A 125kHz Yes -40°C ~ 150°C (TJ) - - Surface Mount 8-SOP-EP
LMR33620AQ5RNXRQ1 Texas Instruments

LMR33620AQ5RNXRQ1

IC REG BUCK 5V 2A 12VQFN

Texas Instruments

2,369
RFQ
LMR33620AQ5RNXRQ1 Datasheet

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 3.8V 36V 5V - 2A 400kHz Yes -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
ISL9120IRTNZ-T Renesas Electronics Corporation

ISL9120IRTNZ-T

IC REG BCK BST 3.3V 800MA 12TQFN

Renesas Electronics Corporation

3,072
RFQ
ISL9120IRTNZ-T Datasheet

Datasheet

- 12-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Buck-Boost Fixed 1 1.8V 5.5V 3.3V - 800mA - No -40°C ~ 85°C (TA) - - Surface Mount 12-TQFN (3x3)
XC9111C181MR-G Torex Semiconductor Ltd

XC9111C181MR-G

IC REG BOOST ADJ 400MA SOT25-5

Torex Semiconductor Ltd

3,251
RFQ
XC9111C181MR-G Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Boost Adjustable (Programmable) 1 0.9V 10V 1.5V 7V 400mA (Switch) 100kHz No -40°C ~ 85°C - - Surface Mount SOT-25-5
MAX42403AFLB+T Analog Devices Inc./Maxim Integrated

MAX42403AFLB+T

IC REG BUCK ADJ 3.5A 15FC2QFN

Analog Devices Inc./Maxim Integrated

2,041
RFQ
MAX42403AFLB+T Datasheet

Datasheet

- 15-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4.5V 36V 0.8V 12V 3.5A 1.5MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount, Wettable Flank 15-FC2QFN (3x3)
MAX42403AFLA+T Analog Devices Inc./Maxim Integrated

MAX42403AFLA+T

IC REG BUCK ADJ 3.5A 15FC2QFN

Analog Devices Inc./Maxim Integrated

3,452
RFQ
MAX42403AFLA+T Datasheet

Datasheet

- 15-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4.5V 36V 0.8V 12V 3.5A 400kHz Yes -40°C ~ 125°C (TJ) - - Surface Mount, Wettable Flank 15-FC2QFN (3x3)
SIP12108ADMP-T1GE4 Vishay Siliconix

SIP12108ADMP-T1GE4

IC REG BUCK ADJ 5A 16MLP

Vishay Siliconix

2,138
RFQ
SIP12108ADMP-T1GE4 Datasheet

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 2.8V 5.5V 0.6V 4.68V 5A 200kHz ~ 4MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 16-MLP (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.