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
RP504N101B-TR-FE Nisshinbo Micro Devices Inc.

RP504N101B-TR-FE

IC REG BUCK 1V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,906
RFQ
RP504N101B-TR-FE Datasheet

Datasheet

RP504x SC-74A, SOT-753 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 SOT-23-5
RP504N111B-TR-FE Nisshinbo Micro Devices Inc.

RP504N111B-TR-FE

IC REG BUCK 1.1V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,129
RFQ
RP504N111B-TR-FE Datasheet

Datasheet

RP504x SC-74A, SOT-753 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 SOT-23-5
RP504N121B-TR-FE Nisshinbo Micro Devices Inc.

RP504N121B-TR-FE

IC REG BUCK 1.2V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

2,927
RFQ
RP504N121B-TR-FE 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
RP504N121C5-TR-FE Nisshinbo Micro Devices Inc.

RP504N121C5-TR-FE

IC REG BUCK 1.2V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

2,247
RFQ
RP504N121C5-TR-FE 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
RP504N121C-TR-FE Nisshinbo Micro Devices Inc.

RP504N121C-TR-FE

IC REG BUCK 1.2V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,455
RFQ
RP504N121C-TR-FE 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
RP504N141C-TR-FE Nisshinbo Micro Devices Inc.

RP504N141C-TR-FE

IC REG BUCK 1.4V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,537
RFQ
RP504N141C-TR-FE Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 1.4V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504N151B-TR-FE Nisshinbo Micro Devices Inc.

RP504N151B-TR-FE

IC REG BUCK 1.5V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,318
RFQ
RP504N151B-TR-FE 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
RP504N181B-TR-FE Nisshinbo Micro Devices Inc.

RP504N181B-TR-FE

IC REG BUCK 1.8V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,978
RFQ
RP504N181B-TR-FE 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
RP504N181C-TR-FE Nisshinbo Micro Devices Inc.

RP504N181C-TR-FE

IC REG BUCK 1.8V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,939
RFQ
RP504N181C-TR-FE 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
RP504N201B-TR-FE Nisshinbo Micro Devices Inc.

RP504N201B-TR-FE

IC REG BUCK 2V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,762
RFQ
RP504N201B-TR-FE Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 2V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504N251B-TR-FE Nisshinbo Micro Devices Inc.

RP504N251B-TR-FE

IC REG BUCK 2.5V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

2,995
RFQ
RP504N251B-TR-FE 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
RP504N271B-TR-FE Nisshinbo Micro Devices Inc.

RP504N271B-TR-FE

IC REG BUCK 2.7V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,686
RFQ
RP504N271B-TR-FE Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 2.7V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504N281B-TR-FE Nisshinbo Micro Devices Inc.

RP504N281B-TR-FE

IC REG BUCK 2.8V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,446
RFQ
RP504N281B-TR-FE Datasheet

Datasheet

RP504x SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Buck Fixed 1 2.3V 5.5V 2.8V - 600mA 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
RP504N301B-TR-FE Nisshinbo Micro Devices Inc.

RP504N301B-TR-FE

IC REG BUCK 3V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

2,171
RFQ
RP504N301B-TR-FE 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
RP504N311C-TR-FE Nisshinbo Micro Devices Inc.

RP504N311C-TR-FE

IC REG BUCK 3.1V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,520
RFQ
RP504N311C-TR-FE 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
RP504N331B-TR-FE Nisshinbo Micro Devices Inc.

RP504N331B-TR-FE

IC REG BUCK 3.3V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,089
RFQ
RP504N331B-TR-FE 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
RP504N331C-TR-FE Nisshinbo Micro Devices Inc.

RP504N331C-TR-FE

IC REG BUCK 3.3V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

4,882
RFQ
RP504N331C-TR-FE 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
MP28119EG-LF-Z Monolithic Power Systems Inc.

MP28119EG-LF-Z

IC REG BUCK ADJ 600MA 8QFN

Monolithic Power Systems Inc.

2,146
RFQ
MP28119EG-LF-Z Datasheet

Datasheet

- 8-TFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Buck Adjustable 1 2.5V 6V 0.6V 6V 600mA 1.7MHz Yes -20°C ~ 85°C (TA) - - Surface Mount 8-QFN (2x2)
RP504K101D5-E2 Nisshinbo Micro Devices Inc.

RP504K101D5-E2

IC REG BUCK 1V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

3,082
RFQ
RP504K101D5-E2 Datasheet

Datasheet

RP504x SC-74A, SOT-753 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 SOT-23-5
RP504K121D5-E2 Nisshinbo Micro Devices Inc.

RP504K121D5-E2

IC REG BUCK 1.2V 600MA SOT23-5

Nisshinbo Micro Devices Inc.

1,616
RFQ
RP504K121D5-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
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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.