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
UC3879DW Texas Instruments

UC3879DW

IC REG CTRLR HALF-BRIDGE 20SOIC

Texas Instruments

231
RFQ
UC3879DW Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive Half-Bridge 4 1 9V ~ 20V Up to 300kHz 50% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
LT3840IUFE#PBF Analog Devices Inc.

LT3840IUFE#PBF

IC REG CTRLR BUCK 38QFN

Analog Devices Inc.

461
RFQ
LT3840IUFE#PBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (4x6)
MAX15301AA02+CJK Analog Devices Inc./Maxim Integrated

MAX15301AA02+CJK

IC REG CTRLR BUCK PMBUS 32TQFN

Analog Devices Inc./Maxim Integrated

1,049
RFQ
MAX15301AA02+CJK Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 14V 300kHz ~ 1MHz 95% Yes Yes PMBus Current Limit, Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 32-TQFN (5x5)
LT3741EUF#TRPBF Analog Devices Inc.

LT3741EUF#TRPBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

1,863
RFQ
LT3741EUF#TRPBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (4x4)
LTC3773EUHF#PBF Analog Devices Inc.

LTC3773EUHF#PBF

IC REG CTRLR BUCK 38QFN

Analog Devices Inc.

1,017
RFQ
LTC3773EUHF#PBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 3 3 3.3V ~ 36V 220kHz ~ 560kHz 98.5% Yes No - Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 38-QFN (5x7)
LTC3857EUH#TRPBF Analog Devices Inc.

LTC3857EUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

2,381
RFQ
LTC3857EUH#TRPBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 38V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
MAX775ESA+ Analog Devices Inc./Maxim Integrated

MAX775ESA+

IC REG CTRLR BUCK-BOOST 8SOIC

Analog Devices Inc./Maxim Integrated

2,749
RFQ
MAX775ESA+ Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
LT3741EFE#TRPBF Analog Devices Inc.

LT3741EFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

2,467
RFQ
LT3741EFE#TRPBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LT3741EFE#PBF Analog Devices Inc.

LT3741EFE#PBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

517
RFQ
LT3741EFE#PBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LT3741EFE-1#PBF Analog Devices Inc.

LT3741EFE-1#PBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

488
RFQ
LT3741EFE-1#PBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 6V ~ 36V 200kHz ~ 1MHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LT3845AIFE#PBF Analog Devices Inc.

LT3845AIFE#PBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

2,733
RFQ
LT3845AIFE#PBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC3891IFE#TRPBF Analog Devices Inc.

LTC3891IFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

3,494
RFQ
LTC3891IFE#TRPBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LTC7801EUFD#TRPBF Analog Devices Inc.

LTC7801EUFD#TRPBF

IC REG CTRLR SYNC BUCK 24QFN

Analog Devices Inc.

4,813
RFQ
LTC7801EUFD#TRPBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (4x5)
LT3845IFE#PBF Analog Devices Inc.

LT3845IFE#PBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

760
RFQ
LT3845IFE#PBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC3736EUF#PBF Analog Devices Inc.

LTC3736EUF#PBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

744
RFQ
LTC3736EUF#PBF Datasheet

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes Yes - Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
LTC3859EUHF#TRPBF Analog Devices Inc.

LTC3859EUHF#TRPBF

IC REG CTRLR MULT TOPOLOGY 38QFN

Analog Devices Inc.

2,596
RFQ
LTC3859EUHF#TRPBF Datasheet

Datasheet

- 38-WFQFN Exposed Pad Tape & Reel (TR) 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-QFN (5x7)
LTC7801EFE#TRPBF Analog Devices Inc.

LTC7801EFE#TRPBF

IC REG CTRLR SYNC BUCK 24TSSOP

Analog Devices Inc.

2,715
RFQ
LTC7801EFE#TRPBF Datasheet

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
LT3800IFE#PBF Analog Devices Inc.

LT3800IFE#PBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

1,435
RFQ
LT3800IFE#PBF Datasheet

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 60V 200kHz - Yes No - Enable -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC1624IS8#TRPBF Analog Devices Inc.

LTC1624IS8#TRPBF

IC REG CTRLR BCK/BST/SEPIC 8SOIC

Analog Devices Inc.

3,721
RFQ
LTC1624IS8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 3.5V ~ 36V 200kHz 95% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SO
LTC1624IS8#PBF Analog Devices Inc.

LTC1624IS8#PBF

IC REG CTRLR BCK/BST/SEPIC 8SOIC

Analog Devices Inc.

529
RFQ
LTC1624IS8#PBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 3.5V ~ 36V 200kHz 95% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SO
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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.