Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Manufacturer Series Package/Case Packaging Product Status Output Configuration Output Type Number of Regulators Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Voltage Dropout (Max) Current - Output Current - Quiescent (Iq) Current - Supply (Max) PSRR Control Features Protection Features 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 Output Configuration Output Type Number of Regulators Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Voltage Dropout (Max) Current - Output Current - Quiescent (Iq) Current - Supply (Max) PSRR Control Features Protection Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
SI-3025KS Sanken Electric USA Inc.

SI-3025KS

IC REG LINEAR 2.5V 1A 8SOP

Sanken Electric USA Inc.

1,256
RFQ
SI-3025KS Datasheet

Datasheet

- 8-SOIC (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Positive Fixed 1 17V 2.5V - 0.6V @ 1A 1A 350 µA - 55dB (100Hz ~ 120Hz) - Over Current, Over Temperature -40°C ~ 125°C - - Surface Mount 8-SOP
L4931CPT50-TR STMicroelectronics

L4931CPT50-TR

IC REG LINEAR 5V 250MA PPAK

STMicroelectronics

2,957
RFQ
L4931CPT50-TR Datasheet

Datasheet

- TO-252-5, DPAK (4 Leads + Tab), TO-252AD Tape & Reel (TR) Obsolete Positive Fixed 1 20V 5V - 0.8V @ 250mA 250mA 1 mA 6 mA 70dB ~ 55dB (120Hz ~ 10kHz) - Over Current, Over Temperature -40°C ~ 125°C - - Surface Mount PPAK
NJM78LR05BD# Nisshinbo Micro Devices Inc.

NJM78LR05BD#

IC REG LINEAR 5V 100MA 8DIP

Nisshinbo Micro Devices Inc.

2,018
RFQ
NJM78LR05BD# Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Positive Fixed 1 18V 5V - - 100mA 3.4 mA - 79dB (120Hz) Reset Over Temperature, Short Circuit -40°C ~ 85°C - - Through Hole 8-DIP
R1171S151B5-E2-FE Nisshinbo Micro Devices Inc.

R1171S151B5-E2-FE

IC REG LINEAR 1.55V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

4,220
RFQ
R1171S151B5-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 1.55V - 0.35V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S151B-E2-FE Nisshinbo Micro Devices Inc.

R1171S151B-E2-FE

IC REG LINEAR 1.5V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

2,047
RFQ
R1171S151B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 1.5V - 0.35V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S161B-E2-FE Nisshinbo Micro Devices Inc.

R1171S161B-E2-FE

IC REG LINEAR 1.6V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

4,574
RFQ
R1171S161B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 1.6V - 0.32V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S181A-E2-FE Nisshinbo Micro Devices Inc.

R1171S181A-E2-FE

IC REG LINEAR 1.8V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

3,729
RFQ
R1171S181A-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 1.8V - 0.24V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S181B-E2-FE Nisshinbo Micro Devices Inc.

R1171S181B-E2-FE

IC REG LINEAR 1.8V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

3,924
RFQ
R1171S181B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 1.8V - 0.24V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S191B-E2-FE Nisshinbo Micro Devices Inc.

R1171S191B-E2-FE

IC REG LINEAR 1.9V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

3,432
RFQ
R1171S191B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 1.9V - 0.24V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S241B-E2-FE Nisshinbo Micro Devices Inc.

R1171S241B-E2-FE

IC REG LINEAR 2.4V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

4,390
RFQ
R1171S241B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 2.4V - 0.21V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S251B-E2-FE Nisshinbo Micro Devices Inc.

R1171S251B-E2-FE

IC REG LINEAR 2.5V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

2,654
RFQ
R1171S251B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 2.5V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S261B-E2-FE Nisshinbo Micro Devices Inc.

R1171S261B-E2-FE

IC REG LINEAR 2.6V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

3,101
RFQ
R1171S261B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 2.6V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S281B-E2-FE Nisshinbo Micro Devices Inc.

R1171S281B-E2-FE

IC REG LINEAR 2.8V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

2,544
RFQ
R1171S281B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 2.8V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S301B-E2-FE Nisshinbo Micro Devices Inc.

R1171S301B-E2-FE

IC REG LINEAR 3V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

2,415
RFQ
R1171S301B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 3V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S331A-E2-FE Nisshinbo Micro Devices Inc.

R1171S331A-E2-FE

IC REG LINEAR 3.3V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

3,446
RFQ
R1171S331A-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 3.3V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S361B-E2-FE Nisshinbo Micro Devices Inc.

R1171S361B-E2-FE

IC REG LINEAR 3.6V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

4,983
RFQ
R1171S361B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 3.6V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S371B-E2-FE Nisshinbo Micro Devices Inc.

R1171S371B-E2-FE

IC REG LINEAR 3.7V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

1,578
RFQ
R1171S371B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 3.7V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S401B-E2-FE Nisshinbo Micro Devices Inc.

R1171S401B-E2-FE

IC REG LINEAR 4V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

3,943
RFQ
R1171S401B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 4V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S451A-E2-FE Nisshinbo Micro Devices Inc.

R1171S451A-E2-FE

IC REG LINEAR 4.5V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

1,980
RFQ
R1171S451A-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 4.5V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J
R1171S451B-E2-FE Nisshinbo Micro Devices Inc.

R1171S451B-E2-FE

IC REG LINEAR 4.5V 1.5A 6HSOP

Nisshinbo Micro Devices Inc.

1,071
RFQ
R1171S451B-E2-FE Datasheet

Datasheet

R1171x 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins Tape & Reel (TR) Active Positive Fixed 1 6V 4.5V - 0.18V @ 300mA 1.5A 320 µA - 50dB (1kHz) Enable Over Current, Over Temperature -40°C ~ 85°C - - Surface Mount 6-HSOP-J

Voltage Regulators - Linear, Low Drop Out (LDO) 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 - Linear, Low Drop Out (LDO) 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 - Linear, Low Drop Out (LDO) 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 - Linear, Low Drop Out (LDO) Regulators FAQ

Can FPGAX source both active and end-of-life Voltage Regulators - Linear, Low Drop Out (LDO) 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 - Linear, Low Drop Out (LDO) 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.