DC DC Switching Controllers

Manufacturer Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package





















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
LTC7806RUFDM#PBF Analog Devices Inc.

LTC7806RUFDM#PBF

2-Phase Sync Boost CTL, 40V, 3MH

Analog Devices Inc.

2,693
RFQ
LTC7806RUFDM#PBF Datasheet

Datasheet

- 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 1 2 4.5V ~ 40V 100kHz ~ 3MHz 100% Yes Yes - Current Limit, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount, Wettable Flank 28-QFN (4x5)
LTC3807MPUDC#PBF Analog Devices Inc.

LTC3807MPUDC#PBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

1,082
RFQ
LTC3807MPUDC#PBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 50kHz ~ 900kHz 99% Yes No - Current Limit, Enable, Frequency Control, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 20-QFN (3x4)
LTC1159IS-3.3#PBF Analog Devices Inc.

LTC1159IS-3.3#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

4,055
RFQ
LTC1159IS-3.3#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC3838IFE#PBF Analog Devices Inc.

LTC3838IFE#PBF

IC REG CTRLR BUCK 38TSSOP

Analog Devices Inc.

100
RFQ
LTC3838IFE#PBF Datasheet

Datasheet

PolyPhase® 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC1438CG-ADJ#PBF Analog Devices Inc.

LTC1438CG-ADJ#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

4,030
RFQ
LTC1438CG-ADJ#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
LTC1438CG#PBF Analog Devices Inc.

LTC1438CG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

2,985
RFQ
LTC1438CG#PBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
LTC3875IUH#PBF Analog Devices Inc.

LTC3875IUH#PBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

2,824
RFQ
LTC3875IUH#PBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 250kHz ~ 720kHz - Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (5x5)
LTC3707EGN-SYNC#PBF Analog Devices Inc.

LTC3707EGN-SYNC#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

2,445
RFQ
LTC3707EGN-SYNC#PBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3858EUFD-1#PBF Analog Devices Inc.

LTC3858EUFD-1#PBF

IC REG CTRLR BUCK 28QFN

Analog Devices Inc.

1,151
RFQ
LTC3858EUFD-1#PBF Datasheet

Datasheet

- 28-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 38V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC1735EGN#PBF Analog Devices Inc.

LTC1735EGN#PBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

1,607
RFQ
LTC1735EGN#PBF Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC1709EG-8#PBF Analog Devices Inc.

LTC1709EG-8#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

4,829
RFQ
LTC1709EG-8#PBF Datasheet

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 140kHz ~ 320kHz 99.5% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC3897HUHG-2#PBF Analog Devices Inc.

LTC3897HUHG-2#PBF

PP SYNC BOOST CNTR W/ IN/ OUT P

Analog Devices Inc.

1,674
RFQ
LTC3897HUHG-2#PBF Datasheet

Datasheet

PolyPhase® 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 65V 75kHz ~ 850kHz - Yes Yes - Current Limit, Frequency Control, Overcurrent, Ramping -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC1922IN-1#PBF Analog Devices Inc.

LTC1922IN-1#PBF

IC REG CTRLR FULL-BRIDGE 20DIP

Analog Devices Inc.

3,582
RFQ
LTC1922IN-1#PBF Datasheet

Datasheet

- 20-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge 1 1 3.8V ~ 10.3V Up to 1MHz 99% Yes Yes - Ramp, Soft Start -40°C ~ 85°C (TA) - - Through Hole 20-PDIP
LTC3728LEGN-1#PBF Analog Devices Inc.

LTC3728LEGN-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,994
RFQ
LTC3728LEGN-1#PBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1628CUH#PBF Analog Devices Inc.

LTC1628CUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

4,429
RFQ
LTC1628CUH#PBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3731CG#PBF Analog Devices Inc.

LTC3731CG#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

4,222
RFQ
LTC3731CG#PBF Datasheet

Datasheet

PolyPhase® 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 3 3 3.8V ~ 7V 225kHz ~ 680kHz 98.5% Yes No - Enable, Phase Control, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 36-SSOP
LTC3859AIFE#PBF Analog Devices Inc.

LTC3859AIFE#PBF

IC REG CTRLR MULT TOP 38TSSOP

Analog Devices Inc.

4,483
RFQ
LTC3859AIFE#PBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 38V 115kHz ~ 835kHz, 350kHz ~ 535kHz 99%, 100% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC1539IGW#PBF Analog Devices Inc.

LTC1539IGW#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

1,836
RFQ
LTC1539IGW#PBF Datasheet

Datasheet

- 36-BSOP (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC1143LCS-ADJ#PBF Analog Devices Inc.

LTC1143LCS-ADJ#PBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

2,686
RFQ
LTC1143LCS-ADJ#PBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost 2 1 3.5V ~ 16V Up to 400kHz 100% No No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SO
LTC3728LIGN#PBF Analog Devices Inc.

LTC3728LIGN#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,081
RFQ
LTC3728LIGN#PBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 28V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
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DC DC Switching Controllers 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 DC DC Switching Controllers 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 DC DC Switching Controllers 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.

DC DC Switching Controllers FAQ

Can FPGAX source both active and end-of-life DC DC Switching Controllers 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 DC DC Switching Controllers 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.