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
RT2859BHGQW Richtek USA Inc.

RT2859BHGQW

IC REG BUCK ADJ 3A 16WQFN

Richtek USA Inc.

3,217
RFQ
RT2859BHGQW Datasheet

Datasheet

ACOT™ 16-WFQFN Exposed Pad Cut Tape (CT) Active Step-Down Positive Buck Adjustable 1 4.5V 18V 0.765V 7V 3A 650kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 16-WQFN (3x3)
TPS65266-1RHBR Texas Instruments

TPS65266-1RHBR

IC REG BUCK ADJ TRPL 32VQFN

Texas Instruments

3,448
RFQ
TPS65266-1RHBR Datasheet

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 3 2.7V 6.5V 2.7V 6V 3A, 2A, 2A 250kHz ~ 2.4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 32-VQFN (5x5)
LM2678SDX-3.3 Texas Instruments

LM2678SDX-3.3

IC REG BUCK 3.3V 5A 14VSON

Texas Instruments

2,589
RFQ
LM2678SDX-3.3 Datasheet

Datasheet

SIMPLE SWITCHER® 14-VDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Down Positive Buck Fixed 1 8V 40V 3.3V - 5A 260kHz No -40°C ~ 125°C (TJ) - - Surface Mount 14-VSON (5x6)
LTC1517CS5-3.3#TRMPBF Analog Devices Inc.

LTC1517CS5-3.3#TRMPBF

IC REG CHARGE PUMP 3.3V SOT23-5

Analog Devices Inc.

1,602
RFQ
LTC1517CS5-3.3#TRMPBF Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Charge Pump Fixed 1 2V 4.4V 3.3V - 15mA 700kHz No 0°C ~ 70°C (TA) - - Surface Mount SOT-23-5
LTC1751EMS8-5#TRPBF Analog Devices Inc.

LTC1751EMS8-5#TRPBF

IC REG CHARG PUMP 5V 100MA 8MSOP

Analog Devices Inc.

3,245
RFQ
LTC1751EMS8-5#TRPBF Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Charge Pump Fixed 1 2.5V 5.5V 5V - 100mA 800kHz No -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
LTC1751EMS8-3.3#TRPBF Analog Devices Inc.

LTC1751EMS8-3.3#TRPBF

IC REG CHG PUMP 3.3V 100MA 8MSOP

Analog Devices Inc.

2,417
RFQ
LTC1751EMS8-3.3#TRPBF Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Charge Pump Fixed 1 2.5V 5.5V 3.3V - 100mA 800kHz No -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
LTC1551CS8-4.1#TRPBF Analog Devices Inc.

LTC1551CS8-4.1#TRPBF

IC REG CHARG PUMP -4.1V 10MA 8SO

Analog Devices Inc.

1,352
RFQ
LTC1551CS8-4.1#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Negative Charge Pump Fixed 1 4.5V 6.5V -4.1V - 10mA 900kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC1550CS8-4.1#TRPBF Analog Devices Inc.

LTC1550CS8-4.1#TRPBF

IC REG CHARG PUMP -4.1V 10MA 8SO

Analog Devices Inc.

2,508
RFQ
LTC1550CS8-4.1#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Negative Charge Pump Fixed 1 4.5V 6.5V -4.1V - 10mA 900kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC3403EDD#TRPBF Analog Devices Inc.

LTC3403EDD#TRPBF

IC REG BUCK ADJ 600MA 8DFN

Analog Devices Inc.

3,485
RFQ
LTC3403EDD#TRPBF Datasheet

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 2.5V 5V 0.3V 3.5V 600mA 1.5MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-DFN (3x3)
LTC1517CS5-3.3#TRPBF Analog Devices Inc.

LTC1517CS5-3.3#TRPBF

IC REG CHARGE PUMP 3.3V SOT23-5

Analog Devices Inc.

4,900
RFQ
LTC1517CS5-3.3#TRPBF Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Charge Pump Fixed 1 2V 4.4V 3.3V - 15mA 700kHz No 0°C ~ 70°C (TA) - - Surface Mount SOT-23-5
LTC1517CS5-5#TRPBF Analog Devices Inc.

LTC1517CS5-5#TRPBF

IC REG CHARGE PUMP 5V SOT23-5

Analog Devices Inc.

1,048
RFQ
LTC1517CS5-5#TRPBF Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Charge Pump Fixed 1 2.7V 5V 5V - 20mA 800kHz No 0°C ~ 70°C (TA) - - Surface Mount SOT-23-5
LTC3548EDD-2#TRPBF Analog Devices Inc.

LTC3548EDD-2#TRPBF

IC REG BCK BST ADJ/0.6V DL 10DFN

Analog Devices Inc.

1,538
RFQ
LTC3548EDD-2#TRPBF Datasheet

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost Adjustable (Fixed) 2 2.5V 5.5V 0.6V (1.8V) 5.5V 700mA, 1.2A 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 10-DFN (3x3)
LTC3548AEMSE#TRPBF Analog Devices Inc.

LTC3548AEMSE#TRPBF

IC REG BUCK BOOST ADJ DL 10MSOP

Analog Devices Inc.

3,549
RFQ
LTC3548AEMSE#TRPBF Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost Adjustable 2 2.5V 5.5V 0.6V 5V 400mA, 800mA 2.25MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP-EP
MPQ7930GUTE-0000-AEC1-P Monolithic Power Systems Inc.

MPQ7930GUTE-0000-AEC1-P

IC REG BUCK PROG 32TQFN

Monolithic Power Systems Inc.

4,129
RFQ
MPQ7930GUTE-0000-AEC1-P Datasheet

Datasheet

MPSafe™ 32-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Programmable 1 2.7V 5.5V 0.206V 3.6V 1A, 1A, 3A, 3A, 4A, 4A 2MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount, Wettable Flank 32-TQFN (5x5)
RT2859ALGQW Richtek USA Inc.

RT2859ALGQW

IC REG BUCK ADJ 3A 16WQFN

Richtek USA Inc.

2,927
RFQ
RT2859ALGQW Datasheet

Datasheet

ACOT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4.5V 18V 0.765V 7V 3A 650kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 16-WQFN (3x3)
AS1346-BTDT3318 ams-OSRAM USA INC.

AS1346-BTDT3318

IC REG BUCK 1.8V/3.3V DL 12TDFN

ams-OSRAM USA INC.

1,001
RFQ
AS1346-BTDT3318 Datasheet

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Buck Fixed 2 2.7V 5.5V 1.8V, 3.3V - 1.2A, 500mA 2MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 12-TDFN (3x3)
MP1498DJ-LF-P Monolithic Power Systems Inc.

MP1498DJ-LF-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

3,619
RFQ
MP1498DJ-LF-P Datasheet

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Buck Adjustable 1 4.5V 16V 0.8V 13V 2A 1.4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount TSOT-23-8
RT2859AHGQW Richtek USA Inc.

RT2859AHGQW

IC REG BUCK ADJ 3A 16WQFN

Richtek USA Inc.

2,092
RFQ
RT2859AHGQW Datasheet

Datasheet

ACOT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Step-Down Positive Buck Adjustable 1 4.5V 18V 0.765V 7V 3A 650kHz Yes -40°C ~ 85°C (TA) - - Surface Mount 16-WQFN (3x3)
LP875701ARNFRQ1 Texas Instruments

LP875701ARNFRQ1

IC REG BUCK 1V 10A QUAD 26VQFN

Texas Instruments

2,602
RFQ
LP875701ARNFRQ1 Datasheet

Datasheet

- 26-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Buck Fixed 4 2.8V 5.5V 1V - 10A 3MHz Yes -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount, Wettable Flank 26-VQFN-HR (4.5x4)
R1273L003A-E2 Nisshinbo Micro Devices Inc.

R1273L003A-E2

IC REG BUCK ADJ QFN0505-32B

Nisshinbo Micro Devices Inc.

1,737
RFQ
R1273L003A-E2 Datasheet

Datasheet

R1273L 32-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Buck Adjustable 1 4V 34V 3.15V 5.3V - 250kHz ~ 1MHz Yes -40°C ~ 105°C (TA) - - Surface Mount QFN0505-32B

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.