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
LTC3633AIFE Analog Devices Inc.

LTC3633AIFE

IC REG BUCK ADJ 3A DL 28TSSOP

Analog Devices Inc.

4,411
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.6V 20V 0.6V 6V 3A 500kHz ~ 4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3633AIFE-1 Analog Devices Inc.

LTC3633AIFE-1

IC REG BUCK ADJ 3A DL 28TSSOP

Analog Devices Inc.

4,178
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.6V 20V 1.5V 12V 3A 500kHz ~ 4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3633AIFE-2 Analog Devices Inc.

LTC3633AIFE-2

IC REG BUCK ADJ 3A DL 28TSSOP

Analog Devices Inc.

2,658
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.6V 20V 0.6V 6V 3A 500kHz ~ 4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3633AIFE-3 Analog Devices Inc.

LTC3633AIFE-3

IC REG BUCK ADJ 3A DL 28TSSOP

Analog Devices Inc.

3,755
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.6V 20V 1.5V 12V 3A 500kHz ~ 4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3633EFE Analog Devices Inc.

LTC3633EFE

IC REG BUCK ADJ 3A DL 28TSSOP

Analog Devices Inc.

1,805
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.6V 15V 0.6V 14.7V 3A 500kHz ~ 4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3633IFE Analog Devices Inc.

LTC3633IFE

IC REG BUCK ADJ 3A DL 28TSSOP

Analog Devices Inc.

4,758
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.6V 15V 0.6V 14.7V 3A 500kHz ~ 4MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3643EUDD Analog Devices Inc.

LTC3643EUDD

IC REG BUCK BOOST ADJ 2A 24QFN

Analog Devices Inc.

1,377
RFQ

-

- 24-WFQFN Exposed Pad Tube Obsolete Step-Up, Step-Down Positive Buck, Boost Adjustable 1 3V 17V 0.6V - 2A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (3x5)
LTC3643IUDD Analog Devices Inc.

LTC3643IUDD

IC REG BUCK BOOST ADJ 2A 24QFN

Analog Devices Inc.

3,612
RFQ

-

- 24-WFQFN Exposed Pad Tube Obsolete Step-Up, Step-Down Positive Buck, Boost Adjustable 1 3V 17V 0.6V - 2A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (3x5)
LTC3646EDE Analog Devices Inc.

LTC3646EDE

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

4,927
RFQ

-

- 14-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 2V 30V 1A 200kHz ~ 3MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount 14-DFN (4x3)
LTC3646EDE-1 Analog Devices Inc.

LTC3646EDE-1

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

4,801
RFQ

-

- 14-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 0.6V 15V 1A 200kHz ~ 3MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount 14-DFN (4x3)
LTC3646HDE Analog Devices Inc.

LTC3646HDE

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

4,223
RFQ

-

- 14-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 2V 30V 1A 200kHz ~ 3MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount 14-DFN (4x3)
LTC3646HDE-1 Analog Devices Inc.

LTC3646HDE-1

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

1,712
RFQ

-

- 14-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 0.6V 15V 1A 200kHz ~ 3MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount 14-DFN (4x3)
LTC3646IDE Analog Devices Inc.

LTC3646IDE

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

2,891
RFQ

-

- 14-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 2V 30V 1A 200kHz ~ 3MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount 14-DFN (4x3)
LTC3646IDE-1 Analog Devices Inc.

LTC3646IDE-1

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

4,322
RFQ

-

- 14-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 4V 40V 0.6V 15V 1A 200kHz ~ 3MHz Yes -40°C ~ 150°C (TJ) - - Surface Mount 14-DFN (4x3)
LTC3649EFE Analog Devices Inc.

LTC3649EFE

IC REG BUCK ADJ 4A 28TSSOP

Analog Devices Inc.

3,936
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 3.1V 60V 0V 55V 4A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3649IFE Analog Devices Inc.

LTC3649IFE

IC REG BUCK ADJ 4A 28TSSOP

Analog Devices Inc.

1,714
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 3.1V 60V 0V 55V 4A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3815EUFE Analog Devices Inc.

LTC3815EUFE

IC REG BUCK PROG 6A 38QFN

Analog Devices Inc.

3,763
RFQ

-

- 38-WFQFN Exposed Pad Tube Obsolete Step-Down Positive Buck Programmable 1 2.25V 5.5V 0.4V 3.96V 6A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (4x6)
LTC3815IUFE Analog Devices Inc.

LTC3815IUFE

IC REG BUCK PROG 6A 38QFN

Analog Devices Inc.

4,672
RFQ

-

- 38-WFQFN Exposed Pad Tube Obsolete Step-Down Positive Buck Programmable 1 2.25V 5.5V 0.4V 3.96V 6A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (4x6)
LTC7149EFE Analog Devices Inc.

LTC7149EFE

IC REG BUCK ADJ 4A 28TSSOP

Analog Devices Inc.

3,073
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Negative Buck Adjustable 1 3.4V 60V 0V -28V 4A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC7149IFE Analog Devices Inc.

LTC7149IFE

IC REG BUCK ADJ 4A 28TSSOP

Analog Devices Inc.

4,351
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Negative Buck Adjustable 1 3.4V 60V 0V -28V 4A 1MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP

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.