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
SP6650EU-L MaxLinear, Inc.

SP6650EU-L

IC REG BUCK ADJ/1.25V 10MSOP

MaxLinear, Inc.

3,986
RFQ
SP6650EU-L Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Discontinued at Digi-Key Step-Down Positive Buck Adjustable (Fixed) 1 2.7V 6.5V 1.25V (3.3V) 6.5V 600mA - Yes -40°C ~ 85°C (TA) - - Surface Mount 10-MSOP
SP6652ER-L MaxLinear, Inc.

SP6652ER-L

IC REG BUCK ADJ 1A 10DFN

MaxLinear, Inc.

1,004
RFQ
SP6652ER-L Datasheet

Datasheet

- 10-VFDFN Exposed Pad Bulk Discontinued at Digi-Key Step-Down Positive Buck Adjustable 1 2.85V 5.5V 0.9V 5V 1A 1.4MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 10-DFN (3x3)
SP6661EU-L MaxLinear, Inc.

SP6661EU-L

IC REG CHRG PUMP INV 200MA 8MSOP

MaxLinear, Inc.

4,063
RFQ
SP6661EU-L Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Obsolete Ratiometric Positive or Negative Charge Pump Fixed 1 1.5V 5.3V -Vin, 2Vin - 200mA 120kHz, 900kHz No -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
IR3853MTRPBF Infineon Technologies

IR3853MTRPBF

IC REG BUCK ADJ 4A 17PQFN

Infineon Technologies

4,301
RFQ
IR3853MTRPBF Datasheet

Datasheet

SupIRBuck® 17-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 21V 0.7V 18.9V 4A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 17-PQFN (4x5)
IR3853MTR1PBF Infineon Technologies

IR3853MTR1PBF

IC REG BUCK ADJ 4A 17PQFN

Infineon Technologies

4,320
RFQ
IR3853MTR1PBF Datasheet

Datasheet

SupIRBuck® 17-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 21V 0.7V 18.9V 4A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 17-PQFN (4x5)
IR3856MTR1PBF Infineon Technologies

IR3856MTR1PBF

IC REG BUCK ADJ 6A 17PQFN

Infineon Technologies

3,695
RFQ
IR3856MTR1PBF Datasheet

Datasheet

SupIRBuck® 17-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 21V 0.7V 18.9V 6A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 17-PQFN (5x6)
IR3859MTR1PBF Infineon Technologies

IR3859MTR1PBF

IC REG BUCK ADJ 9A 17PQFN

Infineon Technologies

4,517
RFQ
IR3859MTR1PBF Datasheet

Datasheet

SupIRBuck® 17-PowerVQFN Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 1.5V 21V 0.7V 18.9V 9A 225kHz ~ 1.65MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 17-PQFN (5x6)
AS1336A-BQFT ams-OSRAM USA INC.

AS1336A-BQFT

IC REG BOOST ADJ 500MA DL 16TQFN

ams-OSRAM USA INC.

2,500
RFQ
AS1336A-BQFT Datasheet

Datasheet

- 16-UFQFN Exposed Pad Tape & Reel (TR) Obsolete Step-Up Positive Boost Adjustable 2 0.8V 3.6V 1.8V 3.6V 500mA (Switch) 1.2MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 16-TQFN (3x3)
AS1330-BTDT-18 ams-OSRAM USA INC.

AS1330-BTDT-18

IC REG BOOST 1.8V 650MA 8TDFN

ams-OSRAM USA INC.

1,951
RFQ
AS1330-BTDT-18 Datasheet

Datasheet

- 8-UFDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Up Positive Boost Fixed 1 0.6V 3V 1.8V - 650mA (Switch) 4MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-TDFN (2x2)
AS1330-BTDT-AD ams-OSRAM USA INC.

AS1330-BTDT-AD

IC REG BOOST ADJ 650MA 8TDFN

ams-OSRAM USA INC.

1,253
RFQ
AS1330-BTDT-AD Datasheet

Datasheet

- 8-UFDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Up Positive Boost Adjustable 1 0.6V 3V 1.8V 3V 650mA (Switch) 4MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-TDFN (2x2)
AS1340A-BTDM-10 ams-OSRAM USA INC.

AS1340A-BTDM-10

IC REG BOOST ADJ 1.41A 8TDFN

ams-OSRAM USA INC.

3,415
RFQ
AS1340A-BTDM-10 Datasheet

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Up Positive Boost Adjustable 1 2.7V 50V 2.7V 50V 1.41A (Switch) 1MHz No -40°C ~ 85°C (TA) - - Surface Mount 8-TDFN (3x3)
AS1344-BTDT ams-OSRAM USA INC.

AS1344-BTDT

IC REG BOOST ADJ 1.4A 10TDFN

ams-OSRAM USA INC.

4,315
RFQ
AS1344-BTDT Datasheet

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Up Positive Boost Adjustable 1 0.9V 3.6V 5.5V 42V 1.4A (Switch) 1MHz No -40°C ~ 85°C (TA) - - Surface Mount 10-TDFN (3x3)
SP6669BEK-L/TRR3 MaxLinear, Inc.

SP6669BEK-L/TRR3

IC REG BUCK 1.2V 600MA SOT23-5

MaxLinear, Inc.

2,332
RFQ
SP6669BEK-L/TRR3 Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Discontinued at Digi-Key Step-Down Positive Buck Fixed 1 2.5V 5.5V 1.2V - 600mA 1.5MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
SP6669CEK-L/TRR3 MaxLinear, Inc.

SP6669CEK-L/TRR3

IC REG BUCK 1.5V 600MA SOT23-5

MaxLinear, Inc.

1,716
RFQ
SP6669CEK-L/TRR3 Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Obsolete Step-Down Positive Buck Fixed 1 2.5V 5.5V 1.5V - 600mA 1.5MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
SP6669DEK-L/TRR3 MaxLinear, Inc.

SP6669DEK-L/TRR3

IC REG BUCK 1.8V 600MA SOT23-5

MaxLinear, Inc.

4,586
RFQ
SP6669DEK-L/TRR3 Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Obsolete Step-Down Positive Buck Fixed 1 2.5V 5.5V 1.8V - 600mA 1.5MHz Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
SP6641AEK-L-5-0/TR MaxLinear, Inc.

SP6641AEK-L-5-0/TR

IC REG BOOST 5V 1.5A SOT23-5

MaxLinear, Inc.

4,780
RFQ
SP6641AEK-L-5-0/TR Datasheet

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Obsolete Step-Up Positive Boost Fixed 1 0.5V 4.5V 5V - 1.5A (Switch) - Yes -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
SP6644EU-L/TR MaxLinear, Inc.

SP6644EU-L/TR

IC REG BOOST ADJ/2V 1A 8MSOP

MaxLinear, Inc.

1,141
RFQ
SP6644EU-L/TR Datasheet

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Step-Up Positive Boost Adjustable (Fixed) 1 0.9V 3.3V 2V (3.3V) 5.5V 1A (Switch) - Yes -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
SP6650EU-L/TR MaxLinear, Inc.

SP6650EU-L/TR

IC REG BUCK ADJ/1.25V 10MSOP

MaxLinear, Inc.

2,368
RFQ
SP6650EU-L/TR Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable (Fixed) 1 2.7V 6.5V 1.25V (3.3V) 6.5V 600mA - Yes -40°C ~ 85°C (TA) - - Surface Mount 10-MSOP
SP6651AER-L/TR MaxLinear, Inc.

SP6651AER-L/TR

IC REG BUCK ADJ 800MA 10DFN

MaxLinear, Inc.

3,418
RFQ
SP6651AER-L/TR Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Obsolete Step-Down Positive Buck Adjustable 1 2.7V 5.5V 1V 5V 800mA - Yes -40°C ~ 85°C (TA) - - Surface Mount 10-DFN (3x3)
SP6651AEU-L MaxLinear, Inc.

SP6651AEU-L

IC REG BUCK ADJ 800MA 10MSOP

MaxLinear, Inc.

4,985
RFQ
SP6651AEU-L Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Discontinued at Digi-Key Step-Down Positive Buck Adjustable 1 2.7V 5.5V 1V 5V 800mA - Yes -40°C ~ 85°C (TA) - - Surface Mount 10-MSOP

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.