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
LT3782AIUFD#TRPBF Analog Devices Inc.

LT3782AIUFD#TRPBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

2,547
RFQ
LT3782AIUFD#TRPBF Datasheet

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 6V ~ 40V 154kHz ~ 465kHz 94% Yes Yes - Enable, Frequency Control, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-QFN (4x5)
LTC3775EUD#TRPBF Analog Devices Inc.

LTC3775EUD#TRPBF

IC REG CTRLR BUCK 16QFN

Analog Devices Inc.

4,619
RFQ
LTC3775EUD#TRPBF Datasheet

Datasheet

PolyPhase® 16-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 250kHz ~ 1MHz 90% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (3x3)
LTC3728LIGN-1#TRPBF Analog Devices Inc.

LTC3728LIGN-1#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

2,455
RFQ
LTC3728LIGN-1#TRPBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 35V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3805MPMSE#TRPBF Analog Devices Inc.

LTC3805MPMSE#TRPBF

IC REG CTRLR FLYBACK 10MSOP

Analog Devices Inc.

1,418
RFQ
LTC3805MPMSE#TRPBF Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 3.95V ~ 9.5V 70kHz ~ 700kHz 80% No Yes - Enable, Soft Start -55°C ~ 150°C (TJ) - - Surface Mount 10-MSOP-EP
LTC3805MPMSE-5#TRPBF Analog Devices Inc.

LTC3805MPMSE-5#TRPBF

IC REG CTRLR MULT TOP 10MSOP

Analog Devices Inc.

2,724
RFQ
LTC3805MPMSE-5#TRPBF Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, SEPIC 1 1 3.95V ~ 9.5V 70kHz ~ 700kHz 80% No Yes - Enable, Soft Start -55°C ~ 150°C (TJ) - - Surface Mount 10-MSOP-EP
LTC3829IFE#WTRPBF Analog Devices Inc.

LTC3829IFE#WTRPBF

3-PHASE, 1X OUT SYNC BUCK DC/DC

Analog Devices Inc.

4,368
RFQ
LTC3829IFE#WTRPBF Datasheet

Datasheet

PolyPhase® 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 38V 250kHz ~ 770kHz 94% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
MAX1655EEE+T Analog Devices Inc./Maxim Integrated

MAX1655EEE+T

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

4,668
RFQ
MAX1655EEE+T Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 30V 150kHz, 300kHz 98% Yes Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
UC3879DWG4 Texas Instruments

UC3879DWG4

IC REG CTRLR HALF-BRIDGE 20SOIC

Texas Instruments

1,238
RFQ
UC3879DWG4 Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Discontinued at Digi-Key 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
LTC1628CUH#TRPBF Analog Devices Inc.

LTC1628CUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

3,185
RFQ
LTC1628CUH#TRPBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) 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)
UC2827DW-2 Texas Instruments

UC2827DW-2

IC REG CTRLR MULT TOP 24SOIC

Texas Instruments

3,214
RFQ
UC2827DW-2 Datasheet

Datasheet

- 24-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Push-Pull 3 1 7.6V ~ 20V 220kHz 91% Yes Yes - Frequency Control, Ramp, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SOIC
MCP19118T-E/MJVAO Microchip Technology

MCP19118T-E/MJVAO

40V POINT OF LOAD CONVERTER

Microchip Technology

1,513
RFQ
MCP19118T-E/MJVAO Datasheet

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 40V 100kHz ~ 1.6MHz - Yes No I2C, PMBus, SMBus Phase Control -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 24-QFN (4x4)
LT3741IFE#TRPBF Analog Devices Inc.

LT3741IFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

4,923
RFQ
LT3741IFE#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
LTC3883EUH#TRPBF Analog Devices Inc.

LTC3883EUH#TRPBF

IC REG CTRLR BUCK PMBUS 32QFN

Analog Devices Inc.

3,077
RFQ
LTC3883EUH#TRPBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 105°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3883EUH-1#TRPBF Analog Devices Inc.

LTC3883EUH-1#TRPBF

IC REG CTRLR BUCK PMBUS 32QFN

Analog Devices Inc.

3,617
RFQ
LTC3883EUH-1#TRPBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 105°C (TA) - - Surface Mount 32-QFN (5x5)
LT3741IFE-1#TRPBF Analog Devices Inc.

LT3741IFE-1#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

3,856
RFQ
LT3741IFE-1#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
LTC7813EUH#TRPBF Analog Devices Inc.

LTC7813EUH#TRPBF

IC REG CTRLR BUCK/BOOST

Analog Devices Inc.

3,430
RFQ
LTC7813EUH#TRPBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 2 1 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 96%, 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LT8390AIFE#TRPBF Analog Devices Inc.

LT8390AIFE#TRPBF

IC REG CTRLR BUCK-BOOST 28

Analog Devices Inc.

4,582
RFQ
LT8390AIFE#TRPBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4V ~ 60V 645kHz ~ 2.1MHz 95% Yes Yes - Current Limit, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3716EG#TRPBF Analog Devices Inc.

LTC3716EG#TRPBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

3,620
RFQ
LTC3716EG#TRPBF Datasheet

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 140kHz ~ 310kHz 99.5% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC3731CG#TRPBF Analog Devices Inc.

LTC3731CG#TRPBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

3,355
RFQ
LTC3731CG#TRPBF Datasheet

Datasheet

PolyPhase® 36-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) 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
LTC3728LEUH#TRPBF Analog Devices Inc.

LTC3728LEUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

4,914
RFQ
LTC3728LEUH#TRPBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) 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 32-QFN (5x5)
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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.