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
LT3663EDCB-5 Analog Devices Inc.

LT3663EDCB-5

IC REG BUCK 5V 1.2A 8DFN

Analog Devices Inc.

2,825
RFQ
LT3663EDCB-5 Datasheet

Datasheet

- 8-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Fixed 1 7.5V 36V 5V - 1.2A 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
LT3663IDCB Analog Devices Inc.

LT3663IDCB

IC REG BUCK ADJ 1.2A 8DFN

Analog Devices Inc.

4,941
RFQ
LT3663IDCB Datasheet

Datasheet

- 8-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 7.5V 36V 0.8V 6V 1.2A 1.5MHz No -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
LT3663IDCB-3.3 Analog Devices Inc.

LT3663IDCB-3.3

IC REG BUCK 3.3V 1.2A 8DFN

Analog Devices Inc.

3,230
RFQ
LT3663IDCB-3.3 Datasheet

Datasheet

- 8-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Fixed 1 7.5V 36V 3.3V - 1.2A 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
LT3663IDCB-5 Analog Devices Inc.

LT3663IDCB-5

IC REG BUCK 5V 1.2A 8DFN

Analog Devices Inc.

4,328
RFQ
LT3663IDCB-5 Datasheet

Datasheet

- 8-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Fixed 1 7.5V 36V 5V - 1.2A 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 8-DFN (2x3)
LT3688EFE Analog Devices Inc.

LT3688EFE

IC REG BUCK ADJ 800MA DL 24TSSOP

Analog Devices Inc.

2,950
RFQ

-

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.8V 36V 0.8V 36V 800mA 500kHz ~ 2.1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
LT3688HFE Analog Devices Inc.

LT3688HFE

IC REG BUCK ADJ 800MA DL 24TSSOP

Analog Devices Inc.

4,768
RFQ

-

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.8V 36V 0.8V 36V 800mA 500kHz ~ 2.1MHz No -40°C ~ 150°C (TJ) - - Surface Mount 24-TSSOP
LT3688IFE Analog Devices Inc.

LT3688IFE

IC REG BUCK ADJ 800MA DL 24TSSOP

Analog Devices Inc.

1,990
RFQ

-

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3.8V 36V 0.8V 36V 800mA 500kHz ~ 2.1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
LT3692AEFE Analog Devices Inc.

LT3692AEFE

IC REG BUCK ADJ 3.5A DL 38TSSOP

Analog Devices Inc.

2,648
RFQ

-

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3V 36V 0.8V 34.2V 3.5A 110kHz ~ 2.5MHz No -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3692AIFE Analog Devices Inc.

LT3692AIFE

IC REG BUCK ADJ 3.5A DL 38TSSOP

Analog Devices Inc.

2,271
RFQ

-

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 2 3V 36V 0.8V 34.2V 3.5A 110kHz ~ 2.5MHz No -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3957AEUHE Analog Devices Inc.

LT3957AEUHE

IC REG BOOST CUK ADJ 5A 36QFN

Analog Devices Inc.

2,410
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, Flyback, SEPIC Adjustable 1 3V 40V 1.6V 40V (Switch) 5A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3957AIUHE Analog Devices Inc.

LT3957AIUHE

IC REG BOOST CUK ADJ 5A 36QFN

Analog Devices Inc.

4,238
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, Flyback, SEPIC Adjustable 1 3V 40V 1.6V 40V (Switch) 5A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3957EUHE Analog Devices Inc.

LT3957EUHE

IC REG BOOST CUK ADJ 5A 36QFN

Analog Devices Inc.

4,962
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, Flyback, SEPIC Adjustable 1 3V 40V 1.6V 40V (Switch) 5A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3957IUHE Analog Devices Inc.

LT3957IUHE

IC REG BOOST CUK ADJ 5A 36QFN

Analog Devices Inc.

3,096
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, Flyback, SEPIC Adjustable 1 3V 40V 1.6V 40V (Switch) 5A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3958EUHE Analog Devices Inc.

LT3958EUHE

IC REG BOOST CUK ADJ 3.3A 36QFN

Analog Devices Inc.

3,595
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, Flyback, SEPIC Adjustable 1 5V 80V 1.6V 84V (Switch) 3.3A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3958IUHE Analog Devices Inc.

LT3958IUHE

IC REG BOOST CUK ADJ 3.3A 36QFN

Analog Devices Inc.

3,688
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, Flyback, SEPIC Adjustable 1 5V 80V 1.6V 84V (Switch) 3.3A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3959EFE Analog Devices Inc.

LT3959EFE

IC REG BOOST CUK ADJ 6A 38TSSOP

Analog Devices Inc.

2,654
RFQ

-

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, SEPIC Adjustable 1 1.6V 40V 0.8V 40V (Switch) 6A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3959EUHE Analog Devices Inc.

LT3959EUHE

IC REG BOOST CUK ADJ 6A 36QFN

Analog Devices Inc.

1,207
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, SEPIC Adjustable 1 1.6V 40V 0.8V 40V (Switch) 6A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3959IFE Analog Devices Inc.

LT3959IFE

IC REG BOOST CUK ADJ 6A 38TSSOP

Analog Devices Inc.

1,074
RFQ

-

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, SEPIC Adjustable 1 1.6V 40V 0.8V 40V (Switch) 6A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3959IUHE Analog Devices Inc.

LT3959IUHE

IC REG BOOST CUK ADJ 6A 36QFN

Analog Devices Inc.

4,747
RFQ

-

- 36-WFQFN, 28 Leads, Exposed Pad Tube Obsolete Step-Up, Step-Up/Step-Down Positive or Negative Boost, Cuk, SEPIC Adjustable 1 1.6V 40V 0.8V 40V (Switch) 6A (Switch) 100kHz ~ 1MHz No -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LT3971EDD Analog Devices Inc.

LT3971EDD

IC REG BUCK ADJ 1.2A 10DFN

Analog Devices Inc.

3,516
RFQ

-

- 10-WFDFN Exposed Pad Tube Obsolete Step-Down Positive Buck Adjustable 1 4.3V 38V 1.19V 30V 1.2A 200kHz ~ 2MHz No -40°C ~ 125°C (TJ) - - Surface Mount 10-DFN (3x3)

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.