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
RP504K121D-E2 Nisshinbo Micro Devices Inc.

RP504K121D-E2

IC REG BUCK 1.2V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,164
RFQ
RP504K121D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.2V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K121D-TR Nisshinbo Micro Devices Inc.

RP504K121D-TR

IC REG BUCK 1.2V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,971
RFQ
RP504K121D-TR Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.2V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K131D5-E2 Nisshinbo Micro Devices Inc.

RP504K131D5-E2

IC REG BUCK 1.3V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,365
RFQ
RP504K131D5-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.3V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K151D-E2 Nisshinbo Micro Devices Inc.

RP504K151D-E2

IC REG BUCK 1.5V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,913
RFQ
RP504K151D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.5V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K181D-E2 Nisshinbo Micro Devices Inc.

RP504K181D-E2

IC REG BUCK 1.8V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

2,470
RFQ
RP504K181D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.8V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K191D-E2 Nisshinbo Micro Devices Inc.

RP504K191D-E2

IC REG BUCK 1.9V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,612
RFQ
RP504K191D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.9V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K211D-E2 Nisshinbo Micro Devices Inc.

RP504K211D-E2

IC REG BUCK 2.1V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,652
RFQ
RP504K211D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 2.1V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K231D-E2 Nisshinbo Micro Devices Inc.

RP504K231D-E2

IC REG BUCK 2.3V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,424
RFQ
RP504K231D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 2.3V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K251D-E2 Nisshinbo Micro Devices Inc.

RP504K251D-E2

IC REG BUCK 2.5V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

2,163
RFQ
RP504K251D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 2.5V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K291D-E2 Nisshinbo Micro Devices Inc.

RP504K291D-E2

IC REG BUCK 2.9V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,542
RFQ
RP504K291D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 2.9V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K301D-E2 Nisshinbo Micro Devices Inc.

RP504K301D-E2

IC REG BUCK 3V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,223
RFQ
RP504K301D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 3V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K311D-E2 Nisshinbo Micro Devices Inc.

RP504K311D-E2

IC REG BUCK 3.1V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,490
RFQ
RP504K311D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 3.1V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504K331D-E2 Nisshinbo Micro Devices Inc.

RP504K331D-E2

IC REG BUCK 3.3V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,782
RFQ
RP504K331D-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 3.3V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504L091D-TR Nisshinbo Micro Devices Inc.

RP504L091D-TR

IC REG BUCK 0.9V 600MA 6DFN

Nisshinbo Micro Devices Inc.

2,440
RFQ
RP504L091D-TR Datasheet

Datasheet

RP504x 6-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 4.5V 0.9V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount DFN1616-6B
RP504L101A-TR Nisshinbo Micro Devices Inc.

RP504L101A-TR

IC REG BUCK 1V 600MA 6DFN

Nisshinbo Micro Devices Inc.

4,855
RFQ
RP504L101A-TR Datasheet

Datasheet

RP504x 6-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount DFN1616-6B
RP504L101D-TR Nisshinbo Micro Devices Inc.

RP504L101D-TR

IC REG BUCK 1V 600MA 6DFN

Nisshinbo Micro Devices Inc.

3,955
RFQ
RP504L101D-TR Datasheet

Datasheet

RP504x 6-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount DFN1616-6B
RP504L111D-TR Nisshinbo Micro Devices Inc.

RP504L111D-TR

IC REG BUCK 1.1V 600MA 6DFN

Nisshinbo Micro Devices Inc.

4,211
RFQ
RP504L111D-TR Datasheet

Datasheet

RP504x 6-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.1V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount DFN1616-6B
RP504L121D5-TR Nisshinbo Micro Devices Inc.

RP504L121D5-TR

IC REG BUCK 1.2V 600MA 6DFN

Nisshinbo Micro Devices Inc.

4,191
RFQ
RP504L121D5-TR Datasheet

Datasheet

RP504x 6-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.2V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount DFN1616-6B
RP504L131A5-TR Nisshinbo Micro Devices Inc.

RP504L131A5-TR

IC REG BUCK 1.3V 600MA 6DFN

Nisshinbo Micro Devices Inc.

3,321
RFQ
RP504L131A5-TR Datasheet

Datasheet

RP504x 6-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.3V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount DFN1616-6B
RP504L131D5-TR Nisshinbo Micro Devices Inc.

RP504L131D5-TR

IC REG BUCK 1.3V 600MA 6DFN

Nisshinbo Micro Devices Inc.

3,033
RFQ
RP504L131D5-TR Datasheet

Datasheet

RP504x 6-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.3V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount DFN1616-6B
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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.