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
LTC3890IGN-1#PBF Analog Devices Inc.

LTC3890IGN-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,850
RFQ
LTC3890IGN-1#PBF Datasheet

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LT3782EFE#TRPBF Analog Devices Inc.

LT3782EFE#TRPBF

IC REG CTRLR BOOST 28TSSOP

Analog Devices Inc.

5,783
RFQ
LT3782EFE#TRPBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 6V ~ 40V 154kHz ~ 465kHz 94% Yes Yes - Enable, Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC1628CG-SYNC#PBF Analog Devices Inc.

LTC1628CG-SYNC#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

251
RFQ
LTC1628CG-SYNC#PBF Datasheet

Datasheet

- 16-SSOP (0.209", 5.30mm Width) 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 16-SSOP
LTC7821EUH#PBF Analog Devices Inc.

LTC7821EUH#PBF

IC REG CTRLR BUCK HYBRID 32QFN

Analog Devices Inc.

197
RFQ
LTC7821EUH#PBF Datasheet

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 2 10V ~ 72V 200kHz ~ 1.5MHz 40% No No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LT3791IFE-1#TRPBF Analog Devices Inc.

LT3791IFE-1#TRPBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

4,620
RFQ
LT3791IFE-1#TRPBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3791IFE-1#PBF Analog Devices Inc.

LT3791IFE-1#PBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

276
RFQ
LT3791IFE-1#PBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC1735IF#PBF Analog Devices Inc.

LTC1735IF#PBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

3,178
RFQ
LTC1735IF#PBF Datasheet

Datasheet

- 20-TSSOP (0.173", 4.40mm 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 20-TSSOP
LTC1702ACGN#PBF Analog Devices Inc.

LTC1702ACGN#PBF

IC REG CTRLR BUCK 24SSOP

Analog Devices Inc.

4,007
RFQ
LTC1702ACGN#PBF Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 7V 550kHz 90% Yes No - Current Limit, Enable, Power Good, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 24-SSOP
MAX1637EEE+ Analog Devices Inc./Maxim Integrated

MAX1637EEE+

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

2,503
RFQ
MAX1637EEE+ Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Last Time Buy Transistor Driver Step-Down Positive Buck 1 1 3.15V ~ 5.5V 200kHz ~ 300kHz 96% Yes Yes - Enable -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
LT8392HFE#PBF Analog Devices Inc.

LT8392HFE#PBF

60V SYNC 4-SWITCH BUCK-BOOST LED

Analog Devices Inc.

2,531
RFQ
LT8392HFE#PBF Datasheet

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 3V ~ 60V 400kHz - Yes Yes - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3871ELXE#PBF Analog Devices Inc.

LTC3871ELXE#PBF

IC REG CTRLR BCK/BST SYN 48LQFP

Analog Devices Inc.

249
RFQ
LTC3871ELXE#PBF Datasheet

Datasheet

PolyPhase® 48-LQFP Exposed Pad Tray Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 2 Programmable 1.2V ~ 100V 60kHz ~ 460kHz 98% Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 48-eLQFP (7x7)
LTC3880EUJ#PBF Analog Devices Inc.

LTC3880EUJ#PBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

8,857
RFQ
LTC3880EUJ#PBF Datasheet

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control -40°C ~ 105°C (TA) - - Surface Mount 40-QFN (6x6)
LTC3882EUJ-1#PBF Analog Devices Inc.

LTC3882EUJ-1#PBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

182
RFQ
LTC3882EUJ-1#PBF Datasheet

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 13.8V 500kHz 87.5% No Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LM5140QRWGTQ1 Texas Instruments

LM5140QRWGTQ1

IC REG CTRLR BUCK 40VQFN

Texas Instruments

921
RFQ
LM5140QRWGTQ1 Datasheet

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.8V ~ 65V 440kHz, 2.2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 150°C (TJ) Automotive AEC-Q100 Surface Mount, Wettable Flank 40-VQFNP (6x6)
LTC3887EUJ#TRPBF Analog Devices Inc.

LTC3887EUJ#TRPBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

1,974
RFQ
LTC3887EUJ#TRPBF Datasheet

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V 250kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LTC3887EUJ-1#PBF Analog Devices Inc.

LTC3887EUJ-1#PBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

3,078
RFQ
LTC3887EUJ-1#PBF Datasheet

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V 250kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LT3791HFE-1#PBF Analog Devices Inc.

LT3791HFE-1#PBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

408
RFQ
LT3791HFE-1#PBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 4.7V ~ 60V 200kHz ~ 700kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC3897EUHF#PBF Analog Devices Inc.

LTC3897EUHF#PBF

IC REG CTRLR BUCK BOOST 38QFN

Analog Devices Inc.

130
RFQ
LTC3897EUHF#PBF Datasheet

Datasheet

- 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 ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3731IUH#PBF Analog Devices Inc.

LTC3731IUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

4,250
RFQ
LTC3731IUH#PBF Datasheet

Datasheet

PolyPhase® 32-WFQFN Exposed Pad 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 -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LT1681ISW#PBF Analog Devices Inc.

LT1681ISW#PBF

IC SYNCHRONOUS FWRD CTRLR 20SOIC

Analog Devices Inc.

293
RFQ
LT1681ISW#PBF Datasheet

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Active - - - - - - - - - - - - - -40°C ~ 85°C - - Surface Mount 20-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.